Your Overtons.com Session is About to Expire!
Sierra Part #18-9420-7P
For Mercury Marine engine
Sierra 10W=30 oil for Mercury Marine engine. Highly refined petroleum product formulated with premium base stock and highly refined additives. Excellent anti-wear characteristics. Reduces friction for easier starting. Offers maximum corrosion protection. Reduces sludge for cleaner engine efficiency. Includes four 55-gallon drums of oil. Sierra Part #18-9420-7P.
Share your pictures
of life on the water.