Sierra – 10W30 4-Stroke Catalyst Outboard Engine Oil – 55 Gallon Drum – 9420CAT7
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.
- Size – 55 Gallon Drum
- Grade – 10W30
- 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
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.








