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Browse a selection from Rock Oil’s vast range. We’re regularly adding and updating items on our product set, but if you can’t immediately find what you’re looking for, contact us for expert advice, or use our lubricant selector to find the right oil for your vehicle.
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MARINE-GUARD™ 30 (12 TBN)
A high performance, medium alkalinity, diesel engine oil for medium and high speed trunk piston diesel engines. MARINE-GUARD 30 (12 TBN) is manufactured with high quality base oils and market...
MARINE-GUARD™ 3015 TP
High performance, medium alkalinity engine oils for medium and high-speed trunk piston marine diesel engines. They are manufactured with high-quality base oils and market-leading additives.
These lubricants are suitable for use...
MARINE-GUARD™ 4015 TP
High performance, medium alkalinity engine oils for medium and high-speed trunk piston marine diesel engines. They are manufactured with high-quality base oils and market-leading additives.
These lubricants are suitable for use...