Sierra 9421CAT2 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Qt.
$13.39
Sierra 9421CAT2 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Qt.
Description
Sierra 9421CAT2 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Qt.
Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems
Approved for all 4-stroke applications including Outboard, Sterndrive and Inboard
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
For use in Mercury 4-Cycle Outboard Engines requiring 10W-30 Sold in case packs only




