Description
SIERRA 10W-30 Catalyst-Compatible 4-Stroke Marine Oil, 1 qt – 18-9420CAT-2 is a premium-blend 10W-30 oil formulated for four-stroke recreational marine engines with or without catalyst exhaust systems.
It combines corrosion protection, deposit control and anti-wear chemistry with catalyst-compatible performance for engines that specify 10W-30 marine oil.
Key Features
- SAE 10W-30 viscosity
- Compatible with catalyst-equipped four-stroke marine engines
- Meets FC-W and FC-W Cat-compatible requirements
- ZDDP-based anti-wear protection
- Detergency and corrosion protection for marine operating conditions
Specifications
- Manufacturer Part Number: 18-9420CAT-2
- Container: 1 US qt / 946 mL
- Viscosity: SAE 10W-30
- Engine Cycle: 4-stroke
- Certification: NMMA FC-W; FC-W Cat compatible
Interchange / Cross Reference
- Mercury Marine 92-8M0078625
- Mercury Marine 92-8M0078626
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