Description
SIERRA MerCruiser Dry-Joint Restricted Riser Gasket – 18-0722
A restricted cooling-passage gasket used between dry-joint exhaust components on compatible MerCruiser applications.
- Application: Specified 2002-up GM V6/V8 MerCruiser dry-joint exhaust systems using standard cooling; 4.3L, 5.0L, 5.7L and 6.2L families as applicable.
- Primary function: Dry-joint riser gasket
- Key specification: Flow configuration – Restricted
- OEM / aftermarket cross-reference: MerCruiser: 27-864850A02, 27-864850A01
- 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 2002-up GM V6/V8 MerCruiser dry-joint exhaust systems using standard cooling; 4.3L, 5.0L, 5.7L and 6.2L families as applicable.
Specifications
- Component: Dry-joint riser gasket
- Flow configuration: Restricted
- Cooling configuration: Standard cooling
- Engine family: GM V6 / V8
- Model era: 2002-up specified applications
Interchange / Replaces
- MerCruiser: 27-864850A02, 27-864850A01


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