4-STROKE MINERAL FORMULATION CATALYST OUTBOARD ENGINE OIL 10W30 (SIERRA) 12 Quart 10W30

• Approved for all 4-Stroke applications including Outboard, Sterndrive and Inboard. Exceeds all 4-Stroke requirements including FC-W and FC-W Cat Compatible


• Capitalizing on "ZDDP" anti-wear additive technology to prevent phosphorus depletion and extend the emission catalyst life.

A highly refined petroleum product formulated with premium base stock and highly refined additives. Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda.
Sold in case packs only.

• Excellent anti-wear characteristics reduces friction


• Formulated to offer maximum corrosion protection


• Reduces sludge to keep engine cleaner for better efficiency


• Low temperature viscosity offers better cold starting


• Meets and exceeds quality performance API SJ, CF-2, CH-4

Sierra 9420CAT2 4-Stroke Mineral Forumulation Marine Outboard Engine Oil, 10W-30, Qt.