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431B Petrol Engine

Manufactured between the years of 1991 - 1992


Engine


  • Oil Filter - Replacement
    Keypart Price
    £12.36 (inc VAT)
    £10.30 (ex VAT)
    List Price
    £15.46 (inc VAT)
    £12.88 (ex VAT)
    In Stock

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  • Oil Filter - Genuine
    Keypart Price
    £9.72 (inc VAT)
    £8.10 (ex VAT)
    List Price
    £10.80 (inc VAT)
    £9.00 (ex VAT)
    In Stock

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  • Power Steering Belt
    Keypart Price
    £24.48 (inc VAT)
    £20.40 (ex VAT)
    List Price
    £30.60 (inc VAT)
    £25.50 (ex VAT)
    In Stock

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  • Rocker Cover Gasket - (2 Required per Engine)
    Keypart Price
    £42.62 (inc VAT)
    £35.52 (ex VAT)
    List Price
    £53.34 (inc VAT)
    £44.45 (ex VAT)
    In Stock

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Replacement Long Block


Lubricants

Engine oil capacity is approximately 4.2 Litres


  • 25W/40 Engine Oil 4.7 Litre (Not available to customers outside the UK)
    Keypart Price
    £48.41 (inc VAT)
    £40.34 (ex VAT)
    List Price
    £60.52 (inc VAT)
    £50.43 (ex VAT)
    Low Stock

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  • 25W/40 Synthetic Blend Oil 4L - Genuine Quicksilver (Not available to customers outside the UK)
    Keypart Price
    £58.31 (inc VAT)
    £48.59 (ex VAT)
    In Stock

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  • Oil Change Pump Kit (Universal)
    Keypart Price
    £78.00 (inc VAT)
    £65.00 (ex VAT)
    List Price
    £90.00 (inc VAT)
    £75.00 (ex VAT)
    Please Contact for Stock Status

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Exhaust Manifold Kits


  • Manifold & Riser Kit - Engine Set - Replacement
    Keypart Price
    £660.00 (inc VAT)
    £550.00 (ex VAT)
    List Price
    £840.00 (inc VAT)
    £700.00 (ex VAT)
    In Stock

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Cooling System


  • Thermostat Kit for Direct Cooled Engines - Genuine
    Keypart Price
    £30.30 (inc VAT)
    £25.25 (ex VAT)
    List Price
    £31.08 (inc VAT)
    £25.90 (ex VAT)
    Please Contact for Stock Status

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  • Impeller Kit - Replacement - for Pumps with 4-hole Cover
    Keypart Price
    £33.89 (inc VAT)
    £28.24 (ex VAT)
    List Price
    £42.36 (inc VAT)
    £35.30 (ex VAT)
    Low Stock

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  • Seawater Pump Impeller Kit - Splined Type - Genuine
    Keypart Price
    £41.04 (inc VAT)
    £34.20 (ex VAT)
    List Price
    £45.60 (inc VAT)
    £38.00 (ex VAT)
    In Stock

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  • Impeller Kit - Replacement - for Pumps with 6-hole Cover
    Keypart Price
    £50.40 (inc VAT)
    £42.00 (ex VAT)
    List Price
    £63.00 (inc VAT)
    £52.50 (ex VAT)
    In Stock

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  • Seawater Pump Assembly - ** VALUE ITEM **
    Keypart Price
    £396.36 (inc VAT)
    £330.30 (ex VAT)
    List Price
    £440.40 (inc VAT)
    £367.00 (ex VAT)
    In Stock

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  • Allen Screw for securing 857451 - Replacement - 3 required
    Keypart Price
    £6.62 (inc VAT)
    £5.52 (ex VAT)
    List Price
    £8.28 (inc VAT)
    £6.90 (ex VAT)
    In Stock

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  • Seawater Pump Cover Screw - for Pumps with 4-hole Cover
    Keypart Price
    £3.46 (inc VAT)
    £2.88 (ex VAT)
    List Price
    £4.32 (inc VAT)
    £3.60 (ex VAT)
    In Stock

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  • Seawater Pump Cover Screw - for Pumps with 6-hole Cover
    Keypart Price
    £1.92 (inc VAT)
    £1.60 (ex VAT)
    In Stock

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  • Circulation Pump Assembly - ** VALUE ITEM **
    Keypart Price
    £108.00 (inc VAT)
    £90.00 (ex VAT)
    List Price
    £181.20 (inc VAT)
    £151.00 (ex VAT)
    In Stock

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  • Exhaust Manifold (2 Required per Engine) - ** VALUE ITEM **
    Keypart Price
    £198.00 (inc VAT)
    £165.00 (ex VAT)
    List Price
    £339.60 (inc VAT)
    £283.00 (ex VAT)
    Low Stock

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  • Exhaust Riser (2 Required per Engine) - ** VALUE ITEM**
    Keypart Price
    £179.28 (inc VAT)
    £149.40 (ex VAT)
    List Price
    £199.20 (inc VAT)
    £166.00 (ex VAT)
    Low Stock

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  • Exhaust Manifold to Head Gasket (2 required per engine)
    Keypart Price
    £10.15 (inc VAT)
    £8.46 (ex VAT)
    List Price
    £11.28 (inc VAT)
    £9.40 (ex VAT)
    In Stock

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  • Exhaust Manifold to Riser Gasket (2 Required Per Engine)
    Keypart Price
    £8.93 (inc VAT)
    £7.44 (ex VAT)
    List Price
    £14.88 (inc VAT)
    £12.40 (ex VAT)
    In Stock

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  • Exhaust Riser to Downpipe Hose (2 Required per Engine) - Replacement
    Keypart Price
    £61.40 (inc VAT)
    £51.17 (ex VAT)
    List Price
    £87.72 (inc VAT)
    £73.10 (ex VAT)
    In Stock

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Fuel System (Engine)


  • Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long - - for Bulkhead Mounting
    Keypart Price
    £11.45 (inc VAT)
    £9.54 (ex VAT)
    List Price
    £14.30 (inc VAT)
    £11.92 (ex VAT)
    In Stock

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  • 10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long
    Keypart Price
    £11.45 (inc VAT)
    £9.54 (ex VAT)
    List Price
    £14.30 (inc VAT)
    £11.92 (ex VAT)
    Low Stock

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  • Fuel Filter - Spin On - Genuine
    Keypart Price
    £12.31 (inc VAT)
    £10.26 (ex VAT)
    List Price
    £13.68 (inc VAT)
    £11.40 (ex VAT)
    In Stock

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  • Carburettor Repair Kit - Rochester 2GC
    Keypart Price
    £56.40 (inc VAT)
    £47.00 (ex VAT)
    List Price
    £72.00 (inc VAT)
    £60.00 (ex VAT)
    Low Stock

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  • Carburettor Repair Kit - Rochester Quadrajet 4MV
    Keypart Price
    £78.00 (inc VAT)
    £65.00 (ex VAT)
    List Price
    £150.70 (inc VAT)
    £125.58 (ex VAT)
    In Stock

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  • Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £23.50 (inc VAT)
    £19.58 (ex 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 (Short Filter) 21 micron for Bulkhead Mounting
    Keypart Price
    £36.00 (inc VAT)
    £30.00 (ex VAT)
    List Price
    £48.00 (inc VAT)
    £40.00 (ex VAT)
    Please Contact for Stock Status

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  • Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - Straight
    Keypart Price
    £7.20 (inc VAT)
    £6.00 (ex VAT)
    List Price
    £9.60 (inc VAT)
    £8.00 (ex VAT)
    In Stock

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  • Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - 90 Deg
    Keypart Price
    £9.60 (inc VAT)
    £8.00 (ex VAT)
    List Price
    £12.00 (inc VAT)
    £10.00 (ex VAT)
    In Stock

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  • Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long - - for Bulkhead Mounting
    Keypart Price
    £11.45 (inc VAT)
    £9.54 (ex VAT)
    List Price
    £14.30 (inc VAT)
    £11.92 (ex VAT)
    In Stock

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  • 10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long
    Keypart Price
    £11.45 (inc VAT)
    £9.54 (ex VAT)
    List Price
    £14.30 (inc VAT)
    £11.92 (ex VAT)
    Low Stock

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  • Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    Keypart Price
    £7.31 (inc VAT)
    £6.09 (ex VAT)
    List Price
    £10.44 (inc VAT)
    £8.70 (ex VAT)
    In Stock

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  • Fuel Filter - Fleetguard
    Keypart Price
    £14.40 (inc VAT)
    £12.00 (ex VAT)
    List Price
    £18.00 (inc VAT)
    £15.00 (ex VAT)
    Low Stock

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  • Fuel Filter - Fleetguard
    Keypart Price
    £17.05 (inc VAT)
    £14.21 (ex VAT)
    List Price
    £21.31 (inc VAT)
    £17.76 (ex VAT)
    Low Stock

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Ignition System


  • Spark Plug - (6 Required per Engine)
    Keypart Price
    £4.56 (inc VAT)
    £3.80 (ex VAT)
    List Price
    £6.36 (inc VAT)
    £5.30 (ex VAT)
    Low Stock

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  • High Tension Plug Lead Set
    Keypart Price
    £50.40 (inc VAT)
    £42.00 (ex VAT)
    List Price
    £72.00 (inc VAT)
    £60.00 (ex VAT)
    In Stock

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  • Rotor Arm - Prestolite
    Keypart Price
    £10.00 (inc VAT)
    £8.33 (ex VAT)
    List Price
    £11.76 (inc VAT)
    £9.80 (ex VAT)
    Low Stock

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  • Distributor Cap - Prestolite
    Keypart Price
    £49.68 (inc VAT)
    £41.40 (ex VAT)
    List Price
    £66.24 (inc VAT)
    £55.20 (ex VAT)
    In Stock

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  • HT Lead Marker Set numbered 1 to 8
    Keypart Price
    £10.80 (inc VAT)
    £9.00 (ex VAT)
    List Price
    £13.20 (inc VAT)
    £11.00 (ex VAT)
    Please Contact for Stock Status

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  • HT Lead Wire Separator Kit - Blue
    Keypart Price
    £10.80 (inc VAT)
    £9.00 (ex VAT)
    List Price
    £13.20 (inc VAT)
    £11.00 (ex VAT)
    In Stock

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  • HT Lead Wire Separator Kit - Black
    Keypart Price
    £10.80 (inc VAT)
    £9.00 (ex VAT)
    List Price
    £13.20 (inc VAT)
    £11.00 (ex VAT)
    In Stock

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Electrical System


  • Marine Starter Motor Assembly - Heavy Duty with Water Drain
    Keypart Price
    £174.00 (inc VAT)
    £145.00 (ex VAT)
    List Price
    £343.20 (inc VAT)
    £286.00 (ex VAT)
    In Stock

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  • Alternator Drive Belt
    Keypart Price
    £26.12 (inc VAT)
    £21.77 (ex VAT)
    List Price
    £37.32 (inc VAT)
    £31.10 (ex VAT)
    In Stock

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  • 14V/60A Alternator Assembly (Pulley NOT included)
    Keypart Price
    £304.20 (inc VAT)
    £253.50 (ex VAT)
    List Price
    £468.00 (inc VAT)
    £390.00 (ex VAT)
    Low Stock

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  • Alternator Pulley (Required when upgrading to 14V/60A) - Genuine
    Keypart Price
    £68.26 (inc VAT)
    £56.88 (ex VAT)
    List Price
    £75.84 (inc VAT)
    £63.20 (ex VAT)
    Special Order Usually 3 - 5 Days

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  • Starter Relay 12V - Replacement
    Keypart Price
    £23.42 (inc VAT)
    £19.52 (ex VAT)
    List Price
    £29.28 (inc VAT)
    £24.40 (ex VAT)
    In Stock

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  • Reset Fuse Unit - Genuine
    Keypart Price
    £72.25 (inc VAT)
    £60.21 (ex VAT)
    List Price
    £80.28 (inc VAT)
    £66.90 (ex VAT)
    In Stock

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  • 55A Power Trim Fuse
    Keypart Price
    £22.14 (inc VAT)
    £18.45 (ex VAT)
    List Price
    £24.60 (inc VAT)
    £20.50 (ex VAT)
    In Stock

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Repair Kits


  • Seal Kit for CAV/Delphi 296 Pre-filter
    Keypart Price
    £4.92 (inc VAT)
    £4.10 (ex VAT)
    List Price
    £6.16 (inc VAT)
    £5.13 (ex VAT)
    In Stock

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Repair Items


  • Crankshaft Pulley - 2-Groove - Genuine
    Keypart Price
    £136.08 (inc VAT)
    £113.40 (ex VAT)
    List Price
    £151.20 (inc VAT)
    £126.00 (ex VAT)
    Special Order Usually 3 - 5 Days

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  • Flywheel Ring Gear For 14" GM Flywheel - Replacement (168 Teeth)
    Keypart Price
    £126.00 (inc VAT)
    £105.00 (ex VAT)
    List Price
    £223.20 (inc VAT)
    £186.00 (ex 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.


  • Loctite Threadlock 10ml
    Keypart Price
    £25.20 (inc VAT)
    £21.00 (ex VAT)
    List Price
    £31.20 (inc VAT)
    £26.00 (ex VAT)
    Please Contact for Stock Status

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  • Loctite Threadlock 50ml
    Keypart Price
    £60.00 (inc VAT)
    £50.00 (ex VAT)
    List Price
    £72.00 (inc VAT)
    £60.00 (ex VAT)
    Please Contact for Stock Status

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  • Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £23.50 (inc VAT)
    £19.58 (ex VAT)
    In Stock

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  • *AEROSOL* Fogging Oil Spray (12oz) 340gm - Genuine (for use when laying up) (Shipping restrictions apply - see above)
    Keypart Price
    £22.99 (inc VAT)
    £19.16 (ex VAT)
    List Price
    £25.55 (inc VAT)
    £21.29 (ex VAT)
    Low Stock

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Tools & Manuals


  • Engine & Sterndrive Workshop Manual 1968-1991
    Keypart Price
    £36.00 (inc VAT)
    £36.00 (ex VAT)
    List Price
    £41.00 (inc VAT)
    £41.00 (ex VAT)
    Low Stock

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  • Oil Change Pump Kit (Universal)
    Keypart Price
    £78.00 (inc VAT)
    £65.00 (ex VAT)
    List Price
    £90.00 (inc VAT)
    £75.00 (ex VAT)
    Please Contact for Stock Status

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Accessories


  • Safety Switch - Sierra Marine Works - Coiled Lanyard
    Keypart Price
    £31.20 (inc VAT)
    £26.00 (ex VAT)
    List Price
    £40.80 (inc VAT)
    £34.00 (ex VAT)
    In Stock

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  • Battery Master Switch - Sierra Marine Works - 12V/100A Continuous (12V/500A for 10 seconds)
    Keypart Price
    £20.40 (inc VAT)
    £17.00 (ex VAT)
    List Price
    £28.80 (inc VAT)
    £24.00 (ex VAT)
    In Stock

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431B Petrol Engine