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Sierra 18-3866 Head Gasket
For Use on Johnson Evinrude Outboard Engines: 120hp (1988-94) 2 head gaskets required per engine, 125hp Comm. (1992-95) 2 head gaskets required per engine, 130hp (1995-98) 2 head gaskets required per engine, 140hp (1988-94) 2 head gaskets required per engine
- For V-4 Loop Charge
- Included in Powerhead Gasket Set 18-4322
Interchangeable with:
- GLM
- 35930
- Johnson/Evinrude Outboard
- 340115
- 333549
- Mallory
- 9-63826
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3866 Head Gasket Specs
- Product MPN
- 18-3866
- Product UPC
- 30999875655
- Interchangeable with:
- GLM 35930
- Interchangeable with:
- Mallory 9-63826
- Interchangeable with:
- Johnson/Evinrude 340115, 333549
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Sierra 18-3866 Head Gasket Reviews
Sierra 18-3866 Head Gasket Questions & Answers
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