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502 MAG Petrol Engine Parts

A serial number between the range of 0C878221 - 0D824588

Manufactured between the years of 1990 - 1992


Service Items


  • Oil Filter - Replacement
    Keypart Price
    £12.40 (inc VAT)
    £10.33 (ex VAT)
    List Price
    £17.71 (inc VAT)
    £14.76 (ex VAT)
    Low Stock

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  • Oil Filter - Chrome - Replacement
    Keypart Price
    £16.32 (inc VAT)
    £13.60 (ex VAT)
    List Price
    £20.40 (inc VAT)
    £17.00 (ex VAT)
    In Stock

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  • Oil Filter - Genuine
    Keypart Price
    £15.94 (inc VAT)
    £13.28 (ex VAT)
    List Price
    £17.71 (inc VAT)
    £14.76 (ex VAT)
    In Stock

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  • Rocker Cover Gasket (2 required per engine)
    Keypart Price
    £15.91 (inc VAT)
    £13.26 (ex VAT)
    List Price
    £17.68 (inc VAT)
    £14.73 (ex VAT)
    In Stock

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  • Intake Manifold Gasket Kit
    Keypart Price
    £110.09 (inc VAT)
    £91.74 (ex VAT)
    List Price
    £183.48 (inc VAT)
    £152.90 (ex VAT)
    In Stock

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Lubricants

Engine oil capacity is approximately 7.6 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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  • Power Trim & Tilt Fluid - 8oz/237ml
    Keypart Price
    £9.53 (inc VAT)
    £7.94 (ex VAT)
    List Price
    £10.58 (inc VAT)
    £8.82 (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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Cooling System


  • Thermostat Kit 142 deg
    Keypart Price
    £44.89 (inc VAT)
    £37.41 (ex VAT)
    List Price
    £56.11 (inc VAT)
    £46.76 (ex VAT)
    In Stock

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  • Circulation Pump - ** VALUE ITEM *
    Keypart Price
    £150.00 (inc VAT)
    £125.00 (ex VAT)
    List Price
    £315.50 (inc VAT)
    £262.92 (ex VAT)
    Please Contact for Stock Status

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  • Drain Tap Assembly - for Cylinder Block
    Keypart Price
    £7.04 (inc VAT)
    £5.87 (ex VAT)
    In Stock

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  • Exhaust Manifold (2 required per engine) - ** VALUE ITEM **
    Keypart Price
    £300.00 (inc VAT)
    £250.00 (ex VAT)
    List Price
    £1,071.86 (inc VAT)
    £893.22 (ex VAT)
    In Stock

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  • High Quality 4" OD Exhaust Riser Kit (including Gasket) 2 required per engine - Replacement
    Keypart Price
    £210.00 (inc VAT)
    £175.00 (ex VAT)
    List Price
    £328.34 (inc VAT)
    £273.62 (ex VAT)
    In Stock

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  • Exhaust Manifold to Head Gasket (2 required per engine)
    Keypart Price
    £20.52 (inc VAT)
    £17.10 (ex VAT)
    List Price
    £25.64 (inc VAT)
    £21.37 (ex VAT)
    In Stock

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  • Exhaust Riser to Manifold Gasket (2 required per engine)
    Keypart Price
    £16.99 (inc VAT)
    £14.16 (ex VAT)
    List Price
    £20.84 (inc VAT)
    £17.37 (ex VAT)
    In Stock

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  • Drive Belt - for Circ Pump & Alternator
    Keypart Price
    £35.69 (inc VAT)
    £29.74 (ex VAT)
    List Price
    £44.60 (inc VAT)
    £37.17 (ex VAT)
    In Stock

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


  • Drive Belt - for Sea-water Pump
    Keypart Price
    £29.56 (inc VAT)
    £24.63 (ex VAT)
    List Price
    £36.95 (inc VAT)
    £30.79 (ex VAT)
    In Stock

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  • Sea-water Pump Impeller
    Keypart Price
    £30.48 (inc VAT)
    £25.40 (ex VAT)
    List Price
    £38.10 (inc VAT)
    £31.75 (ex VAT)
    In Stock

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  • Impeller Repair Kit for 2-piece Body
    Keypart Price
    £106.38 (inc VAT)
    £88.65 (ex VAT)
    List Price
    £151.97 (inc VAT)
    £126.64 (ex VAT)
    In Stock

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  • Impeller Repair Kit for 1-piece Plastic Body
    Keypart Price
    £77.03 (inc VAT)
    £64.19 (ex VAT)
    List Price
    £96.29 (inc VAT)
    £80.24 (ex VAT)
    In Stock

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  • Sea-water Pump Repair Kit with Housing
    Keypart Price
    £111.25 (inc VAT)
    £92.71 (ex VAT)
    List Price
    £139.07 (inc VAT)
    £115.89 (ex VAT)
    In Stock

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Fuel System (Engine)


  • Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long
    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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  • 25-Micron Fuel Filter - Spin On - Genuine
    Keypart Price
    £12.88 (inc VAT)
    £10.73 (ex VAT)
    List Price
    £14.30 (inc VAT)
    £11.92 (ex VAT)
    In Stock

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  • Carburettor Repair Kit - Rochester 4BBL
    Keypart Price
    £37.49 (inc VAT)
    £31.24 (ex VAT)
    List Price
    £46.86 (inc VAT)
    £39.05 (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 - - for Bulkhead Mounting
    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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  • 25-Micron Fuel Filter - Spin On - Genuine - - for Bulkhead Mounting
    Keypart Price
    £12.88 (inc VAT)
    £10.73 (ex VAT)
    List Price
    £14.30 (inc VAT)
    £11.92 (ex VAT)
    In Stock

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Ignition System


  • Spark Plug - (8 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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  • Distributor Cap - Thunderbolt
    Keypart Price
    £79.74 (inc VAT)
    £66.45 (ex VAT)
    List Price
    £99.67 (inc VAT)
    £83.06 (ex VAT)
    In Stock

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  • Rotor/Trigger Assembly - Thunderbolt
    Keypart Price
    £32.47 (inc VAT)
    £27.06 (ex VAT)
    List Price
    £40.58 (inc VAT)
    £33.82 (ex VAT)
    In Stock

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  • Distributor Ignition Sensor - Thunderbolt
    Keypart Price
    £98.71 (inc VAT)
    £82.26 (ex VAT)
    List Price
    £109.68 (inc VAT)
    £91.40 (ex VAT)
    In Stock

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  • Ignition Coil - Replacement - - Thunderbolt
    Keypart Price
    £76.76 (inc VAT)
    £63.97 (ex VAT)
    List Price
    £109.67 (inc VAT)
    £91.39 (ex VAT)
    Low Stock

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  • H T Lead Set - - Thunderbolt
    Keypart Price
    £60.00 (inc VAT)
    £50.00 (ex VAT)
    List Price
    £219.18 (inc VAT)
    £182.65 (ex VAT)
    In Stock

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  • H T Lead Set - Thunderbolt
    Keypart Price
    £68.80 (inc VAT)
    £57.33 (ex VAT)
    List Price
    £85.99 (inc VAT)
    £71.66 (ex VAT)
    In Stock

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  • V8 Thunderbolt IV Distributor Assembly - Replacement
    Keypart Price
    £375.85 (inc VAT)
    £313.21 (ex VAT)
    List Price
    £469.81 (inc VAT)
    £391.51 (ex VAT)
    Special Order Usually 7 - 9 Days

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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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  • Mando 55amp Alternator
    Keypart Price
    £204.00 (inc VAT)
    £170.00 (ex VAT)
    List Price
    £422.39 (inc VAT)
    £351.99 (ex VAT)
    In Stock

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  • Solenoid Kit - Flat Bracket - (Slave for Starter Motor)
    Keypart Price
    £36.37 (inc VAT)
    £30.31 (ex VAT)
    List Price
    £48.49 (inc VAT)
    £40.41 (ex VAT)
    In Stock

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  • Temperature Sender 3/8"-18 - Spanner Size 11/16" - 1-1/2" Long
    Keypart Price
    £37.46 (inc VAT)
    £31.22 (ex VAT)
    List Price
    £46.82 (inc VAT)
    £39.02 (ex VAT)
    In Stock

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  • Oil Pressure Sender
    Keypart Price
    £61.92 (inc VAT)
    £51.60 (ex VAT)
    List Price
    £77.22 (inc VAT)
    £64.35 (ex VAT)
    In Stock

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  • 50amp Reset Fuse Unit
    Keypart Price
    £107.52 (inc VAT)
    £89.60 (ex VAT)
    List Price
    £153.60 (inc VAT)
    £128.00 (ex VAT)
    In Stock

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  • Stop Switch Lanyard - Genuine
    Keypart Price
    £19.42 (inc VAT)
    £16.18 (ex VAT)
    In Stock

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  • Oil Pressure Switch for Alarm - Genuine
    Keypart Price
    £40.69 (inc VAT)
    £33.91 (ex VAT)
    List Price
    £45.22 (inc VAT)
    £37.68 (ex VAT)
    In Stock

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  • Temperature Switch for Alarm - Genuine
    Keypart Price
    £147.29 (inc VAT)
    £122.74 (ex VAT)
    List Price
    £163.66 (inc VAT)
    £136.38 (ex VAT)
    In Stock

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Repair Items


  • Timing Cover to Block gasket
    Keypart Price
    £12.19 (inc VAT)
    £10.16 (ex VAT)
    List Price
    £17.42 (inc VAT)
    £14.52 (ex VAT)
    Special Order Usually 7 - 9 Days

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  • Power Steering Pump Assembly (NO Pulley) - Replacement
    Keypart Price
    £546.00 (inc VAT)
    £455.00 (ex VAT)
    List Price
    £869.77 (inc VAT)
    £724.81 (ex VAT)
    In Stock

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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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Repair Kits


  • Sump Gasket Kit
    Keypart Price
    £39.61 (inc VAT)
    £33.01 (ex VAT)
    List Price
    £56.58 (inc VAT)
    £47.15 (ex VAT)
    In Stock

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  • Timing Cover Gasket Kit
    Keypart Price
    £11.24 (inc VAT)
    £9.37 (ex VAT)
    List Price
    £12.49 (inc VAT)
    £10.41 (ex VAT)
    Special Order Usually 3 - 5 Days

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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.


  • Black Touch-up Paint 10ml (Shipping restrictions may apply)
    Keypart Price
    £4.20 (inc VAT)
    £3.50 (ex VAT)
    List Price
    £8.76 (inc VAT)
    £7.30 (ex VAT)
    In Stock

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  • 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 1964-1992
    Keypart Price
    £36.00 (inc VAT)
    £36.00 (ex VAT)
    List Price
    £41.00 (inc VAT)
    £41.00 (ex VAT)
    In Stock

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  • Engine & Sterndrive Workshop Manual 1992-2001
    Keypart Price
    £36.00 (inc VAT)
    £36.00 (ex VAT)
    List Price
    £41.00 (inc VAT)
    £41.00 (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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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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502 MAG Petrol Engine Parts