Description
SIERRA 15W-40 Heavy-Duty Marine Engine Oil, 1 qt – 18-9554-2
SIERRA 15W-40 Heavy-Duty Marine Engine Oil, 1 qt – 18-9554-2 is formulated for demanding inboard marine engines used in cruisers, ski boats and towboats.
It supports heavy-duty lubrication requirements across fuel sulfur levels and is intended for engines specifying 15W-40 oil. Sierra specifically cautions against use in gasoline engines equipped with catalytic converters.
Key Features
- SAE 15W-40 heavy-duty marine formulation
- Meets API service classification up to CK-4
- Also meets API SM performance requirements where applicable
- Suitable for heavy-duty inboard cruiser and towboat service
- Not intended for gasoline engines equipped with catalytic converters
Specifications
- Manufacturer Part Number: 18-9554-2
- Container: 1 US qt / 946 mL
- Viscosity: SAE 15W-40
- Performance: API CK-4; API SM performance
- Application: Heavy-duty inboard / ski / towboat engines
Interchange / Cross Reference
- Application families include MerCruiser, Indmar, Pleasurecraft, Crusader, Volvo Penta and MasterCraft where 15W-40 CK-4 oil is specified
Do not use in gasoline engines equipped with catalytic converters unless specifically approved by the engine manufacturer.
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