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Add to CartSierra replacement o-ring for Yamaha Outboards.
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra O-Ring 18-0659 Sierra pressure control valve o-ring meets or exceeds OEM specs. For use with Yamaha 40-70HP, 200-300HP All Models and Years. Interchangeable with: Yamaha...
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Sierra 18-7117 O-Ring I.D.: 1.046" or 26.6mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82150 Johnson/Evinrude Outboard 303360 Mallory 9-76507 Mercruiser Stern...
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Sierra 18-7409 OMC O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use on OMC Stern Drives. I.D.: 1.175" Width: 0.100" Interchangeable...
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Sierra 18-7157 O-Ring I.D.: 3.500" or 88.9mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83410 Mallory 9-76542 Mercruiser Stern Drive 25-29976 Mercury Marine 25-29976
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