SIERRA MARINE 10W-30 FC-W 4-STROKE CATALYST OIL, GAL|18-9420CAT-3

Exceeds all 4-stroke requirements including FC-W and FC-W Cat Compatible Provides superior corrosion protection under extreme conditions Industry leading wear protection and deposit control Capitalizing on "ZDDP" anti-wear additive technology Prevents phosphorous depletion and extends the emission catalyst life NMMA FC-W Certified