Shopping Basket
0 Items

350 MAG MPI Petrol Engine Parts

A serial number between the range of 0L010019 - 0L331598

Manufactured between the years of 1998 - 1998

Service Items

  • 18-7824-2 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Filter - Replacement
    18-7824-2
    Oil Filter - Replacement
    List Price
    £12.74 Ex VAT
    £15.29 Inc VAT
    Keypart Price
    £8.92 Ex VAT
    £10.70 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-7824C-1 - Mercruiser 350 MAG 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

    Add to Basket (0)
  • 35-866340Q03 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Filter - Genuine
    35-866340Q03
    Oil Filter - Genuine
    List Price
    £12.74 Ex VAT
    £15.29 Inc VAT
    Keypart Price
    £11.47 Ex VAT
    £13.76 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-0664 - Mercruiser 350 MAG MPI Petrol Engine Parts Rocker Cover Gasket (2 Required per Engine)
    18-0664
    Rocker Cover Gasket (2 Required per Engine)
    List Price
    £52.58 Ex VAT
    £63.10 Inc VAT
    Keypart Price
    £26.29 Ex VAT
    £31.55 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-3876 - Mercruiser 350 MAG MPI Petrol Engine Parts Cylinder Head Gasket (2 required per engine)
    18-3876
    Cylinder Head Gasket (2 required per engine)
    List Price
    £41.57 Ex VAT
    £49.88 Inc VAT
    Keypart Price
    £31.18 Ex VAT
    £37.42 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-0488 - Mercruiser 350 MAG MPI Petrol Engine Parts Intake Manifold Gasket Kit
    18-0488
    Intake Manifold Gasket Kit
    List Price
    £46.75 Ex VAT
    £56.10 Inc VAT
    Keypart Price
    £37.40 Ex VAT
    £44.88 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)

Lubricants

Engine oil capacity is approximately 5.4 Litres

  • 18-9750-0 - Mercruiser 350 MAG 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

    Add to Basket (0)
  • 33799-0000 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £63.00 Ex VAT
    £75.60 Inc VAT
    In Stock

    Add to Basket (0)

Exhaust Manifold Kits

  • KP-Manifold-Set-4 - Mercruiser 350 MAG MPI Petrol Engine Parts Manifold & Riser Kit with 4" outlet Risers - Engine Set - Replacement
    KP-Manifold-Set-4
    Manifold & Riser Kit with 4" outlet Risers - Engine Set - Replacement
    List Price
    £600.00 Ex VAT
    £720.00 Inc VAT
    Keypart Price
    £475.00 Ex VAT
    £570.00 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-1908K - Mercruiser 350 MAG MPI Petrol Engine Parts 3" Spacer Kit for Centre Rise Manifold
    18-1908K
    3" Spacer Kit for Centre Rise Manifold
    Keypart Price
    £286.87 Ex VAT
    £344.24 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 93322A12 - Mercruiser 350 MAG MPI Petrol Engine Parts 6" Spacer Kit for Centre Rise Manifold
    93322A12
    6" Spacer Kit for Centre Rise Manifold
    List Price
    £573.04 Ex VAT
    £687.65 Inc VAT
    Keypart Price
    £350.00 Ex VAT
    £420.00 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)

Cooling System

  • 18-3648 - Mercruiser 350 MAG MPI Petrol Engine Parts Thermostat Kit 160 deg
    18-3648
    Thermostat Kit 160 deg
    List Price
    £46.27 Ex VAT
    £55.52 Inc VAT
    Keypart Price
    £34.70 Ex VAT
    £41.64 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 23-806922 - Mercruiser 350 MAG MPI Petrol Engine Parts Thermostat Sleeve
    23-806922
    Thermostat Sleeve
    List Price
    £17.31 Ex VAT
    £20.77 Inc VAT
    Keypart Price
    £13.85 Ex VAT
    £16.62 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-3599-1 - Mercruiser 350 MAG MPI Petrol Engine Parts Circulation Pump Assembly - ** VALUE ITEM **
    18-3599-1
    Circulation Pump Assembly - ** VALUE ITEM **
    List Price
    £136.00 Ex VAT
    £163.20 Inc VAT
    Keypart Price
    £80.00 Ex VAT
    £96.00 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-4226 - Mercruiser 350 MAG MPI Petrol Engine Parts Drain Tap - Blue Plastic
    18-4226
    Drain Tap - Blue Plastic
    List Price
    £7.44 Ex VAT
    £8.93 Inc VAT
    Keypart Price
    £5.95 Ex VAT
    £7.14 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-4224 - Mercruiser 350 MAG MPI Petrol Engine Parts Drain Elbow Assy with Blue Plastic Tap
    18-4224
    Drain Elbow Assy with Blue Plastic Tap
    List Price
    £29.98 Ex VAT
    £35.98 Inc VAT
    Keypart Price
    £14.99 Ex VAT
    £17.99 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-1953-2 - Mercruiser 350 MAG MPI Petrol Engine Parts High Quality Exhaust Manifold Kit (including Gaskets) 2 required per engine - Replacement
    18-1953-2
    High Quality Exhaust Manifold Kit (including Gaskets) 2 required per engine - Replacement
    List Price
    £501.08 Ex VAT
    £601.30 Inc VAT
    Keypart Price
    £170.00 Ex VAT
    £204.00 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-1976-2 - Mercruiser 350 MAG 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
    £236.06 Ex VAT
    £283.27 Inc VAT
    Keypart Price
    £129.70 Ex VAT
    £155.64 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-1908K - Mercruiser 350 MAG MPI Petrol Engine Parts 3" Spacer Kit for Centre Rise Manifold
    18-1908K
    3" Spacer Kit for Centre Rise Manifold
    Keypart Price
    £286.87 Ex VAT
    £344.24 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 93322A12 - Mercruiser 350 MAG MPI Petrol Engine Parts 6" Spacer Kit for Centre Rise Manifold
    93322A12
    6" Spacer Kit for Centre Rise Manifold
    List Price
    £573.04 Ex VAT
    £687.65 Inc VAT
    Keypart Price
    £350.00 Ex VAT
    £420.00 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-2902-1 - Mercruiser 350 MAG MPI Petrol Engine Parts Exhaust Manifold to Head Gasket (2 required per engine)
    18-2902-1
    Exhaust Manifold to Head Gasket (2 required per engine)
    List Price
    £10.10 Ex VAT
    £12.12 Inc VAT
    Keypart Price
    £9.09 Ex VAT
    £10.91 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-0897 - Mercruiser 350 MAG 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
    £14.99 Ex VAT
    £17.99 Inc VAT
    Keypart Price
    £11.99 Ex VAT
    £14.39 Inc VAT
    Low Stock

    Add to Basket (0)
  • 807166A1 - Mercruiser 350 MAG MPI Petrol Engine Parts Exhaust Shutter - (2 required per engine)
    807166A1
    Exhaust Shutter - (2 required per engine)
    List Price
    £84.09 Ex VAT
    £100.91 Inc VAT
    Keypart Price
    £75.68 Ex VAT
    £90.82 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-2748 - Mercruiser 350 MAG 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
    £90.89 Ex VAT
    £109.07 Inc VAT
    Keypart Price
    £68.17 Ex VAT
    £81.80 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-2746 - Mercruiser 350 MAG 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
    £71.60 Ex VAT
    £85.92 Inc VAT
    Keypart Price
    £53.74 Ex VAT
    £64.49 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-15116 - Mercruiser 350 MAG MPI Petrol Engine Parts Serpentine Belt - for Alpha Spec with Power Steering
    18-15116
    Serpentine Belt - for Alpha Spec with Power Steering
    List Price
    £87.01 Ex VAT
    £104.41 Inc VAT
    Keypart Price
    £69.61 Ex VAT
    £83.53 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-6457 - Mercruiser 350 MAG 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
    £56.75 Ex VAT
    £68.10 Inc VAT
    Keypart Price
    £45.40 Ex VAT
    £54.48 Inc VAT
    In Stock

    Add to Basket (0)

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

  • 18-15115 - Mercruiser 350 MAG MPI Petrol Engine Parts Serpentine Belt - for Bravo Spec with Power Steering
    18-15115
    Serpentine Belt - for Bravo Spec with Power Steering
    List Price
    £98.54 Ex VAT
    £118.25 Inc VAT
    Keypart Price
    £78.83 Ex VAT
    £94.60 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-3087 - Mercruiser 350 MAG MPI Petrol Engine Parts Sea-water Pump Impeller
    18-3087
    Sea-water Pump Impeller
    List Price
    £27.39 Ex VAT
    £32.87 Inc VAT
    Keypart Price
    £21.94 Ex VAT
    £26.33 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-3237 - Mercruiser 350 MAG MPI Petrol Engine Parts Impeller Repair Kit for 1-piece Plastic Body
    18-3237
    Impeller Repair Kit for 1-piece Plastic Body
    List Price
    £69.22 Ex VAT
    £83.06 Inc VAT
    Keypart Price
    £55.38 Ex VAT
    £66.46 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-2412-1 - Mercruiser 350 MAG 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
    £464.22 Ex VAT
    £557.06 Inc VAT
    Keypart Price
    £371.38 Ex VAT
    £445.66 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-3150 - Mercruiser 350 MAG MPI Petrol Engine Parts Sea-water Pump Repair Kit with Housing
    18-3150
    Sea-water Pump Repair Kit with Housing
    List Price
    £99.98 Ex VAT
    £119.98 Inc VAT
    Keypart Price
    £79.98 Ex VAT
    £95.98 Inc VAT
    Low Stock

    Add to Basket (0)

Fuel System (Engine)

  • 18-7944 - Mercruiser 350 MAG 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
    £10.28 Ex VAT
    £12.34 Inc VAT
    Keypart Price
    £8.23 Ex VAT
    £9.88 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-7945 - Mercruiser 350 MAG 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
    £10.28 Ex VAT
    £12.34 Inc VAT
    Keypart Price
    £8.22 Ex VAT
    £9.86 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-7945C - Mercruiser 350 MAG 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
    Low Stock

    Add to Basket (0)
  • 35-802893Q01 - Mercruiser 350 MAG MPI Petrol Engine Parts 25-Micron Fuel Filter - Spin On - Genuine
    35-802893Q01
    25-Micron Fuel Filter - Spin On - Genuine
    List Price
    £10.28 Ex VAT
    £12.34 Inc VAT
    Keypart Price
    £9.25 Ex VAT
    £11.10 Inc VAT
    Low Stock

    Add to Basket (0)
  • 861260T - Mercruiser 350 MAG MPI Petrol Engine Parts Fuel Injector - (8 required per engine)
    861260T
    Fuel Injector - (8 required per engine)
    List Price
    £262.60 Ex VAT
    £315.12 Inc VAT
    Keypart Price
    £236.34 Ex VAT
    £283.61 Inc VAT
    Special Order Usually 7 - 9 Days

    Add to Basket (0)
  • 18-7700 - Mercruiser 350 MAG MPI Petrol Engine Parts Throttle Position Sensor
    18-7700
    Throttle Position Sensor
    List Price
    £119.00 Ex VAT
    £142.80 Inc VAT
    Keypart Price
    £83.30 Ex VAT
    £99.96 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-7550 - Mercruiser 350 MAG MPI Petrol Engine Parts Map Sensor
    18-7550
    Map Sensor
    List Price
    £175.32 Ex VAT
    £210.38 Inc VAT
    Keypart Price
    £122.72 Ex VAT
    £147.26 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-8867 - Mercruiser 350 MAG MPI Petrol Engine Parts Electric Fuel Pump Kit (Includes Bracket - not shown) Threaded on both ends.
    18-8867
    Electric Fuel Pump Kit (Includes Bracket - not shown) Threaded on both ends.
    List Price
    £261.22 Ex VAT
    £313.46 Inc VAT
    Keypart Price
    £235.10 Ex VAT
    £282.12 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-35433 - Mercruiser 350 MAG MPI Petrol Engine Parts Electric Fuel Pump - Replacement - ONE end threaded, push-fit on the other.
    18-35433
    Electric Fuel Pump - Replacement - ONE end threaded, push-fit on the other.
    List Price
    £261.22 Ex VAT
    £313.46 Inc VAT
    Keypart Price
    £235.10 Ex VAT
    £282.12 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 807952A1 - Mercruiser 350 MAG MPI Petrol Engine Parts Fuel Pressure Regulator Kit (Mounted on Fuel Cooler) - Genuine
    807952A1
    Fuel Pressure Regulator Kit (Mounted on Fuel Cooler) - Genuine
    List Price
    £171.00 Ex VAT
    £205.20 Inc VAT
    Keypart Price
    £153.90 Ex VAT
    £184.68 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 92-8M0079745 - Mercruiser 350 MAG 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
    £12.83 Ex VAT
    £15.40 Inc VAT
    In Stock

    Add to Basket (0)
  • Awaiting
    Image
    35-863829
    Sponge Muffler for Throttle Body - Genuine
    Keypart Price
    £2.36 Ex VAT
    £2.83 Inc VAT
    In Stock

    Add to Basket (0)

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.

  • 18-7848-1 - Mercruiser 350 MAG MPI Petrol Engine Parts Fuel Filter Kit with 1/4" Ports - Aluminium Head (Short Filter) 21 micron for Bulkhead Mounting
    18-7848-1
    Fuel Filter Kit with 1/4" Ports - Aluminium Head (Short 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
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-8074 - Mercruiser 350 MAG 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
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-8067 - Mercruiser 350 MAG 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
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-7944 - Mercruiser 350 MAG 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
    £10.28 Ex VAT
    £12.34 Inc VAT
    Keypart Price
    £8.23 Ex VAT
    £9.88 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-7945 - Mercruiser 350 MAG 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
    £10.28 Ex VAT
    £12.34 Inc VAT
    Keypart Price
    £8.22 Ex VAT
    £9.86 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-7945C - Mercruiser 350 MAG 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
    Low Stock

    Add to Basket (0)
  • 35-802893Q01 - Mercruiser 350 MAG 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
    £10.28 Ex VAT
    £12.34 Inc VAT
    Keypart Price
    £9.25 Ex VAT
    £11.10 Inc VAT
    Low Stock

    Add to Basket (0)

Ignition System

  • BPR6EFS - Mercruiser 350 MAG 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
    In Stock

    Add to Basket (0)
  • 18-5354 - Mercruiser 350 MAG MPI Petrol Engine Parts Distributor Cap - EST Ignition
    18-5354
    Distributor Cap - EST Ignition
    List Price
    £26.00 Ex VAT
    £31.20 Inc VAT
    Keypart Price
    £23.40 Ex VAT
    £28.08 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-5405 - Mercruiser 350 MAG MPI Petrol Engine Parts Rotor Arm - EST Ignition
    18-5405
    Rotor Arm - EST Ignition
    List Price
    £12.60 Ex VAT
    £15.12 Inc VAT
    Keypart Price
    £11.34 Ex VAT
    £13.61 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5108 - Mercruiser 350 MAG MPI Petrol Engine Parts Distributor Pick-up Sensor - EST Ignition
    18-5108
    Distributor Pick-up Sensor - EST Ignition
    List Price
    £50.90 Ex VAT
    £61.08 Inc VAT
    Keypart Price
    £35.63 Ex VAT
    £42.76 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5107-1 - Mercruiser 350 MAG MPI Petrol Engine Parts Distributor Ignition Module - EST Ignition
    18-5107-1
    Distributor Ignition Module - EST Ignition
    List Price
    £147.00 Ex VAT
    £176.40 Inc VAT
    Keypart Price
    £90.00 Ex VAT
    £108.00 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5443 - Mercruiser 350 MAG MPI Petrol Engine Parts Ignition Coil - EST Ignition
    18-5443
    Ignition Coil - EST Ignition
    List Price
    £92.90 Ex VAT
    £111.48 Inc VAT
    Keypart Price
    £74.32 Ex VAT
    £89.18 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-8820-1 - Mercruiser 350 MAG MPI Petrol Engine Parts High Tension Plug Lead Set - EST Ignition
    18-8820-1
    High Tension Plug Lead Set - EST Ignition
    List Price
    £81.80 Ex VAT
    £98.16 Inc VAT
    Keypart Price
    £65.44 Ex VAT
    £78.53 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5514 - Mercruiser 350 MAG 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

    Add to Basket (0)
  • 18-28175 - Mercruiser 350 MAG 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
    Low Stock

    Add to Basket (0)
  • 18-28150 - Mercruiser 350 MAG 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
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-28151 - Mercruiser 350 MAG 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

    Add to Basket (0)

Electrical System

  • 18-6275-1 - Mercruiser 350 MAG MPI Petrol Engine Parts Marine Starter Motor Assembly - Heavy Duty with Water Drain
    18-6275-1
    Marine Starter Motor Assembly - Heavy Duty with Water Drain
    List Price
    £257.00 Ex VAT
    £308.40 Inc VAT
    Keypart Price
    £120.00 Ex VAT
    £144.00 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-5960 - Mercruiser 350 MAG MPI Petrol Engine Parts Alternator 65A - Mando Serpentine Pulley
    18-5960
    Alternator 65A - Mando Serpentine Pulley
    List Price
    £335.15 Ex VAT
    £402.18 Inc VAT
    Keypart Price
    £210.00 Ex VAT
    £252.00 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5816 - Mercruiser 350 MAG MPI Petrol Engine Parts Solenoid Kit - Flat Bracket - (Slave for Starter Motor)
    18-5816
    Solenoid Kit - Flat Bracket - (Slave for Starter Motor)
    List Price
    £34.86 Ex VAT
    £41.83 Inc VAT
    Keypart Price
    £27.89 Ex VAT
    £33.47 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5897 - Mercruiser 350 MAG 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
    £33.66 Ex VAT
    £40.39 Inc VAT
    Keypart Price
    £26.93 Ex VAT
    £32.32 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-5899 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Pressure Sender
    18-5899
    Oil Pressure Sender
    List Price
    £55.52 Ex VAT
    £66.62 Inc VAT
    Keypart Price
    £44.42 Ex VAT
    £53.30 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-7600 - Mercruiser 350 MAG MPI Petrol Engine Parts Temperature Switch
    18-7600
    Temperature Switch
    List Price
    £70.30 Ex VAT
    £84.36 Inc VAT
    Keypart Price
    £49.21 Ex VAT
    £59.05 Inc VAT
    In Stock

    Add to Basket (0)
  • 3854164-R - Mercruiser 350 MAG MPI Petrol Engine Parts 50amp Reset Fuse Unit
    3854164-R
    50amp Reset Fuse Unit
    List Price
    £117.00 Ex VAT
    £140.40 Inc VAT
    Keypart Price
    £81.90 Ex VAT
    £98.28 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-8220 - Mercruiser 350 MAG MPI Petrol Engine Parts Fuse Kit - 90Amp
    18-8220
    Fuse Kit - 90Amp
    List Price
    £39.15 Ex VAT
    £46.98 Inc VAT
    Keypart Price
    £31.32 Ex VAT
    £37.58 Inc VAT
    In Stock

    Add to Basket (0)
  • 8M0092849 - Mercruiser 350 MAG MPI Petrol Engine Parts Stop Switch Lanyard - Genuine
    8M0092849
    Stop Switch Lanyard - Genuine
    Keypart Price
    £13.96 Ex VAT
    £16.75 Inc VAT
    In Stock

    Add to Basket (0)
  • 87-805605A1 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Pressure Switch for Alarm - Genuine
    87-805605A1
    Oil Pressure Switch for Alarm - Genuine
    List Price
    £32.51 Ex VAT
    £39.01 Inc VAT
    Keypart Price
    £29.26 Ex VAT
    £35.11 Inc VAT
    Low Stock

    Add to Basket (0)
  • 48952 - Mercruiser 350 MAG MPI Petrol Engine Parts Temperature Switch for Alarm - Genuine
    48952
    Temperature Switch for Alarm - Genuine
    List Price
    £117.66 Ex VAT
    £141.19 Inc VAT
    Keypart Price
    £105.89 Ex VAT
    £127.07 Inc VAT
    In Stock

    Add to Basket (0)
  • 8M6000623 - Mercruiser 350 MAG MPI Petrol Engine Parts Water Pressure Sensor - Replacement
    8M6000623
    Water Pressure Sensor - Replacement
    List Price
    £143.67 Ex VAT
    £172.40 Inc VAT
    Keypart Price
    £129.30 Ex VAT
    £155.16 Inc VAT
    In Stock

    Add to Basket (0)

Repair Items

  • 835005 - Mercruiser 350 MAG MPI Petrol Engine Parts Timing Cover with Seal - Plastic
    835005
    Timing Cover with Seal - Plastic
    List Price
    £96.47 Ex VAT
    £115.76 Inc VAT
    Keypart Price
    £77.18 Ex VAT
    £92.62 Inc VAT
    Special Order Usually 3 - 5 Days

    Add to Basket (0)
  • 18-2193 - Mercruiser 350 MAG MPI Petrol Engine Parts Rear Engine Mount - (2 required per engine)
    18-2193
    Rear Engine Mount - (2 required per engine)
    List Price
    £94.24 Ex VAT
    £113.09 Inc VAT
    Keypart Price
    £47.12 Ex VAT
    £56.54 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-2141 - Mercruiser 350 MAG MPI Petrol Engine Parts Rear Engine Mount Bolt Kit - (2 required per engine)
    18-2141
    Rear Engine Mount Bolt Kit - (2 required per engine)
    List Price
    £26.24 Ex VAT
    £31.49 Inc VAT
    Keypart Price
    £20.99 Ex VAT
    £25.19 Inc VAT
    Low Stock

    Add to Basket (0)
  • 18-7508 - Mercruiser 350 MAG MPI Petrol Engine Parts Power Steering Pump Assembly (NO Pulley) - Replacement
    18-7508
    Power Steering Pump Assembly (NO Pulley) - Replacement
    List Price
    £625.32 Ex VAT
    £750.38 Inc VAT
    Keypart Price
    £450.00 Ex VAT
    £540.00 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)
  • 18-0612 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Pan - for engines with single piece rear main seal - Replacement
    18-0612
    Oil Pan - for engines with single piece rear main seal - Replacement
    List Price
    £223.05 Ex VAT
    £267.66 Inc VAT
    Keypart Price
    £178.44 Ex VAT
    £214.13 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-4516 - Mercruiser 350 MAG MPI Petrol Engine Parts Flywheel Ring Gear For 14" GM Flywheel - Replacement (168 Teeth)
    18-4516
    Flywheel Ring Gear For 14" GM Flywheel - Replacement (168 Teeth)
    List Price
    £167.00 Ex VAT
    £200.40 Inc VAT
    Keypart Price
    £95.00 Ex VAT
    £114.00 Inc VAT
    Please Contact for Stock Status

    Add to Basket (0)

Repair Kits

  • 18-1237 - Mercruiser 350 MAG MPI Petrol Engine Parts Sump Gasket - One Piece
    18-1237
    Sump Gasket - One Piece
    List Price
    £67.79 Ex VAT
    £81.35 Inc VAT
    Keypart Price
    £54.23 Ex VAT
    £65.08 Inc VAT
    Low Stock

    Add to Basket (0)

Bobtail Engines

Please note: Additional items may be required when replacing earlier engines. Please call KEYPART for additional information.

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.

  • 20.052 - Mercruiser 350 MAG 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

    Add to Basket (0)
  • LOCTITE-243-10ML - Mercruiser 350 MAG MPI Petrol Engine Parts Loctite Threadlock 10ml
    LOCTITE-243-10ML
    Loctite Threadlock 10ml
    List Price
    £25.00 Ex VAT
    £30.00 Inc VAT
    Keypart Price
    £20.00 Ex VAT
    £24.00 Inc VAT
    In Stock

    Add to Basket (0)
  • LOCTITE-243-50ML - Mercruiser 350 MAG 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
    In Stock

    Add to Basket (0)
  • 92-8M0079745 - Mercruiser 350 MAG 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
    £12.83 Ex VAT
    £15.40 Inc VAT
    In Stock

    Add to Basket (0)

Tools & Manuals

  • 18-03206 - Mercruiser 350 MAG 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

    Add to Basket (0)
  • 33799-0000 - Mercruiser 350 MAG MPI Petrol Engine Parts Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £63.00 Ex VAT
    £75.60 Inc VAT
    In Stock

    Add to Basket (0)
  • 18-8999 - Mercruiser 350 MAG 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
    Please Contact for Stock Status

    Add to Basket (0)

Accessories

  • MP40970-1 - Mercruiser 350 MAG MPI Petrol Engine Parts Safety Switch - Sierra Marine Works - Coiled Lanyard
    MP40970-1
    Safety Switch - Sierra Marine Works - Coiled Lanyard
    List Price
    £33.00 Ex VAT
    £39.60 Inc VAT
    Keypart Price
    £25.00 Ex VAT
    £30.00 Inc VAT
    Low Stock

    Add to Basket (0)
  • UN77310 - Mercruiser 350 MAG 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
    £23.00 Ex VAT
    £27.60 Inc VAT
    Keypart Price
    £16.00 Ex VAT
    £19.20 Inc VAT
    In Stock

    Add to Basket (0)

350 MAG MPI Petrol Engine Parts