Description
SIERRA 15W-40 Heavy-Duty Marine Engine Oil, 5 qt – 18-9554-4 is the 5-quart package of Sierra heavy-duty 15W-40 oil for inboard engines operating under high loads and extended duty cycles.
It meets API CK-4-class performance and is suited to common marine inboard applications that specify 15W-40, while remaining unsuitable for gasoline catalyst engines unless explicitly approved.
Key Features
- SAE 15W-40 viscosity for heavy-duty inboard service
- API CK-4 performance for demanding engine operation
- Designed for cruiser, ski-boat and towboat duty cycles
- Five-quart package supports common marine oil-change capacities
- Not intended for gasoline engines equipped with catalytic converters
Specifications
- Manufacturer Part Number: 18-9554-4
- Container: 5 US qt / 4.7 L
- 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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