Description
SIERRA Marine O-Ring, 1.735 x 0.135 in – 18-7115 is a replacement sealing O-ring for select Johnson/Evinrude, Mercury/MerCruiser and OMC applications. Its published dimensions are 1.735 in inside diameter by 0.135 in cross-section, making size verification straightforward before installation.
Use the OEM interchange and measured seal dimensions together to confirm fitment. Clean the groove and mating surfaces before assembly, and lubricate only with a fluid compatible with the system and seal material.
Key Features
- 1.735 in inside diameter
- 0.135 in cross-section width
- single configuration
- For select Johnson/Evinrude, Mercury/MerCruiser and OMC applications
- OEM interchange provided below for fitment verification
Specifications
- Sierra part number: 18-7115
- Product type: Marine O-ring
- Inside diameter: 1.735 in (44.1 mm)
- Cross-section width: 0.135 in (3.4 mm)
- Package quantity: 1
Interchange
- GLM: 82240
- Johnson/Evinrude: 302588
- MerCruiser: 25-20266, 25-26722
- Mercury Marine: 25-20266, 25-26722
- OMC: 302588

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