Sierra 18-3828 Head Gasket For Model 9.9C (S/N code 682) & Model 15C (S/N code 684) Interchangeable with:
- GLM
- 33890
- Mallory
- 9-63962
- Mercury Marine
- 27-18937M
- 27-18937
- 27-83899M
- 27-98990M
- Yamaha Outboard
- 6E7-11181-00-00
- 6E7-11181-A1-00
California Residents: WARNINGCancer and Reproductive Harm – P65Warnings.ca.gov






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