The Sierra 18-9400-4 Engine Oil is formulated to lubricate and protect compatible marine engines under normal operating loads.
Formulated to provide excellent lubrication and corrosion protection
Stern drive and inboard engines operate under high load and running stresses
Developed for the marine environment and will out perform standard 4-cycle automotive engine oils
Offers excellent detergency, anti-oxidants, antiwear, and corrosion protection
Reduced wear to the internal components
Protection of internal parts from corrosion
Cleaner pistons and prevention of ring sticking
Excellent low temperature operating properties
Meets or exceeds quality performance: API SJ, CF-4, and CH-4
NMMA FC-W Certified
Recommended for use in Mercruiser and OMC
What is Sierra 18-9400-4?
Sierra 18-9400-4 is a engine oil.
Which part numbers cross-reference Sierra 18-9400-4?
This listing cross-references Mallory 9-82382, Mercury 8M0078640 and Mercury 92-857389A1. See the Cross References & Alternative Products section above for linked alternatives where available.
Please Note: Oils and coolants are shipped via road freight only, or are available for pickup from our Sydney (Northern Beaches) fulfilment centre.
Australian Dollars
