This OEM Mercury 2-Cycle TC-W3 Premium Marine Engine Oil (1 Gallon) is formulated to provide superior protection and performance for Mercury and Mariner 2-stroke outboards.
Designed for everyday boating applications, this clean-burning oil reduces smoke, carbon deposits, and piston scuffing, while ensuring smooth and reliable operation.
It meets NMMA TC-W3® certification standards for marine lubrication and is safe for both oil-injected and pre-mix 2-stroke systems.
Replaces OEM part number 858022K01, providing factory-grade lubrication for all standard Mercury 2-stroke engines.
Product Features
- Manufacturer: Mercury Marine (OEM)
- Application: Mercury & Mariner 2-Stroke outboards
- Type: TC-W3® Certified Premium Marine Engine Oil
- Size: 1 Gallon (3.78 Liters)
- Viscosity: SAE 40 (Marine Formulated)
- Replaces OEM #: 858022K01
- Cross Reference #: 142974, 174240, 281315, 281566, 389702, 390920, 509904, 509907, 764349, 764585, 771319, 771323, 772192, 772333, 772337, 772350, 772354, 772364, 772366, 775358, 775593, 777219, 779725, 8M0061416, 8M0229790, 8M0229791, 8M0230191, 802815A1, 802815A30, 802815E1, 802815Q1, 816839A4, 823090A6, 831228A6, 831229A6, 857382A01, 857382A1, 858022E01, 858022KC1, 858022QB1, 858022QC1, 858022Q01, 858022Q41, 858022Q51, 859040A6, 883685A01, 90021A6
- Performance: Clean-burning, low-smoke formula with anti-scuff additives
- Compatibility: Ideal for carbureted, EFI, and DFI 2-stroke engines
- Condition: 100% brand-new genuine Mercury OEM oil
- Warranty: Covered by Mercury Marine’s limited parts warranty
Additional Information
Note: Recommended for all 2-stroke Mercury and Mariner outboards that require TC-W3 oil.
This premium-grade lubricant minimizes engine deposits, prevents rust and wear, and ensures optimal throttle response.
Perfect for recreational, fishing, and commercial marine use.
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 number to confirm correct oil selection before ordering.