Description
SIERRA GM 5.0L / 5.7L Center-Bolt Valve Cover Gasket – 18-0664
A replacement rocker/valve-cover gasket for later GM small-block marine engines with center-bolt valve-cover construction.
- Application: Specified GM 305/350 CID, 5.0L and 5.7L marine engines using center-bolt valve covers.
- Primary function: Valve cover gasket
- Key specification: Engine family – GM 305 / 350 CID
- OEM / aftermarket cross-reference: GLM: 30357; Mallory: 9-61305; Mercruiser Stern Drive: 27-17467, 27-8M0150306, FI1101287; OMC Stern Drive: 3852687, 913270; Volvo Penta: 3852687, 856072; Crusader: 7231330; MerCruiser: 27-17467, 27-8M0150306, FI1101287; OMC: 3852687, 913270
- Verify mating surfaces and follow the engine or drive service procedure during installation.
This part is application-specific. Confirm the OEM number and engine or drive configuration before installation.
Application: Specified GM 305/350 CID, 5.0L and 5.7L marine engines using center-bolt valve covers.
Specifications
- Component: Valve cover gasket
- Engine family: GM 305 / 350 CID
- Displacement: 5.0L / 5.7L
- Valve cover style: Center bolt
Interchange / Replaces
- GLM: 30357
- Mallory: 9-61305
- Mercruiser Stern Drive: 27-17467, 27-8M0150306, FI1101287
- OMC Stern Drive: 3852687, 913270
- Volvo Penta: 3852687, 856072
- Crusader: 7231330
- MerCruiser: 27-17467, 27-8M0150306, FI1101287
- OMC: 3852687, 913270

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