Sierra 10W-30 4-Stroke Synthetic Marine Oil - MW
Sierra 10W-30 4-Stroke Synthetic Marine Oil
Sierra 10W-30 Synthetic Blend Engine Oil is formulated specifically for 4-stroke outboard and sterndrive engine technology. The special blend of synthetic base oil and a balanced additive system exceeds FC-W requirements and provides excellent protection at high temperatures. This superior protection works under heavy engine loads and offers faster lubrication at start up.
Note: Do NOT mix with gas - NOT for use in 2 cycle premix or injection engines.
How much oil does my engine need?
It varies model to model, check out our Engine Oil Capacity Guide for more information and capacity charts!
Features:
- Recommended for use in both outboard and sterndrive applications
- Offers faster lubrication at start up in low temperatures
- Excellent protection at high temperatures
- Greater resistance to oxidation for lower oil consumption
- NMMA FC-W Certified/API-SL
- Sold in quarts and gallon sizes
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov


