Synthetic Blend Engine Oil 5 Quart 25W40 | Sierra 18-9440-4
Synthetic Blend Engine Oil 5 Quart 25W40 | Sierra 18-9440-4
Sierra
117 in stock
Couldn't load pickup availability
Synthetic blend 25W-40 engine oil is formulated for stern drive & inboard marine engines.
- 5 Quart 25W-40 Synthetic Blend Inboard and Sterndrive Engine Oil
- 4-cycle oil is blended with premium grade synthetic and mineral base stock combined with superior design additives formulated for the stress endured by sterndrive and inboard engines
- Superior corrosion protection
- Advanced lubrication for reduction of wear to internal engine components
- Outstanding friction reduction and wear protection
- Removes thermal breakdown under high RPM's, extreme temperatures and loads
- Extensively tested for outstanding performance
- NMMA FC-W certified/API-SL
! 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.