This OEM Yamaha Yamalube 20W-40 4-Stroke Marine Engine Oil (Gallon) is the factory-recommended oil for Yamaha 4-Stroke outboard engines.
Engineered to deliver superior lubrication, corrosion resistance, and thermal stability, it provides exceptional performance in high-load, high-temperature marine environments.
Yamalube 20W-40 meets NMMA FC-W® certification standards, ensuring compliance with Yamaha’s stringent protection and performance requirements.
Replaces OEM part numbers LUB-20W40-FC-04 and ACC-Y4M20-40-04, ensuring true factory-grade quality.
Product Features
- Manufacturer: Yamaha Marine (OEM)
- Application: Yamaha 4-Stroke Outboard Engines
- Type: Genuine Yamalube marine engine oil
- Viscosity Grade: SAE 20W-40
- Size: 1 Gallon (3.78 Liters)
- Replaces OEM #: LUB-20W40-FC-04, ACC-Y4M20-40-04
- Manufacturer Item #: FC2040
- Certification: NMMA FC-W® Certified for marine 4-stroke engines
- Condition: 100% brand-new genuine Yamaha OEM oil
- Warranty: Covered under Yamaha Marine’s limited parts warranty
Additional Information
Note: Ideal for warm-to-hot weather operation and heavy-load 4-stroke outboards.
Provides advanced protection against oxidation, corrosion, and shear breakdown for extended engine life.
For cooler climates, Yamalube 10W-30 is recommended for optimal performance.
Always check your owner’s manual for correct oil viscosity and change intervals.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
You will receive an email and a PayPal money request for the additional shipping charges at the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com .
Please include your engine model or oil requirements to verify the correct selection before ordering.
