Premium Blend 10W-30 4-Stroke Oil Gallon | Sierra 18-9420-3
Premium Blend 10W-30 4-Stroke Oil Gallon | Sierra 18-9420-3
Sierra
89 in stock
Couldn't load pickup availability
Premium Blend 10W-30 4-Stroke Oil Gallon | Sierra 18-9420-3
Premium Blend 10W-30 4-Stroke Oil 1 Gallon | 18-9420-3
Premium blend 10W-30 engine oil is specially formulated to meet the needs of 4-stroke outboard engines.
- Sierra premium blend outboard engine oil
- SAE 10W-30
- 1 gallon jug
- Petroleum based formula with highly refined additives
- Recommended for 4-stroke gasoline outboard motors
- Developed specifically for the marine environment and the high running stresses marine engines encounter
- Reduces friction and has excellent anti-wear properties
- Protects internal engine components from rust, corrosion, and from sticking piston rings
- Low temperature viscosity
- Meets or exceeds quality performance API SJ, CF-2 & CH-4
- NMMA FC-W certified
- Replaces Honda 08209-10W30MFC-W
- Replaces Mercury 92-8M0078626
- Replaces Yamaha LUB10W30-FC-04
- Replaces Mallory 9-82351

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.