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Description
Sierra 18-0550 OMC Exhaust Manifold Plug Off Cap 1.25" I.D.
Sierra high-quality engine parts are designed to meet OEM specifications.
Features:
- I.D.: 1-1/4"
- For V8 Stern Drives and Inboards 1977 - present.
Interchangeable with:
- GLM
- 22280
- Johnson/Evinrude Outboard
- 909830
- 3852476
- Mallory
- 9-42721
- OMC Inboard
- 909830
- 3852476
- OMC Stern Drive
- 909830
- 3852476
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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