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7.4L MPI Petrol Engine Parts

A serial number between the range of 0L010003 - 0M024330

Manufactured between the years of 1998 - 2000

Service Items

  • 18-7824-2 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Filter - Replacement
    18-7824-2
    Oil Filter - Replacement
    List Price
    £12.25 Ex VAT
    £14.70 Inc VAT
    Keypart Price
    £8.57 Ex VAT
    £10.28 Inc VAT
    In Stock

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  • 18-7824C-1 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Filter - Chrome - Replacement
    18-7824C-1
    Oil Filter - Chrome - Replacement
    List Price
    £17.00 Ex VAT
    £20.40 Inc VAT
    Keypart Price
    £13.60 Ex VAT
    £16.32 Inc VAT
    In Stock

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  • 35-866340Q03 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Filter - Genuine
    35-866340Q03
    Oil Filter - Genuine
    List Price
    £12.25 Ex VAT
    £14.70 Inc VAT
    Keypart Price
    £11.03 Ex VAT
    £13.24 Inc VAT
    In Stock

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  • 18-25002 - Mercruiser 7.4L MPI Petrol Engine Parts Rocker Cover Gasket (2 required per engine)
    18-25002
    Rocker Cover Gasket (2 required per engine)
    List Price
    £88.10 Ex VAT
    £105.72 Inc VAT
    Keypart Price
    £70.48 Ex VAT
    £84.58 Inc VAT
    Please Contact for Stock Status

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  • 18-3887 - Mercruiser 7.4L MPI Petrol Engine Parts Cylinder Head Gasket (2 required per engine)
    18-3887
    Cylinder Head Gasket (2 required per engine)
    List Price
    £136.44 Ex VAT
    £163.73 Inc VAT
    Keypart Price
    £81.86 Ex VAT
    £98.23 Inc VAT
    In Stock

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Lubricants

Engine oil capacity is approximately 6.6 Litres

  • 18-9400-4 - Mercruiser 7.4L MPI Petrol Engine Parts 25W/40 Engine Oil 4.7 Litre (Not available to customers outside the UK)
    18-9400-4
    25W/40 Engine Oil 4.7 Litre (Not available to customers outside the UK)
    List Price
    £33.32 Ex VAT
    £39.98 Inc VAT
    Keypart Price
    £24.99 Ex VAT
    £29.99 Inc VAT
    In Stock

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  • 18-9440-4 - Mercruiser 7.4L MPI Petrol Engine Parts 25W/40 Synthetic Blend Engine Oil 4.7 litre (Not available to customers outside the UK)
    18-9440-4
    25W/40 Synthetic Blend Engine Oil 4.7 litre (Not available to customers outside the UK)
    List Price
    £37.69 Ex VAT
    £45.23 Inc VAT
    Keypart Price
    £28.27 Ex VAT
    £33.92 Inc VAT
    Low Stock

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  • 18-9750-0 - Mercruiser 7.4L MPI Petrol Engine Parts Power Trim & Tilt Fluid - 10oz/283.5g
    18-9750-0
    Power Trim & Tilt Fluid - 10oz/283.5g
    List Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    Keypart Price
    £7.20 Ex VAT
    £8.64 Inc VAT
    In Stock

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  • 33799-0000 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    List Price
    £65.23 Ex VAT
    £78.28 Inc VAT
    Keypart Price
    £58.71 Ex VAT
    £70.45 Inc VAT
    In Stock

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Cooling System

  • 18-3648 - Mercruiser 7.4L MPI Petrol Engine Parts Thermostat Kit 160 deg
    18-3648
    Thermostat Kit 160 deg
    List Price
    £44.49 Ex VAT
    £53.39 Inc VAT
    Keypart Price
    £33.37 Ex VAT
    £40.04 Inc VAT
    In Stock

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  • 23-806922 - Mercruiser 7.4L MPI Petrol Engine Parts Thermostat Sleeve
    23-806922
    Thermostat Sleeve
    List Price
    £16.64 Ex VAT
    £19.97 Inc VAT
    Keypart Price
    £13.31 Ex VAT
    £15.97 Inc VAT
    Low Stock

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  • 18-3574 - Mercruiser 7.4L MPI Petrol Engine Parts Circulation Pump for engines with Composite Timing Cover
    18-3574
    Circulation Pump for engines with Composite Timing Cover
    List Price
    £218.11 Ex VAT
    £261.73 Inc VAT
    Keypart Price
    £125.00 Ex VAT
    £150.00 Inc VAT
    Please Contact for Stock Status

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  • 18-4218 - Mercruiser 7.4L MPI Petrol Engine Parts Drain Tap Assembly
    18-4218
    Drain Tap Assembly
    Keypart Price
    £4.87 Ex VAT
    £5.84 Inc VAT
    In Stock

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  • 18-4226 - Mercruiser 7.4L MPI Petrol Engine Parts Drain Tap - Blue Plastic
    18-4226
    Drain Tap - Blue Plastic
    List Price
    £7.15 Ex VAT
    £8.58 Inc VAT
    Keypart Price
    £5.72 Ex VAT
    £6.86 Inc VAT
    In Stock

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  • 18-4224 - Mercruiser 7.4L MPI Petrol Engine Parts Drain Elbow Assy with Blue Plastic Tap
    18-4224
    Drain Elbow Assy with Blue Plastic Tap
    List Price
    £28.83 Ex VAT
    £34.60 Inc VAT
    Keypart Price
    £14.42 Ex VAT
    £17.30 Inc VAT
    In Stock

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  • Awaiting
    Image
    18-1957-2
    Exhaust Manifold (2 required per engine) - ** VALUE ITEM **
    List Price
    £740.97 Ex VAT
    £889.16 Inc VAT
    Keypart Price
    £195.00 Ex VAT
    £234.00 Inc VAT
    Please Contact for Stock Status

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  • 18-1976-2 - Mercruiser 7.4L MPI Petrol Engine Parts High Quality 4" OD Exhaust Riser Kit (including Gasket) 2 required per engine - Replacement
    18-1976-2
    High Quality 4" OD Exhaust Riser Kit (including Gasket) 2 required per engine - Replacement
    List Price
    £226.98 Ex VAT
    £272.38 Inc VAT
    Keypart Price
    £129.70 Ex VAT
    £155.64 Inc VAT
    In Stock

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  • 18-0418 - Mercruiser 7.4L MPI Petrol Engine Parts Exhaust Manifold to Head Gasket (2 required per engine)
    18-0418
    Exhaust Manifold to Head Gasket (2 required per engine)
    List Price
    £17.73 Ex VAT
    £21.28 Inc VAT
    Keypart Price
    £14.18 Ex VAT
    £17.02 Inc VAT
    In Stock

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  • 18-0897 - Mercruiser 7.4L MPI Petrol Engine Parts Exhaust Riser to Manifold Gasket (2 required per engine)
    18-0897
    Exhaust Riser to Manifold Gasket (2 required per engine)
    List Price
    £14.41 Ex VAT
    £17.29 Inc VAT
    Keypart Price
    £11.53 Ex VAT
    £13.84 Inc VAT
    In Stock

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  • 807166A1 - Mercruiser 7.4L MPI Petrol Engine Parts Exhaust Shutter - (2 required per engine)
    807166A1
    Exhaust Shutter - (2 required per engine)
    List Price
    £80.86 Ex VAT
    £97.03 Inc VAT
    Keypart Price
    £72.77 Ex VAT
    £87.32 Inc VAT
    In Stock

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  • 18-2748 - Mercruiser 7.4L MPI Petrol Engine Parts Upper Exhaust Riser to Downpipe Bellows 4" ID - (2 required per engine)
    18-2748
    Upper Exhaust Riser to Downpipe Bellows 4" ID - (2 required per engine)
    List Price
    £87.39 Ex VAT
    £104.87 Inc VAT
    Keypart Price
    £65.54 Ex VAT
    £78.65 Inc VAT
    In Stock

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  • 18-2746 - Mercruiser 7.4L MPI Petrol Engine Parts Lower Exhaust Riser to Downpipe Bellows 4" ID - (2 required per engine)
    18-2746
    Lower Exhaust Riser to Downpipe Bellows 4" ID - (2 required per engine)
    List Price
    £68.85 Ex VAT
    £82.62 Inc VAT
    Keypart Price
    £51.64 Ex VAT
    £61.97 Inc VAT
    In Stock

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  • 18-15114 - Mercruiser 7.4L MPI Petrol Engine Parts Serpentine Drive Belt - for 4-3/4" Plastic Power Steering Pulley
    18-15114
    Serpentine Drive Belt - for 4-3/4" Plastic Power Steering Pulley
    List Price
    £82.34 Ex VAT
    £98.81 Inc VAT
    Keypart Price
    £65.87 Ex VAT
    £79.04 Inc VAT
    In Stock

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  • 18-15102 - Mercruiser 7.4L MPI Petrol Engine Parts Serpentine Drive Belt - for 5-3/4" Metal Power Steering Pulley
    18-15102
    Serpentine Drive Belt - for 5-3/4" Metal Power Steering Pulley
    List Price
    £118.09 Ex VAT
    £141.71 Inc VAT
    Keypart Price
    £94.47 Ex VAT
    £113.36 Inc VAT
    In Stock

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  • 18-6457 - Mercruiser 7.4L MPI Petrol Engine Parts Idler Pulley for Serpentine Belt - 3" Diameter - with Grooves & Lip
    18-6457
    Idler Pulley for Serpentine Belt - 3" Diameter - with Grooves & Lip
    List Price
    £54.57 Ex VAT
    £65.48 Inc VAT
    Keypart Price
    £43.66 Ex VAT
    £52.39 Inc VAT
    In Stock

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Bravo Specification Components Note: Sea-water Pump mounted on the Engine and NOT in the Sterndrive

  • 18-3087 - Mercruiser 7.4L MPI Petrol Engine Parts Sea-water Pump Impeller
    18-3087
    Sea-water Pump Impeller
    List Price
    £26.34 Ex VAT
    £31.61 Inc VAT
    Keypart Price
    £21.07 Ex VAT
    £25.28 Inc VAT
    In Stock

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  • 18-3237 - Mercruiser 7.4L MPI Petrol Engine Parts Impeller Repair Kit for 1-piece Plastic Body
    18-3237
    Impeller Repair Kit for 1-piece Plastic Body
    List Price
    £66.56 Ex VAT
    £79.87 Inc VAT
    Keypart Price
    £53.25 Ex VAT
    £63.90 Inc VAT
    In Stock

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  • 18-2412-1 - Mercruiser 7.4L MPI Petrol Engine Parts Engine Coupler - Replacement (Engine Alignment will need to be checked when replacing this item)
    18-2412-1
    Engine Coupler - Replacement (Engine Alignment will need to be checked when replacing this item)
    List Price
    £446.37 Ex VAT
    £535.64 Inc VAT
    Keypart Price
    £357.10 Ex VAT
    £428.52 Inc VAT
    Low Stock

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  • 18-3150 - Mercruiser 7.4L MPI Petrol Engine Parts Sea-water Pump Repair Kit with Housing
    18-3150
    Sea-water Pump Repair Kit with Housing
    List Price
    £96.13 Ex VAT
    £115.36 Inc VAT
    Keypart Price
    £76.90 Ex VAT
    £92.28 Inc VAT
    In Stock

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Fuel System

  • 18-7944 - Mercruiser 7.4L MPI Petrol Engine Parts Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long
    18-7944
    Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long
    List Price
    £9.88 Ex VAT
    £11.86 Inc VAT
    Keypart Price
    £7.90 Ex VAT
    £9.48 Inc VAT
    In Stock

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  • 18-7945 - Mercruiser 7.4L MPI Petrol Engine Parts 10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long
    18-7945
    10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long
    List Price
    £9.88 Ex VAT
    £11.86 Inc VAT
    Keypart Price
    £7.90 Ex VAT
    £9.48 Inc VAT
    In Stock

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  • 18-7945C - Mercruiser 7.4L MPI Petrol Engine Parts 10-micron Fuel Filter - Chrome - Replacement
    18-7945C
    10-micron Fuel Filter - Chrome - Replacement
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    In Stock

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  • 35-802893Q01 - Mercruiser 7.4L MPI Petrol Engine Parts 25-Micron Fuel Filter - Spin On - Genuine
    35-802893Q01
    25-Micron Fuel Filter - Spin On - Genuine
    List Price
    £9.88 Ex VAT
    £11.86 Inc VAT
    Keypart Price
    £8.89 Ex VAT
    £10.67 Inc VAT
    In Stock

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  • 861126A1 - Mercruiser 7.4L MPI Petrol Engine Parts Fuel Pressure Regulator mounted on Fuel Cooler (Blue/Green mark)
    861126A1
    Fuel Pressure Regulator mounted on Fuel Cooler (Blue/Green mark)
    List Price
    £144.24 Ex VAT
    £173.09 Inc VAT
    Keypart Price
    £129.82 Ex VAT
    £155.78 Inc VAT
    In Stock

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  • 803149 - Mercruiser 7.4L MPI Petrol Engine Parts Idle Air Control Motor
    803149
    Idle Air Control Motor
    List Price
    £88.08 Ex VAT
    £105.70 Inc VAT
    Keypart Price
    £79.27 Ex VAT
    £95.12 Inc VAT
    Special Order Usually 7 - 9 Days

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  • 18-7550 - Mercruiser 7.4L MPI Petrol Engine Parts Map Sensor
    18-7550
    Map Sensor
    List Price
    £168.58 Ex VAT
    £202.30 Inc VAT
    Keypart Price
    £134.86 Ex VAT
    £161.83 Inc VAT
    In Stock

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  • 18-7700 - Mercruiser 7.4L MPI Petrol Engine Parts Throttle Position Sensor
    18-7700
    Throttle Position Sensor
    List Price
    £106.00 Ex VAT
    £127.20 Inc VAT
    Keypart Price
    £95.40 Ex VAT
    £114.48 Inc VAT
    In Stock

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  • 18-7702 - Mercruiser 7.4L MPI Petrol Engine Parts Sensor Assy (Mat)
    18-7702
    Sensor Assy (Mat)
    List Price
    £69.89 Ex VAT
    £83.87 Inc VAT
    Keypart Price
    £55.91 Ex VAT
    £67.09 Inc VAT
    Special Order Usually 7 - 9 Days

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  • 18-33104 - Mercruiser 7.4L MPI Petrol Engine Parts Fuel Injector - (8 per engine)
    18-33104
    Fuel Injector - (8 per engine)
    List Price
    £254.43 Ex VAT
    £305.32 Inc VAT
    Keypart Price
    £178.10 Ex VAT
    £213.72 Inc VAT
    Special Order Usually 14 - 16 Days

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  • 92-8M0079745 - Mercruiser 7.4L MPI Petrol Engine Parts Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    92-8M0079745
    Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £12.33 Ex VAT
    £14.80 Inc VAT
    Low Stock

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Optional Fuel System Components

For additional types of Fuel Filters & Elements, please visit the Racor & Separ sections of our Website. These can be found under the "Accessories" heading on our Home Page.

  • 18-7852-1 - Mercruiser 7.4L MPI Petrol Engine Parts Fuel Filter Kit with 1/4" Ports - Aluminium Head (Tall Filter) 21 micron - for Bulkhead Mounting
    18-7852-1
    Fuel Filter Kit with 1/4" Ports - Aluminium Head (Tall Filter) 21 micron - for Bulkhead Mounting
    List Price
    £40.00 Ex VAT
    £48.00 Inc VAT
    Keypart Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    In Stock

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  • 18-8074 - Mercruiser 7.4L MPI Petrol Engine Parts Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - Straight
    18-8074
    Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - Straight
    List Price
    £7.00 Ex VAT
    £8.40 Inc VAT
    Keypart Price
    £5.25 Ex VAT
    £6.30 Inc VAT
    Low Stock

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  • 18-8067 - Mercruiser 7.4L MPI Petrol Engine Parts Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - 90 Deg
    18-8067
    Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - 90 Deg
    List Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    Keypart Price
    £7.00 Ex VAT
    £8.40 Inc VAT
    In Stock

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  • 18-7944 - Mercruiser 7.4L MPI Petrol Engine Parts Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long - - for Bulkhead Mounting
    18-7944
    Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long - - for Bulkhead Mounting
    List Price
    £9.88 Ex VAT
    £11.86 Inc VAT
    Keypart Price
    £7.90 Ex VAT
    £9.48 Inc VAT
    In Stock

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  • 18-7945 - Mercruiser 7.4L MPI Petrol Engine Parts 10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long - - for Bulkhead Mounting
    18-7945
    10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long - - for Bulkhead Mounting
    List Price
    £9.88 Ex VAT
    £11.86 Inc VAT
    Keypart Price
    £7.90 Ex VAT
    £9.48 Inc VAT
    In Stock

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  • 18-7945C - Mercruiser 7.4L MPI Petrol Engine Parts 10-micron Fuel Filter - Chrome - Replacement - - for Bulkhead Mounting
    18-7945C
    10-micron Fuel Filter - Chrome - Replacement - - for Bulkhead Mounting
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    In Stock

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  • 35-802893Q01 - Mercruiser 7.4L MPI Petrol Engine Parts 25-Micron Fuel Filter - Spin On - Genuine - - for Bulkhead Mounting
    35-802893Q01
    25-Micron Fuel Filter - Spin On - Genuine - - for Bulkhead Mounting
    List Price
    £9.88 Ex VAT
    £11.86 Inc VAT
    Keypart Price
    £8.89 Ex VAT
    £10.67 Inc VAT
    In Stock

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Ignition System

  • BPR6EFS - Mercruiser 7.4L MPI Petrol Engine Parts Spark Plug - (8 required per engine)
    BPR6EFS
    Spark Plug - (8 required per engine)
    List Price
    £5.98 Ex VAT
    £7.18 Inc VAT
    Keypart Price
    £2.99 Ex VAT
    £3.59 Inc VAT
    Low Stock

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  • 18-5354 - Mercruiser 7.4L MPI Petrol Engine Parts Distributor Cap - EST Ignition
    18-5354
    Distributor Cap - EST Ignition
    List Price
    £19.70 Ex VAT
    £23.64 Inc VAT
    Keypart Price
    £17.73 Ex VAT
    £21.28 Inc VAT
    Low Stock

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  • 18-5405 - Mercruiser 7.4L MPI Petrol Engine Parts Rotor Arm - EST Ignition
    18-5405
    Rotor Arm - EST Ignition
    List Price
    £9.30 Ex VAT
    £11.16 Inc VAT
    Keypart Price
    £8.37 Ex VAT
    £10.04 Inc VAT
    In Stock

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  • 18-5108 - Mercruiser 7.4L MPI Petrol Engine Parts Distributor Pick-up Sensor - EST Ignition
    18-5108
    Distributor Pick-up Sensor - EST Ignition
    List Price
    £46.40 Ex VAT
    £55.68 Inc VAT
    Keypart Price
    £32.48 Ex VAT
    £38.98 Inc VAT
    Please Contact for Stock Status

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  • 18-5107-1 - Mercruiser 7.4L MPI Petrol Engine Parts Distributor Ignition Module - EST Ignition
    18-5107-1
    Distributor Ignition Module - EST Ignition
    List Price
    £134.00 Ex VAT
    £160.80 Inc VAT
    Keypart Price
    £85.00 Ex VAT
    £102.00 Inc VAT
    In Stock

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  • 18-5443 - Mercruiser 7.4L MPI Petrol Engine Parts Ignition Coil - EST Ignition
    18-5443
    Ignition Coil - EST Ignition
    List Price
    £88.90 Ex VAT
    £106.68 Inc VAT
    Keypart Price
    £66.68 Ex VAT
    £80.02 Inc VAT
    Low Stock

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  • 18-8832-1 - Mercruiser 7.4L MPI Petrol Engine Parts H T Lead Set
    18-8832-1
    H T Lead Set
    List Price
    £57.03 Ex VAT
    £68.44 Inc VAT
    Keypart Price
    £45.62 Ex VAT
    £54.74 Inc VAT
    In Stock

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  • 18-5514 - Mercruiser 7.4L MPI Petrol Engine Parts V8 EST Electronic Distributor Kit
    18-5514
    V8 EST Electronic Distributor Kit
    List Price
    £600.00 Ex VAT
    £720.00 Inc VAT
    Keypart Price
    £400.00 Ex VAT
    £480.00 Inc VAT
    In Stock

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  • 18-28175 - Mercruiser 7.4L MPI Petrol Engine Parts HT Lead Marker Set numbered 1 to 8
    18-28175
    HT Lead Marker Set numbered 1 to 8
    List Price
    £10.00 Ex VAT
    £12.00 Inc VAT
    Keypart Price
    £8.00 Ex VAT
    £9.60 Inc VAT
    In Stock

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  • 18-28150 - Mercruiser 7.4L MPI Petrol Engine Parts HT Lead Wire Separator Kit - Blue
    18-28150
    HT Lead Wire Separator Kit - Blue
    List Price
    £10.00 Ex VAT
    £12.00 Inc VAT
    Keypart Price
    £8.00 Ex VAT
    £9.60 Inc VAT
    In Stock

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  • 18-28151 - Mercruiser 7.4L MPI Petrol Engine Parts HT Lead Wire Separator Kit - Black
    18-28151
    HT Lead Wire Separator Kit - Black
    List Price
    £10.00 Ex VAT
    £12.00 Inc VAT
    Keypart Price
    £8.00 Ex VAT
    £9.60 Inc VAT
    In Stock

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Electrical System

  • 18-6275 - Mercruiser 7.4L MPI Petrol Engine Parts Starter Motor Assembly - ** VALUE ITEM **
    18-6275
    Starter Motor Assembly - ** VALUE ITEM **
    List Price
    £281.00 Ex VAT
    £337.20 Inc VAT
    Keypart Price
    £120.00 Ex VAT
    £144.00 Inc VAT
    Low Stock

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  • 18-5960 - Mercruiser 7.4L MPI Petrol Engine Parts Alternator 65A - Mando Serpentine Pulley
    18-5960
    Alternator 65A - Mando Serpentine Pulley
    List Price
    £322.26 Ex VAT
    £386.71 Inc VAT
    Keypart Price
    £205.00 Ex VAT
    £246.00 Inc VAT
    In Stock

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  • 18-5817 - Mercruiser 7.4L MPI Petrol Engine Parts Solenoid Kit - Curved Bracket - Replacement
    18-5817
    Solenoid Kit - Curved Bracket - Replacement
    List Price
    £32.54 Ex VAT
    £39.05 Inc VAT
    Keypart Price
    £22.78 Ex VAT
    £27.34 Inc VAT
    Low Stock

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  • 18-5897 - Mercruiser 7.4L MPI Petrol Engine Parts Temperature Sender 3/8"-18 - Spanner Size 11/16" - 1-1/2" Long
    18-5897
    Temperature Sender 3/8"-18 - Spanner Size 11/16" - 1-1/2" Long
    List Price
    £32.37 Ex VAT
    £38.84 Inc VAT
    Keypart Price
    £25.90 Ex VAT
    £31.08 Inc VAT
    In Stock

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  • 18-5899 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Pressure Sender
    18-5899
    Oil Pressure Sender
    List Price
    £53.38 Ex VAT
    £64.06 Inc VAT
    Keypart Price
    £42.47 Ex VAT
    £50.96 Inc VAT
    In Stock

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  • 3854164-R - Mercruiser 7.4L MPI Petrol Engine Parts 50amp Reset Fuse Unit
    3854164-R
    50amp Reset Fuse Unit
    List Price
    £107.00 Ex VAT
    £128.40 Inc VAT
    Keypart Price
    £74.90 Ex VAT
    £89.88 Inc VAT
    Low Stock

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  • 18-8220 - Mercruiser 7.4L MPI Petrol Engine Parts Fuse Kit - 90Amp
    18-8220
    Fuse Kit - 90Amp
    List Price
    £35.85 Ex VAT
    £43.02 Inc VAT
    Keypart Price
    £28.68 Ex VAT
    £34.42 Inc VAT
    In Stock

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  • 18-7600 - Mercruiser 7.4L MPI Petrol Engine Parts Temperature Switch
    18-7600
    Temperature Switch
    List Price
    £61.10 Ex VAT
    £73.32 Inc VAT
    Keypart Price
    £42.77 Ex VAT
    £51.32 Inc VAT
    In Stock

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  • 18-7703 - Mercruiser 7.4L MPI Petrol Engine Parts Knock Sensor
    18-7703
    Knock Sensor
    List Price
    £103.29 Ex VAT
    £123.95 Inc VAT
    Keypart Price
    £82.63 Ex VAT
    £99.16 Inc VAT
    In Stock

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  • 8M0092849 - Mercruiser 7.4L MPI Petrol Engine Parts Stop Switch Lanyard - Genuine
    8M0092849
    Stop Switch Lanyard - Genuine
    Keypart Price
    £13.42 Ex VAT
    £16.10 Inc VAT
    Low Stock

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  • 87-805605A1 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Pressure Switch for Alarm - Genuine
    87-805605A1
    Oil Pressure Switch for Alarm - Genuine
    List Price
    £31.26 Ex VAT
    £37.51 Inc VAT
    Keypart Price
    £28.13 Ex VAT
    £33.76 Inc VAT
    Low Stock

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  • 48952 - Mercruiser 7.4L MPI Petrol Engine Parts Temperature Switch for Alarm - Genuine
    48952
    Temperature Switch for Alarm - Genuine
    List Price
    £113.13 Ex VAT
    £135.76 Inc VAT
    Keypart Price
    £101.82 Ex VAT
    £122.18 Inc VAT
    In Stock

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Repair Items

  • 18-1232 - Mercruiser 7.4L MPI Petrol Engine Parts Sump Gasket
    18-1232
    Sump Gasket
    List Price
    £57.06 Ex VAT
    £68.47 Inc VAT
    Keypart Price
    £51.35 Ex VAT
    £61.62 Inc VAT
    Special Order Usually 7 - 9 Days

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  • 18-7508 - Mercruiser 7.4L MPI Petrol Engine Parts Power Steering Pump Assembly (NO Pulley) - Replacement
    18-7508
    Power Steering Pump Assembly (NO Pulley) - Replacement
    List Price
    £601.27 Ex VAT
    £721.52 Inc VAT
    Keypart Price
    £450.00 Ex VAT
    £540.00 Inc VAT
    In Stock

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Chemicals

Please note: It is NOT possible to ship most liquids by air. Aerosols can ONLY be purchased by customers in England, Scotland and Wales.

  • 92-8M0121969 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Quicksilver Powertune 12oz (340g) (Shipping restrictions apply - see above)
    92-8M0121969
    *AEROSOL* Quicksilver Powertune 12oz (340g) (Shipping restrictions apply - see above)
    Keypart Price
    £14.50 Ex VAT
    £17.40 Inc VAT
    Low Stock

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  • 18-9550-0 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Fogging Oil Aerosol 12 oz (for use when laying up) (Shipping restrictions apply - see above)
    18-9550-0
    *AEROSOL* Fogging Oil Aerosol 12 oz (for use when laying up) (Shipping restrictions apply - see above)
    List Price
    £16.70 Ex VAT
    £20.04 Inc VAT
    Keypart Price
    £10.02 Ex VAT
    £12.02 Inc VAT
    In Stock

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  • 20.052 - Mercruiser 7.4L MPI Petrol Engine Parts Black Touch-up Paint 10ml (Shipping restrictions may apply)
    20.052
    Black Touch-up Paint 10ml (Shipping restrictions may apply)
    List Price
    £7.30 Ex VAT
    £8.76 Inc VAT
    Keypart Price
    £3.65 Ex VAT
    £4.38 Inc VAT
    In Stock

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  • 40.052 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Black Aerosol Spray 400ml (Shipping restrictions apply - see above)
    40.052
    *AEROSOL* Black Aerosol Spray 400ml (Shipping restrictions apply - see above)
    List Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    Keypart Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    In Stock

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  • LOCTITE-243-10ML - Mercruiser 7.4L MPI Petrol Engine Parts Loctite Threadlock 10ml
    LOCTITE-243-10ML
    Loctite Threadlock 10ml
    List Price
    £16.00 Ex VAT
    £19.20 Inc VAT
    Keypart Price
    £13.00 Ex VAT
    £15.60 Inc VAT
    In Stock

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  • LOCTITE-243-50ML - Mercruiser 7.4L MPI Petrol Engine Parts Loctite Threadlock 50ml
    LOCTITE-243-50ML
    Loctite Threadlock 50ml
    List Price
    £45.00 Ex VAT
    £54.00 Inc VAT
    Keypart Price
    £40.00 Ex VAT
    £48.00 Inc VAT
    Please Contact for Stock Status

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  • ACT1822 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* RP-90 Rapid Penetrating & Release Fluid 500ml (shipping restrictions apply - see above)
    ACT1822
    *AEROSOL* RP-90 Rapid Penetrating & Release Fluid 500ml (shipping restrictions apply - see above)
    Keypart Price
    £5.47 Ex VAT
    £6.56 Inc VAT
    In Stock

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  • ACT1847 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* SA-90 Industrial Strength Adhesive 500ml (Shipping restrictions apply - see above)
    ACT1847
    *AEROSOL* SA-90 Industrial Strength Adhesive 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £11.64 Ex VAT
    £13.97 Inc VAT
    In Stock

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  • ACT1558 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Amaze Dash Plastic & Rubber Cleaner 500ml (Shipping restrictions apply - see above)
    ACT1558
    *AEROSOL* Amaze Dash Plastic & Rubber Cleaner 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £5.33 Ex VAT
    £6.40 Inc VAT
    In Stock

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  • ACT1839 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* AC-90 Moisture Displacement & Lubricant 500ml (Shipping restrictions apply - see above)
    ACT1839
    *AEROSOL* AC-90 Moisture Displacement & Lubricant 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £6.83 Ex VAT
    £8.20 Inc VAT
    In Stock

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  • ACT1947 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Supertrol 001 Heavy Duty Corrosion Protector 500ml - Ideal for corrosion protection of steel components in storage or in transit.
    ACT1947
    *AEROSOL* Supertrol 001 Heavy Duty Corrosion Protector 500ml - Ideal for corrosion protection of steel components in storage or in transit.
    Keypart Price
    £8.72 Ex VAT
    £10.46 Inc VAT
    Low Stock

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  • 92-8M0079745 - Mercruiser 7.4L MPI Petrol Engine Parts Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    92-8M0079745
    Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £12.33 Ex VAT
    £14.80 Inc VAT
    Low Stock

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  • ACT1848 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* TF-90 Fast Dry Cleaning Solvent & Degreaser 500ml (Shipping restrictions apply - see above)
    ACT1848
    *AEROSOL* TF-90 Fast Dry Cleaning Solvent & Degreaser 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £8.53 Ex VAT
    £10.24 Inc VAT
    In Stock

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  • 92-8M0121972 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Fogging Oil Spray (12oz) 340gm - Genuine (for use when laying up) (Shipping restrictions apply - see above)
    92-8M0121972
    *AEROSOL* Fogging Oil Spray (12oz) 340gm - Genuine (for use when laying up) (Shipping restrictions apply - see above)
    List Price
    £16.70 Ex VAT
    £20.04 Inc VAT
    Keypart Price
    £15.03 Ex VAT
    £18.04 Inc VAT
    In Stock

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  • ACT1851 - Mercruiser 7.4L MPI Petrol Engine Parts *AEROSOL* Multi-Purpose Oil with Anti-rust 415ml - A must for Boats (Shipping restrictions apply - see above)
    ACT1851
    *AEROSOL* Multi-Purpose Oil with Anti-rust 415ml - A must for Boats (Shipping restrictions apply - see above)
    Keypart Price
    £5.61 Ex VAT
    £6.73 Inc VAT
    Please Contact for Stock Status

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Tools & Manuals

  • 18-03206 - Mercruiser 7.4L MPI Petrol Engine Parts Engine & Sterndrive Workshop Manual 1992-2001
    18-03206
    Engine & Sterndrive Workshop Manual 1992-2001
    List Price
    £40.00 Ex VAT
    £40.00 Inc VAT
    Keypart Price
    £35.00 Ex VAT
    £35.00 Inc VAT
    In Stock

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  • 33799-0000 - Mercruiser 7.4L MPI Petrol Engine Parts Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    List Price
    £65.23 Ex VAT
    £78.28 Inc VAT
    Keypart Price
    £58.71 Ex VAT
    £70.45 Inc VAT
    In Stock

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  • 18-8999 - Mercruiser 7.4L MPI Petrol Engine Parts Motor Flusher - Dual Feed - Rectangular Cups
    18-8999
    Motor Flusher - Dual Feed - Rectangular Cups
    List Price
    £22.00 Ex VAT
    £26.40 Inc VAT
    Keypart Price
    £17.60 Ex VAT
    £21.12 Inc VAT
    Low Stock

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Accessories

  • MP40970-1 - Mercruiser 7.4L MPI Petrol Engine Parts Safety Switch - Sierra Marine Works - Coiled Lanyard
    MP40970-1
    Safety Switch - Sierra Marine Works - Coiled Lanyard
    List Price
    £32.00 Ex VAT
    £38.40 Inc VAT
    Keypart Price
    £24.00 Ex VAT
    £28.80 Inc VAT
    Low Stock

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  • UN77310 - Mercruiser 7.4L MPI Petrol Engine Parts Battery Master Switch - Sierra Marine Works - 12V/100A Continuous (12V/500A for 10 seconds)
    UN77310
    Battery Master Switch - Sierra Marine Works - 12V/100A Continuous (12V/500A for 10 seconds)
    List Price
    £21.00 Ex VAT
    £25.20 Inc VAT
    Keypart Price
    £15.75 Ex VAT
    £18.90 Inc VAT
    In Stock

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7.4L MPI Petrol Engine Parts