SIERRA GM 305/350 Exhaust Manifold Gasket Set – 18-0604

Description

SIERRA GM 305/350 Exhaust Manifold Gasket Set – 18-0604

A cylinder-head-to-exhaust-manifold gasket set for common GM small-block 305/350 marine exhaust systems.

• Application: GM 305/350 CID small-block marine engines using the compatible Sierra center-riser exhaust manifold family.
• Primary function: Exhaust manifold gasket set
• Key specification: Engine family – GM 305 / 350 CID small-block
• OEM / aftermarket cross-reference: GLM: 39910
• 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: GM 305/350 CID small-block marine engines using the compatible Sierra center-riser exhaust manifold family.

Specifications

• Component: Exhaust manifold gasket set
• Engine family: GM 305 / 350 CID small-block
• Confirm the mating pattern, cooling-passage arrangement and engine application before installation.

Interchange / Replaces

• GLM: 39910