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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 1–36 of 42 results

Fuel Set - Fuel Conditioner - Image
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Fuel Set – Fuel Conditioner

£ 29.95
Enzyme Energy (Soltron) Fuel Treatment 500ml - Image
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Enzyme Energy (Soltron) Fuel Treatment 500ml

£ 59.95 £ 54.95
Star Tron Diesel Additive - Image
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Star Tron Diesel Additive

£ 21.90 - £ 79.95
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

£ 17.95 - £ 69.95
Quicksilver 2-Stroke Oil 4L 30 - Image
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Quicksilver 2-Stroke Oil 4L 30

£ 64.95 £ 49.95
Quicksilver Quickstor Fuel Stabiliser 355ml - Image
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Quicksilver Quickstor Fuel Stabiliser 355ml

£ 24.95
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 Stroke Outboard Oil 1ltr - New Image
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Out of stock

Quicksilver 4 Stroke Outboard Oil 1ltr

£ 15.28 £ 14.95
Quicksilver Corrosion Guard - Image
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Quicksilver Corrosion Guard

£ 24.95
Star Tron Enzyme Fuel Treatment 250ml - Image
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Star Tron Enzyme Fuel Treatment 250ml

£ 17.92 £ 15.95
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 Diesel Oil - New Image
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Quicksilver Diesel Oil

£ 47.70 £ 46.95
Enzyme Energy (Soltron) Fuel Treatment 125mls - Image
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Enzyme Energy (Soltron) Fuel Treatment 125mls

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

Morris Golden Film 10w-40 oil

£ 40.78 £ 39.95
Liqui Moly Marine Storage Fogging Oil - Image
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Liqui Moly Marine Storage Fogging Oil

£ 16.24 £ 12.95
Liqui Moly Marine Fuel Stabiliser - Image
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Liqui Moly Marine Fuel Stabiliser

£ 22.52 £ 17.95
Liqui Moly Marine Grease - ImageLiqui Moly Marine Grease - Image
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Liqui Moly Marine Grease

£ 11.95
Liqui Moly Marine Diesel Protect - Image
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Liqui Moly Marine Diesel Protect

£ 29.95 - £ 49.95
Quicksilver 2-Stroke Oil - New Image
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Quicksilver 2-Stroke Oil

£ 15.00 £ 14.95
Liqui Moly Marine 2T Motor Oil (2 Stroke) - Image
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Liqui Moly Marine 2T Motor Oil (2 Stroke)

£ 12.95 - £ 59.95
Liqui Moly Battery Terminal Grease Spray - Image
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Liqui Moly Battery Terminal Grease Spray

£ 12.95
Liqui Moly Marine ATF - Image
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Liqui Moly Marine ATF

£ 14.74 £ 11.95
Liqui Moly Marine Single Grade SAE 30 Engine Oil - Image
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Out of stock

Liqui Moly Marine Single Grade SAE 30 Engine Oil

£ 13.37 £ 11.95
Pro Star Super Premium 4 Stroke Oil - ImagePro Star Super Premium 4 Stroke Oil - 10W 40
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Pro Star Super Premium 4 Stroke Oil

£ 19.95
Quicksilver 4 Inb Oil - Image
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Quicksilver 4 Inb Oil

£ 15.32 £ 14.95
Quicksilver 2-Stroke Premium Plus - Image
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Quicksilver 2-Stroke Premium Plus

£ 16.95
Liqui Moly Marine Fuel System Cleaner - Image
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Liqui Moly Marine Fuel System Cleaner

£ 20.23 £ 17.95
Liqui Moly Marine Super Diesel Additive - Image
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Liqui Moly Marine Super Diesel Additive

£ 29.35 £ 24.95
Pro Star Super Premium SAE 40 - 950ml - Image
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Pro Star Super Premium SAE 40 – 950ml

£ 4.60
Liqui Moly Marine Multi-Spray - Image
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Liqui Moly Marine Multi-Spray

£ 15.59 £ 11.95
Wessex Chemicals Marinsed Morendo DD Fuel Additive 1 Litre - Image
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Wessex Chemicals Marinsed Morendo DD Fuel Additive 1 Litre

£ 21.58 £ 20.95
Marine 16 Diesel Fuel Complete - Image
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Out of stock

Marine 16 Diesel Fuel Complete

£ 23.95
38%
OFF
Liqui Moly Full Synthetic 2T Motor Oil (2 Stroke) - Image
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Liqui Moly Full Synthetic 2T Motor Oil (2 Stroke)

£ 23.96 £ 14.95
Marine 16 Diesel Bug Treatment 500ml - Image
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Out of stock

Marine 16 Diesel Bug Treatment 500ml

£ 51.11 £ 44.95
Morris Golden Film SAE 30 Engine Oil - 5L - Image
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Out of stock

Morris Golden Film SAE 30 Engine Oil – 5L

£ 42.19 £ 39.95
Morris Performance plus 15W/40 Oil 5L - Image
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Out of stock

Morris Performance plus 15W/40 Oil 5L

£ 44.95