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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
Quicksilver 2-Stroke Oil 4L 30 - Image
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Quicksilver 2-Stroke Oil 4L 30

£64.95 £49.95
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
Star Tron Diesel Additive - Image
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Star Tron Diesel Additive

£21.90 - £79.95
Enzyme Energy (Soltron) Fuel Treatment 125mls - Image
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Out of stock

Enzyme Energy (Soltron) Fuel Treatment 125mls

£14.95
Star Tron Enzyme Fuel Treatment 250ml - Image
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Star Tron Enzyme Fuel Treatment 250ml

£17.92 £15.95
Marine 16 Diesel Bug Fuel Treatment 100ml - Image
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Marine 16 Diesel Bug Fuel Treatment 100ml

£14.38 £11.95
Quicksilver Corrosion Guard - Image
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Quicksilver Corrosion Guard

£24.95
Liqui Moly Marine Diesel Protect - Image
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Liqui Moly Marine Diesel Protect

£29.95 - £49.95
Quicksilver 4 Stroke Outboard Oil 1ltr - New Image
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Quicksilver 4 Stroke Outboard Oil 1ltr

£15.28 £14.95
Liqui Moly Marine Grease - ImageLiqui Moly Marine Grease - Image
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Liqui Moly Marine Grease

£11.95
Liqui Moly Marine ATF - Image
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Out of stock

Liqui Moly Marine ATF

£14.74 £11.95
Quicksilver Quickstor Fuel Stabiliser 355ml - Image
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Quicksilver Quickstor Fuel Stabiliser 355ml

£24.95
Quicksilver Diesel Oil - New Image
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Quicksilver Diesel Oil

£47.70 £46.95
Morris Performance plus 15W/40 Oil 5L - Image
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Morris Performance plus 15W/40 Oil 5L

£44.95
Liqui Moly Marine Fuel Stabiliser - Image
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Liqui Moly Marine Fuel Stabiliser

£22.52 £17.95
Liqui Moly Marine Storage Fogging Oil - Image
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Liqui Moly Marine Storage Fogging Oil

£16.24 £12.95
Liqui Moly Battery Terminal Grease Spray - Image
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Liqui Moly Battery Terminal Grease Spray

£12.95
Marine 16 Diesel Fuel Complete - Image
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Marine 16 Diesel Fuel Complete

£23.95
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 Engine Flush Plus - Image
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Liqui Moly Engine Flush Plus

£11.15 £9.95
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
38%
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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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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 Aqua Max Outboard Oil 2 - MORRIS AQUA MAX OUTBOARD OIL 2
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Out of stock

Morris Aqua Max Outboard Oil 2

£10.95
Liqui Moly Marine 2T DFI Motor Oil (2 Stroke) - Image
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Liqui Moly Marine 2T DFI Motor Oil (2 Stroke)

£105.66 £99.95
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
Liqui Moly Marine Single Grade SAE 30 Engine Oil - Image
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Liqui Moly Marine Single Grade SAE 30 Engine Oil

£13.37 £11.95
Quicksilver Quickcare Ethanol - QUICKSILVER QUICKCARE ETHANOL
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Quicksilver Quickcare Ethanol

£19.95