Total Price:
Add to CartSierra replacement O-ring for Mercruiser and Mercury engines.
Interchangeable with:
Application Information:
Supersedes 18-7161
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-7156-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercury, Mercruiser, Johnson/Evinrude, and OMC engines. Supersedes 18-7156 I.D.: 1.185" or 30.1mm Width: 0.100" or 2...
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Sierra 18-7141-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for use with Volvo Penta, Johnson/Evinrude, and OMC engines. Supersedes 18-7141 I.D.: 0.180" or 4.6mm Width: 0.065" or 1...
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Sierra 18-7129-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for OMC and Evinrude/Johnson engines. I.D.: 0.970" or 24.6mm Width: 0.065" or 1.7mm Package of 5 Interchangeable...
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Sierra 18-7168-9 O-Ring (Pkg Of 5) Sierra replacement O-rings for Mercruiser, Volvo Penta, Mercury, Johnson/Evinrude, and OMC engines. I.D.: 0.370" or 9.4mm Width: 0.065" or 1.7mm Package of...
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Sierra 18-7432-9 Yamaha O-Ring (Pkg Of 5) Sierra replacement O-ring for Yamaha Outboards. Package of 5 Interchangeable with: Yamaha Outboard 93210-32738-00
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