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Add to CartSierra replacement O-rings for Mercruiser, Volvo Penta, Mercury, Johnson/Evinrude, and OMC engines.
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-7134-9 O-Ring (Pkg Of 5) Sierra replacement O-ring. I.D.: 0.500" or 12.7mm Width: 0.100" or 2.5mm Package of 5 Interchangeable with: Chrysler/Force/US...
Sierra 18-7198-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercruiser, Chrysler, Mercury, Honda, and OMC engines. I.D.: 1.430" or 36.3mm Width: 0.100" or 2.54mm Package of...
Sierra 18-7411-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercury, Mercruiser, Johnson, and Evinrude engines. I.D.: 1.250" or 3.2mm Width: 0.100" or 2.5mm Package of 5 Interchangeable...
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...
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...
