Description
SIERRA GM V6 Exhaust Manifold Gasket, 2-Pack – 18-2909-9 is a two-pack of exhaust-manifold-to-cylinder-head gaskets for selected GM V6 marine engine installations.
Key Features
- Two exhaust-manifold gaskets per package
- Fits selected GM V6 marine engines
- Cataloged across MerCruiser, OMC, Volvo Penta, Crusader and Yamaha applications
- Confirm the mating pattern, cooling-passage arrangement and engine application before installation.
- Cross-references MerCruiser 27-99757 and multiple OE equivalents
Specifications
- Manufacturer Part Number: 18-2909-9
- Product Type: Exhaust manifold gasket
- Package Quantity: 2
- Engine Family: GM marine V6
- Application: Multiple marine-engine brands
Interchange / Cross Reference
- MerCruiser 27-99757
- Crusader 97498
- OMC 915025 / 3853412
- Volvo Penta 856116
- Yamaha YSC-12190-00-AC
- Mallory 9-61421
Verify engine family, cylinder-head/manifold configuration and OE gasket reference before ordering.


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