•  Free shipping on UK orders over £75 (£5.95 for UK orders under £75)
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YANMAR Premium Marine 15W40 Engine Oil - 5L

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MPN 15W40-5L


Delivery Information

Currently we only deliver to the UK (inc. Northern Ireland), Channel Islands, Norway, Australia, New Zealand, Canada and USA for online ordering - please contact us on sales@bottomlinemarine.com if you live elsewhere.

Free shipping on UK orders over £75 (£5.95 for UK orders under £75)
Excludes certain heavy items
All prices include UK VAT - No customs or duty fees for UK orders


YANMAR Premium Marine 15W40 Engine Oil


Standard Shipping is for UK Mainland only - Due to Brexit the cost of shipping oils to Northern & Southern Ireland has increased. This cannot be calculated at check-out. Please place your order as normal and we will contact you to notify the additional shipping costs.

Genuine Yanmar Parts & Accessories

Yanmar Genuine High Performance Diesel Engine Oil meets the latest API certification standards and contains superior additives and detergents.

This product is specifically designed to prolong the life of Yanmar Diesel engines. Features include:

Valve Train and Piston Wear Protection
Advanced Soot Control Protection
Superior TBN Retention
Specifically formulated to provide extra protection for the demands of Yanmar marine and tractor diesel engines.
Formulated with premium Group II base oil, provides advanced soot control and cold weather protection.

Meets performance criteria for API CI-4 classification.

This oil is CI-4 but meets or exceeds API CH-4, CG-4, CF-4, CF/SJ, the Global DHD-1 specification and all major diesel engine manufacturers.

Note regarding warning in Yanmar owners manual not to use API Service Category CG-4 or CH-4 oils: - CG-4 and CH-4 are an older specifications of oil no longer commonly available today. Yanmar 15W40 oil is a API CI-4 class oil. CI-4 exceeds the older CG-4 and CH-4 specification. Therefore engines requiring CG-4 and CH-4 are able to use this oil.

Specification List

Type Oil - Diesel Engine Sub-Type Inboard Diesel engine oil