SIERRA MARINE 25W-40 FC-W SYNTHETIC BLEND CATALYST OIL, 5 QT.|18-9440CAT-4

Displays enhanced detergent properties to suspend and prevent engine sludge formation Industry leading wear protection and deposit control Prevents excessive thinning under extreme performance operations Capitalizing on "ZDDP" anti-wear additive technology Prevents phosphorous depletion and extends the emission catalyst life NMMA FC-W Certified/API-SL