Description
SIERRA MerCruiser 3.7L Cylinder Head Gasket – 18-3878
The SIERRA MerCruiser 3.7L Cylinder Head Gasket – 18-3878 is a fit-specific marine service component for Selected MerCruiser 3.7L marine engines from specified 1976-1989 applications. It is intended to replace the corresponding OEM service part where the listed interchange and engine application match. Confirm the engine model, serial/year range and OEM number before installation.
- Replacement cylinder-head gasket for selected MerCruiser 3.7L marine engines
- Applicable to specified 1976-1989 engine configurations
- Cross-references multiple MerCruiser service numbers
- Suitable for cylinder-head repair and overhaul work
- Confirm engine year/serial range and OEM number before installation
Specifications
- Manufacturer: Sierra
- Part Number: 18-3878
- Product Type: Cylinder Head Gasket
- Application: Selected MerCruiser 3.7L marine engines from specified 1976-1989 applications
- OEM / Aftermarket Interchange: MerCruiser 27-13709, 27-13709T, 74264, 79986, 92166, 92166-1; OMC 912766; GLM 36120; Mallory 9-63702, 9-63711
- UPC: 808282258931

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