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AQ125B Petrol Engine

Manufactured between the years of 1984 - 1985


Engine


  • Oil Filter - Genuine
    List Price
    £10.29 Ex VAT
    £12.35 Inc VAT
    Keypart Price
    £8.23 Ex VAT
    £9.88 Inc VAT
    Low Stock

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  • Gasket for Rocker Cover
    List Price
    £30.22 Ex VAT
    £36.26 Inc VAT
    Keypart Price
    £24.18 Ex VAT
    £29.02 Inc VAT
    In Stock

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  • Valve Spring - (8 Required per Engine)
    List Price
    £11.41 Ex VAT
    £13.69 Inc VAT
    Keypart Price
    £10.27 Ex VAT
    £12.32 Inc VAT
    Special Order Usually 7 - 9 Days

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  • Sump Drain Plug
    List Price
    £3.25 Ex VAT
    £3.90 Inc VAT
    Keypart Price
    £2.92 Ex VAT
    £3.50 Inc VAT
    In Stock

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  • Washer for Sump Drain Plug - Replacement
    Keypart Price
    £0.68 Ex VAT
    £0.82 Inc VAT
    In Stock

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  • Timing Belt Tensioner - Genuine
    List Price
    £65.61 Ex VAT
    £78.73 Inc VAT
    Keypart Price
    £59.05 Ex VAT
    £70.86 Inc VAT
    In Stock

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  • Timing Belt
    List Price
    £16.48 Ex VAT
    £19.78 Inc VAT
    Keypart Price
    £13.19 Ex VAT
    £15.83 Inc VAT
    Low Stock

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  • Power Steering Drive Belt - for AQ145B
    List Price
    £6.21 Ex VAT
    £7.45 Inc VAT
    Keypart Price
    £5.59 Ex VAT
    £6.71 Inc VAT
    In Stock

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Lubricants

Engine oil capacity is approximately 5.0 Litres


  • 25W/40 Engine Oil 4.7 Litre (Not available to customers outside the UK)
    List Price
    £30.83 Ex VAT
    £37.00 Inc VAT
    Keypart Price
    £23.12 Ex VAT
    £27.74 Inc VAT
    In Stock

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  • 25W/40 Synthetic Blend Engine Oil 4.7 litre (Not available to customers outside the UK)
    List Price
    £34.87 Ex VAT
    £41.84 Inc VAT
    Keypart Price
    £26.15 Ex VAT
    £31.38 Inc VAT
    In Stock

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  • Type 90 Green Coolant/Anti-freeze Concentrate - 5 Litre - Genuine - May NOT be mixed with Yellow (Not available to customers outside the UK)
    Keypart Price
    £33.96 Ex VAT
    £40.75 Inc VAT
    In Stock

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  • Awaiting
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    VCS Yellow Coolant/Anti-Freeze Concentrate 5 Litre - Genuine - May NOT be mixed with Green (Not available to customers outside the UK)
    Keypart Price
    £34.52 Ex VAT
    £41.42 Inc VAT
    Please Contact for Stock Status

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  • 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


  • Thermostat Kit - Replacement
    List Price
    £22.25 Ex VAT
    £26.70 Inc VAT
    Keypart Price
    £18.91 Ex VAT
    £22.69 Inc VAT
    In Stock

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  • Thermostat Kit - Genuine
    List Price
    £22.25 Ex VAT
    £26.70 Inc VAT
    Keypart Price
    £20.03 Ex VAT
    £24.04 Inc VAT
    In Stock

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  • Impeller Kit - Replacement
    List Price
    £45.22 Ex VAT
    £54.26 Inc VAT
    Keypart Price
    £31.65 Ex VAT
    £37.98 Inc VAT
    In Stock

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  • Impeller Kit - Genuine
    List Price
    £45.22 Ex VAT
    £54.26 Inc VAT
    Keypart Price
    £40.70 Ex VAT
    £48.84 Inc VAT
    In Stock

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  • Seawater Pump Assembly
    List Price
    £162.00 Ex VAT
    £194.40 Inc VAT
    Keypart Price
    £145.80 Ex VAT
    £174.96 Inc VAT
    Please Contact for Stock Status

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  • Seawater Pump Drive Coupling
    List Price
    £6.39 Ex VAT
    £7.67 Inc VAT
    Keypart Price
    £5.12 Ex VAT
    £6.14 Inc VAT
    In Stock

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  • Seawater Pump Cover Screw - Short
    Keypart Price
    £0.15 Ex VAT
    £0.18 Inc VAT
    Please Contact for Stock Status

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  • Seawater Pump Cover Screw - Long
    Keypart Price
    £0.23 Ex VAT
    £0.28 Inc VAT
    Low Stock

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  • Exhaust Manifold Assembly - includes Gaskets
    List Price
    £732.00 Ex VAT
    £878.40 Inc VAT
    Keypart Price
    £292.80 Ex VAT
    £351.36 Inc VAT
    Low Stock

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  • Exhaust Manifold to Cyl Head Gasket (4 Required per Engine)
    List Price
    £5.36 Ex VAT
    £6.43 Inc VAT
    Keypart Price
    £4.29 Ex VAT
    £5.15 Inc VAT
    In Stock

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  • Pressure Cap
    List Price
    £25.89 Ex VAT
    £31.07 Inc VAT
    Keypart Price
    £7.60 Ex VAT
    £9.12 Inc VAT
    In Stock

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  • Cam for Sea-water Pump
    List Price
    £18.38 Ex VAT
    £22.06 Inc VAT
    Keypart Price
    £14.70 Ex VAT
    £17.64 Inc VAT
    In Stock

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  • Screw for Sea-water Pump Cam
    List Price
    £5.54 Ex VAT
    £6.65 Inc VAT
    Keypart Price
    £2.77 Ex VAT
    £3.32 Inc VAT
    Please Contact for Stock Status

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Fuel System


  • Fuel Pipe Washer
    Keypart Price
    £0.56 Ex VAT
    £0.67 Inc VAT
    In Stock

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  • Lift Pump to Block Spacer
    List Price
    £15.30 Ex VAT
    £18.36 Inc VAT
    Keypart Price
    £13.77 Ex VAT
    £16.52 Inc VAT
    In Stock

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  • Fuel Pump Gasket
    Keypart Price
    £1.35 Ex VAT
    £1.62 Inc VAT
    In Stock

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  • Carburettor Repair Kit (1 Required per Carburettor)
    List Price
    £80.00 Ex VAT
    £96.00 Inc VAT
    Keypart Price
    £70.00 Ex VAT
    £84.00 Inc VAT
    Low Stock

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  • Fuel Lift Pump - Sealed Type - Replacement
    List Price
    £98.65 Ex VAT
    £118.38 Inc VAT
    Keypart Price
    £78.92 Ex VAT
    £94.70 Inc VAT
    In Stock

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  • Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £11.40 Ex VAT
    £13.68 Inc VAT
    In 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.


  • Fuel Filter Kit with 1/4" Ports - Aluminium Head (Tall Filter) 21 micron
    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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  • 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
    In Stock

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  • 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

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  • 10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long
    List Price
    £9.14 Ex VAT
    £10.97 Inc VAT
    Keypart Price
    £7.31 Ex VAT
    £8.77 Inc VAT
    In Stock

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  • Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    List Price
    £7.34 Ex VAT
    £8.81 Inc VAT
    Keypart Price
    £5.14 Ex VAT
    £6.17 Inc VAT
    In Stock

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  • Fuel Filter - Fleetguard
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    Low Stock

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  • Fuel Filter - Fleetguard
    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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Ignition System


  • Spark Plug - (4 Required per Engine)
    List Price
    £4.61 Ex VAT
    £5.53 Inc VAT
    Keypart Price
    £3.46 Ex VAT
    £4.15 Inc VAT
    Low Stock

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  • High Tension Plug Lead Set - Replacement
    List Price
    £98.88 Ex VAT
    £118.66 Inc VAT
    Keypart Price
    £50.00 Ex VAT
    £60.00 Inc VAT
    In Stock

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  • Contact Set
    List Price
    £7.83 Ex VAT
    £9.40 Inc VAT
    Keypart Price
    £6.26 Ex VAT
    £7.51 Inc VAT
    Low Stock

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  • Condenser
    List Price
    £9.99 Ex VAT
    £11.99 Inc VAT
    Keypart Price
    £7.99 Ex VAT
    £9.59 Inc VAT
    In Stock

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  • Rotor Arm
    List Price
    £8.65 Ex VAT
    £10.38 Inc VAT
    Keypart Price
    £7.78 Ex VAT
    £9.34 Inc VAT
    Low Stock

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  • Distributor Cap - Screw-down Type
    List Price
    £59.53 Ex VAT
    £71.44 Inc VAT
    Keypart Price
    £47.62 Ex VAT
    £57.14 Inc VAT
    In Stock

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  • Ignition Coil - Replacement
    List Price
    £70.10 Ex VAT
    £84.12 Inc VAT
    Keypart Price
    £52.58 Ex VAT
    £63.10 Inc VAT
    Low Stock

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  • Electronic Ignition Conversion Kit for Dist No 0-231-178-017 (Screw Down Cap)
    List Price
    £180.00 Ex VAT
    £216.00 Inc VAT
    Keypart Price
    £120.00 Ex VAT
    £144.00 Inc VAT
    In Stock

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Electrical System


  • Alternator Drive Belt
    List Price
    £15.20 Ex VAT
    £18.24 Inc VAT
    Keypart Price
    £12.16 Ex VAT
    £14.59 Inc VAT
    Low Stock

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  • 14V/60A Alternator Assembly (Pulley NOT included)
    List Price
    £314.00 Ex VAT
    £376.80 Inc VAT
    Keypart Price
    £225.00 Ex VAT
    £270.00 Inc VAT
    Low Stock

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  • Starter Motor Assembly - 12V
    List Price
    £213.00 Ex VAT
    £255.60 Inc VAT
    Keypart Price
    £150.00 Ex VAT
    £180.00 Inc VAT
    In Stock

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  • Starter Relay 12V - Replacement
    List Price
    £16.63 Ex VAT
    £19.96 Inc VAT
    Keypart Price
    £13.30 Ex VAT
    £15.96 Inc VAT
    In Stock

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  • Key Switch Kit - Genuine - - Replaces earlier Bosch/Nieman Type
    List Price
    £63.23 Ex VAT
    £75.88 Inc VAT
    Keypart Price
    £56.91 Ex VAT
    £68.29 Inc VAT
    Please Contact for Stock Status

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Repair Kits


  • De-Coke Gasket Kit
    List Price
    £88.51 Ex VAT
    £106.21 Inc VAT
    Keypart Price
    £75.23 Ex VAT
    £90.28 Inc VAT
    In Stock

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  • Additional Gasket Kit
    List Price
    £231.50 Ex VAT
    £277.80 Inc VAT
    Keypart Price
    £115.75 Ex VAT
    £138.90 Inc VAT
    In Stock

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  • Water Pipe Seal Kit
    List Price
    £23.39 Ex VAT
    £28.07 Inc VAT
    Keypart Price
    £17.54 Ex VAT
    £21.05 Inc VAT
    In Stock

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  • Oil Cooler Seal Kit
    List Price
    £4.18 Ex VAT
    £5.02 Inc VAT
    Keypart Price
    £3.13 Ex VAT
    £3.76 Inc VAT
    In Stock

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  • Seawater Pump Seal Kit
    List Price
    £8.42 Ex VAT
    £10.10 Inc VAT
    Keypart Price
    £6.31 Ex VAT
    £7.57 Inc VAT
    In Stock

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  • Circulation Pump Installation Kit
    List Price
    £12.36 Ex VAT
    £14.83 Inc VAT
    Keypart Price
    £9.27 Ex VAT
    £11.12 Inc VAT
    Special Order Usually 7 - 9 Days

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  • Heat-exchanger Gasket & Seal Kit
    List Price
    £33.71 Ex VAT
    £40.45 Inc VAT
    Keypart Price
    £25.28 Ex VAT
    £30.34 Inc VAT
    In Stock

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  • Seawater Pump Repair Kit - Genuine
    List Price
    £100.00 Ex VAT
    £120.00 Inc VAT
    Keypart Price
    £85.00 Ex VAT
    £102.00 Inc VAT
    In Stock

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  • Seal Kit for CAV/Delphi 296 Pre-filter
    List Price
    £4.65 Ex VAT
    £5.58 Inc VAT
    Keypart Price
    £3.82 Ex VAT
    £4.58 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.


  • *AEROSOL* Quicksilver Powertune 12oz (340g) (Shipping restrictions apply - see above)
    Keypart Price
    £13.41 Ex VAT
    £16.09 Inc VAT
    In Stock

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  • *AEROSOL* Fogging Oil Aerosol 12 oz (for use when laying up) (Shipping restrictions apply - see above)
    List Price
    £15.44 Ex VAT
    £18.53 Inc VAT
    Keypart Price
    £9.26 Ex VAT
    £11.11 Inc VAT
    In Stock

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  • *AEROSOL* Red Aerosol Paint - 400 ml (Shipping restrictions apply - see above)
    List Price
    £18.92 Ex VAT
    £22.70 Inc VAT
    Keypart Price
    £11.35 Ex VAT
    £13.62 Inc VAT
    In Stock

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  • 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 Threadlock 50ml
    List Price
    £45.00 Ex VAT
    £54.00 Inc VAT
    Keypart Price
    £40.00 Ex VAT
    £48.00 Inc VAT
    In Stock

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  • *AEROSOL* RP-90 Rapid Penetrating & Release Fluid 500ml (shipping restrictions apply - see above)
    Keypart Price
    £5.22 Ex VAT
    £6.26 Inc VAT
    Please Contact for Stock Status

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  • *AEROSOL* SA-90 Industrial Strength Adhesive 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £11.08 Ex VAT
    £13.30 Inc VAT
    In Stock

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  • *AEROSOL* Amaze Dash Plastic & Rubber Cleaner 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £5.08 Ex VAT
    £6.10 Inc VAT
    In Stock

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  • *AEROSOL* AC-90 Moisture Displacement & Lubricant 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £6.50 Ex VAT
    £7.80 Inc VAT
    Low Stock

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  • *AEROSOL* Supertrol 001 Heavy Duty Corrosion Protector 500ml - Ideal for corrosion protection of steel components in storage or in transit.
    Keypart Price
    £8.31 Ex VAT
    £9.97 Inc VAT
    In Stock

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  • Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £11.40 Ex VAT
    £13.68 Inc VAT
    In Stock

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  • *AEROSOL* TF-90 Fast Dry Cleaning Solvent & Degreaser 500ml (Shipping restrictions apply - see above)
    Keypart Price
    £8.11 Ex VAT
    £9.73 Inc VAT
    Low Stock

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  • *AEROSOL* Fogging Oil Spray (12oz) 340gm - Genuine (for use when laying up) (Shipping restrictions apply - see above)
    List Price
    £15.44 Ex VAT
    £18.53 Inc VAT
    Keypart Price
    £13.90 Ex VAT
    £16.68 Inc VAT
    In Stock

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  • *AEROSOL* Multi-Purpose Oil with Anti-rust 415ml - A must for Boats (Shipping restrictions apply - see above)
    Keypart Price
    £5.33 Ex VAT
    £6.40 Inc VAT
    In Stock

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Tools & Manuals


  • Engine & Sterndrive Workshop Manual 1968-1991
    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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  • 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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Accessories


  • 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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  • 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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AQ125B Petrol Engine