Product
For use in Sierra, Mercruiser, Mallory, and Chrysler Inboards, the Sierra M/C Head Gasket (1) was created. Sierras built between 1976 and 1989 can use OMC Stern Drive head gaskets. These engines on the lists below are interchangeable with this Sierra replacement engine component. WARNING: CA PROPOSITION 65 Interchangeable with:
- Chrysler Inboard
4417375
- GLM
36120
- Mallory
9-63702 9-63711
- Mercruiser Stern Drive
27-13709T 27-13709 27-92166 27-79986 27-74264 27-921661
- OMC Stern Drive
912766 Key features:
- Meets the quality of the original equipment
- Part number 18-3851 for Sierra
- Sierra replacement engine components are created to adhere to OEM requirements. Fits MCM 3.7L engines are the Sierra 18-3878 head gasket (1976-1989).
- For the 460 Ford
Specifications:
- SKU: 18-3878
- UPC: 808282258931
- Weight: 0.62 LBS
- Alternate Products SKU: “13709”, “REC27-13709”, “18-3878”
- Manufacturer Part Number (MPN): 118-3878
- Manufacturer: Sierra Marine Engines
- Brand: SeaStar Solutions
For: 460 Ford, MCM 3.7L engines (1976-1989)
This product replaces:
- 4417375, 47-3878, GLM36120, 808282258931, 27-13709T, AP551, 9-63702, 92-36120D








