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Engine Oil & Additives

Marine engine oils serve a variety of useful functions in preserving and protecting an inboard or outboard motor. Over time general wear and tear, as well as microbial contamination and excess water, can hamper the performance of a vessel’s engine. As such, boat engine oils and additives serve to protect an engine and help it last longer. Browse our selection of marine diesel oils and fuel treatments below.

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Showing 1–24 of 40 results

Marine 16 Diesel Bug Fuel Treatment - Image
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Marine 16 Diesel Bug Fuel Treatment

£ 10.95 - £ 39.95
Enzyme Energy (Soltron) Fuel Treatment 500ml - Image
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Enzyme Energy (Soltron) Fuel Treatment 500ml

£ 59.95 £ 49.95
Marine 16 Diesel Fuel Complete - Image
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Marine 16 Diesel Fuel Complete

£ 23.95
Quicksilver 2-Stroke Oil 4L 30 - New Image
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Quicksilver 2-Stroke Oil 4L 30

£ 64.95 £ 49.95
Fuel Set - Fuel Conditioner - Image
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Fuel Set – Fuel Conditioner

£ 27.96 £ 26.95
Star Tron Diesel Additive - Image
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Star Tron Diesel Additive

£ 21.90 - £ 79.95
Quicksilver Diesel Oil - New Image
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Quicksilver Diesel Oil

£ 47.70 £ 46.95
Quicksilver 2-Stroke Oil - New Image
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Quicksilver 2-Stroke Oil

£ 15.00 £ 13.95
Quicksilver Quickstor Fuel Stabiliser 355ml - Image
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Quicksilver Quickstor Fuel Stabiliser 355ml

£ 24.95
Quicksilver 2-Stroke Premium Plus - Image
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Quicksilver 2-Stroke Premium Plus

£ 16.95
Quicksilver 4 Stroke Outboard Oil 1ltr - New Image
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Quicksilver 4 Stroke Outboard Oil 1ltr

£ 15.28 £ 14.95
Morris Golden SAE 30 Engine Oil - Image
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Morris Golden SAE 30 Engine Oil

£ 42.19 £ 39.95
Star Tron Enzyme Fuel Treatment 250ml - Image
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Star Tron Enzyme Fuel Treatment 250ml

£ 17.92 £ 15.95
Enzyme Energy (Soltron) Fuel Treatment 125mls - Image
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Out of stock

Enzyme Energy (Soltron) Fuel Treatment 125mls

£ 17.95
Morris Performance plus 15W/40 Oil 5L - Image
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Out of stock

Morris Performance plus 15W/40 Oil 5L

£ 39.95
Liqui Moly Marine 4T Motor Oil - 10W-30Liqui Moly Marine 4T Motor Oil - 10W-40
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Liqui Moly Marine 4T Motor Oil

£ 12.95 - £ 69.95
Quicksilver 4-Stroke Outboard Oil 4 Litre 10w-30 - Image
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Quicksilver 4-Stroke Outboard Oil 4 Litre 10w-30

£ 55.08 £ 54.95
Quicksilver 4-Stroke Outboard Oil 4 Litre - Image
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Quicksilver 4-Stroke Outboard Oil 4 Litre

£ 51.50 £ 49.95
Quicksilver 4 Inb Oil - Image
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Quicksilver 4 Inb Oil

£ 15.32 £ 14.95
Morris Golden Film 10w-40 oil - MORRIS GOLDEN FILM SAE 10W/40
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Morris Golden Film 10w-40 oil

£ 40.78 £ 39.95
Quicksilver Quickcare Ethanol - QUICKSILVER QUICKCARE ETHANOL
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Quicksilver Quickcare Ethanol

£ 19.95
Quicksilver Quickleen Engine Clean - QUICKSILVER QUICKCARE ENGINE
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Out of stock

Quicksilver Quickleen Engine Clean

£ 17.95
Liqui Moly Marine Super Diesel Additive - Image
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Liqui Moly Marine Super Diesel Additive

£ 29.35 £ 24.95
39%
OFF
Liqui Moly Marine Storage Fogging Oil - Image
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Liqui Moly Marine Storage Fogging Oil

£ 16.24 £ 9.95