Your Overtons.com Session is About to Expire!
Sierra Part #18-9440-3
25W-40 synthetic blend oil
Replaces Mercury, Yamaha
Sierra SAE 25W-40 synthetic blend 4-cycle marine oil. Formulated for outboard engines. Replacement for Mercury and Yamaha. 4 liters (135.2 fl.oz.). Sierra Part #18-9440-3.
OEM Part Number:
America's #1 Source for RVs and Accessories
Share your pictures
of life on the water.