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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 - 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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  • Oil Filter - Genuine
    List Price
    £14.76 Ex VAT
    £17.71 Inc VAT
    Keypart Price
    £13.28 Ex VAT
    £15.94 Inc VAT
    In Stock

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  • Rocker Cover Gasket (2 required per engine)
    List Price
    £14.73 Ex VAT
    £17.68 Inc VAT
    Keypart Price
    £13.26 Ex VAT
    £15.91 Inc VAT
    Please Contact for Stock Status

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  • Intake Manifold Gasket Kit
    List Price
    £152.90 Ex VAT
    £183.48 Inc VAT
    Keypart Price
    £91.74 Ex VAT
    £110.09 Inc 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)
    List Price
    £50.43 Ex VAT
    £60.52 Inc VAT
    Keypart Price
    £40.34 Ex VAT
    £48.41 Inc VAT
    Low Stock

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  • 25W/40 Synthetic Blend Engine Oil 4.7 litre (Not available to customers outside the UK)
    List Price
    £57.11 Ex VAT
    £68.53 Inc VAT
    Keypart Price
    £45.69 Ex VAT
    £54.83 Inc VAT
    Low Stock

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  • Power Trim & Tilt Fluid - 8oz/237ml
    List Price
    £8.82 Ex VAT
    £10.58 Inc VAT
    Keypart Price
    £7.94 Ex VAT
    £9.53 Inc VAT
    In Stock

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  • Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £65.00 Ex VAT
    £78.00 Inc VAT
    In Stock

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Cooling System


  • Thermostat Kit 142 deg
    List Price
    £46.76 Ex VAT
    £56.11 Inc VAT
    Keypart Price
    £37.41 Ex VAT
    £44.89 Inc VAT
    In Stock

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  • Circulation Pump - ** VALUE ITEM *
    List Price
    £262.92 Ex VAT
    £315.50 Inc VAT
    Keypart Price
    £125.00 Ex VAT
    £150.00 Inc VAT
    In Stock

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  • Drain Tap Assembly - for Cylinder Block
    Keypart Price
    £5.87 Ex VAT
    £7.04 Inc VAT
    In Stock

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

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

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

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

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  • Drive Belt - for Circ Pump & Alternator
    List Price
    £37.17 Ex VAT
    £44.60 Inc VAT
    Keypart Price
    £29.74 Ex VAT
    £35.69 Inc 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
    List Price
    £30.79 Ex VAT
    £36.95 Inc VAT
    Keypart Price
    £24.63 Ex VAT
    £29.56 Inc VAT
    In Stock

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  • Sea-water Pump Impeller
    List Price
    £31.75 Ex VAT
    £38.10 Inc VAT
    Keypart Price
    £25.40 Ex VAT
    £30.48 Inc VAT
    In Stock

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  • Impeller Repair Kit for 2-piece Body
    List Price
    £126.64 Ex VAT
    £151.97 Inc VAT
    Keypart Price
    £88.65 Ex VAT
    £106.38 Inc VAT
    In Stock

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  • Impeller Repair Kit for 1-piece Plastic Body
    List Price
    £80.24 Ex VAT
    £96.29 Inc VAT
    Keypart Price
    £64.19 Ex VAT
    £77.03 Inc VAT
    Please Contact for Stock Status

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  • Engine Coupler - Replacement (Engine Alignment will need to be checked when replacing this item)
    List Price
    £538.08 Ex VAT
    £645.70 Inc VAT
    Keypart Price
    £484.27 Ex VAT
    £581.12 Inc VAT
    Please Contact for Stock Status

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  • Sea-water Pump Repair Kit with Housing
    List Price
    £115.89 Ex VAT
    £139.07 Inc VAT
    Keypart Price
    £92.71 Ex VAT
    £111.25 Inc VAT
    Please Contact for Stock Status

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Fuel System (Engine)


  • Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long
    List Price
    £11.92 Ex VAT
    £14.30 Inc VAT
    Keypart Price
    £9.54 Ex VAT
    £11.45 Inc VAT
    Low Stock

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

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  • 25-Micron Fuel Filter - Spin On - Genuine
    List Price
    £11.92 Ex VAT
    £14.30 Inc VAT
    Keypart Price
    £10.73 Ex VAT
    £12.88 Inc VAT
    In Stock

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  • Carburettor Repair Kit - Rochester 4BBL
    List Price
    £39.05 Ex VAT
    £46.86 Inc VAT
    Keypart Price
    £31.24 Ex VAT
    £37.49 Inc VAT
    In Stock

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  • Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £19.58 Ex VAT
    £23.50 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.


  • 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
    In Stock

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  • Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - Straight
    List Price
    £8.00 Ex VAT
    £9.60 Inc VAT
    Keypart Price
    £6.00 Ex VAT
    £7.20 Inc VAT
    Low Stock

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  • Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - 90 Deg
    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

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

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

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  • 25-Micron Fuel Filter - Spin On - Genuine - - for Bulkhead Mounting
    List Price
    £11.92 Ex VAT
    £14.30 Inc VAT
    Keypart Price
    £10.73 Ex VAT
    £12.88 Inc VAT
    In Stock

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Ignition System


  • Spark Plug - (8 required per engine)
    List Price
    £5.30 Ex VAT
    £6.36 Inc VAT
    Keypart Price
    £3.80 Ex VAT
    £4.56 Inc VAT
    In Stock

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  • Distributor Cap - Thunderbolt
    List Price
    £83.06 Ex VAT
    £99.67 Inc VAT
    Keypart Price
    £66.45 Ex VAT
    £79.74 Inc VAT
    In Stock

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  • Rotor/Trigger Assembly - Thunderbolt
    List Price
    £33.82 Ex VAT
    £40.58 Inc VAT
    Keypart Price
    £27.06 Ex VAT
    £32.47 Inc VAT
    In Stock

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  • Distributor Ignition Sensor - Thunderbolt
    List Price
    £91.40 Ex VAT
    £109.68 Inc VAT
    Keypart Price
    £82.26 Ex VAT
    £98.71 Inc VAT
    Low Stock

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  • Ignition Coil - Replacement - - Thunderbolt
    List Price
    £91.39 Ex VAT
    £109.67 Inc VAT
    Keypart Price
    £63.97 Ex VAT
    £76.76 Inc VAT
    Low Stock

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  • H T Lead Set - - Thunderbolt
    List Price
    £182.65 Ex VAT
    £219.18 Inc VAT
    Keypart Price
    £50.00 Ex VAT
    £60.00 Inc VAT
    In Stock

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  • H T Lead Set - Thunderbolt
    List Price
    £71.66 Ex VAT
    £85.99 Inc VAT
    Keypart Price
    £57.33 Ex VAT
    £68.80 Inc VAT
    Low Stock

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  • V8 Thunderbolt IV Distributor Assembly - Replacement
    List Price
    £391.51 Ex VAT
    £469.81 Inc VAT
    Keypart Price
    £313.21 Ex VAT
    £375.85 Inc VAT
    Special Order Usually 7 - 9 Days

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  • HT Lead Marker Set numbered 1 to 8
    List Price
    £11.00 Ex VAT
    £13.20 Inc VAT
    Keypart Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    Low Stock

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  • HT Lead Wire Separator Kit - Blue
    List Price
    £11.00 Ex VAT
    £13.20 Inc VAT
    Keypart Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    In Stock

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  • HT Lead Wire Separator Kit - Black
    List Price
    £11.00 Ex VAT
    £13.20 Inc VAT
    Keypart Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    Please Contact for Stock Status

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Electrical System


  • Marine Starter Motor Assembly - Heavy Duty with Water Drain
    List Price
    £279.00 Ex VAT
    £334.80 Inc VAT
    Keypart Price
    £125.00 Ex VAT
    £150.00 Inc VAT
    In Stock

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  • Mando 55amp Alternator
    List Price
    £351.99 Ex VAT
    £422.39 Inc VAT
    Keypart Price
    £170.00 Ex VAT
    £204.00 Inc VAT
    Low Stock

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  • Solenoid Kit - Flat Bracket - (Slave for Starter Motor)
    List Price
    £40.41 Ex VAT
    £48.49 Inc VAT
    Keypart Price
    £30.31 Ex VAT
    £36.37 Inc VAT
    Please Contact for Stock Status

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  • Temperature Sender 3/8"-18 - Spanner Size 11/16" - 1-1/2" Long
    List Price
    £39.02 Ex VAT
    £46.82 Inc VAT
    Keypart Price
    £31.22 Ex VAT
    £37.46 Inc VAT
    Low Stock

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  • Oil Pressure Sender
    List Price
    £64.35 Ex VAT
    £77.22 Inc VAT
    Keypart Price
    £51.60 Ex VAT
    £61.92 Inc VAT
    In Stock

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  • 50amp Reset Fuse Unit
    List Price
    £125.00 Ex VAT
    £150.00 Inc VAT
    Keypart Price
    £87.50 Ex VAT
    £105.00 Inc VAT
    In Stock

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  • Stop Switch Lanyard - Genuine
    Keypart Price
    £16.18 Ex VAT
    £19.42 Inc VAT
    In Stock

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  • Oil Pressure Switch for Alarm - Genuine
    List Price
    £37.68 Ex VAT
    £45.22 Inc VAT
    Keypart Price
    £33.91 Ex VAT
    £40.69 Inc VAT
    In Stock

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  • Temperature Switch for Alarm - Genuine
    List Price
    £136.38 Ex VAT
    £163.66 Inc VAT
    Keypart Price
    £122.74 Ex VAT
    £147.29 Inc VAT
    In Stock

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Repair Items


  • Timing Cover to Block gasket
    List Price
    £14.52 Ex VAT
    £17.42 Inc VAT
    Keypart Price
    £10.16 Ex VAT
    £12.19 Inc VAT
    Special Order Usually 7 - 9 Days

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

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  • Flywheel Ring Gear For 14" GM Flywheel - Replacement (168 Teeth)
    List Price
    £181.00 Ex VAT
    £217.20 Inc VAT
    Keypart Price
    £100.00 Ex VAT
    £120.00 Inc VAT
    In Stock

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Repair Kits


  • Sump Gasket Kit
    List Price
    £47.15 Ex VAT
    £56.58 Inc VAT
    Keypart Price
    £33.01 Ex VAT
    £39.61 Inc VAT
    In Stock

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  • Timing Cover Gasket Kit
    List Price
    £10.41 Ex VAT
    £12.49 Inc VAT
    Keypart Price
    £9.37 Ex VAT
    £11.24 Inc 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)
    List Price
    £7.30 Ex VAT
    £8.76 Inc VAT
    Keypart Price
    £3.50 Ex VAT
    £4.20 Inc VAT
    In Stock

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  • Loctite Threadlock 10ml
    List Price
    £26.00 Ex VAT
    £31.20 Inc VAT
    Keypart Price
    £21.00 Ex VAT
    £25.20 Inc VAT
    Low Stock

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  • Loctite Threadlock 50ml
    List Price
    £60.00 Ex VAT
    £72.00 Inc VAT
    Keypart Price
    £50.00 Ex VAT
    £60.00 Inc VAT
    In Stock

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  • Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons
    Keypart Price
    £19.58 Ex VAT
    £23.50 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
    £21.29 Ex VAT
    £25.55 Inc VAT
    Keypart Price
    £19.16 Ex VAT
    £22.99 Inc VAT
    In Stock

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Tools & Manuals


  • Engine & Sterndrive Workshop Manual 1964-1992
    List Price
    £41.00 Ex VAT
    £41.00 Inc VAT
    Keypart Price
    £36.00 Ex VAT
    £36.00 Inc VAT
    In Stock

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  • Engine & Sterndrive Workshop Manual 1992-2001
    List Price
    £41.00 Ex VAT
    £41.00 Inc VAT
    Keypart Price
    £36.00 Ex VAT
    £36.00 Inc VAT
    In Stock

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  • Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £65.00 Ex VAT
    £78.00 Inc VAT
    In Stock

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Accessories


  • Safety Switch - Sierra Marine Works - Coiled Lanyard
    List Price
    £34.00 Ex VAT
    £40.80 Inc VAT
    Keypart Price
    £26.00 Ex VAT
    £31.20 Inc VAT
    Please Contact for Stock Status

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  • Battery Master Switch - Sierra Marine Works - 12V/100A Continuous (12V/500A for 10 seconds)
    List Price
    £24.00 Ex VAT
    £28.80 Inc VAT
    Keypart Price
    £17.00 Ex VAT
    £20.40 Inc VAT
    Please Contact for Stock Status

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502 MAG Petrol Engine Parts