Description
SIERRA Marine O-Ring, 0.615 x 0.065 in – 18-7166 is a replacement sealing O-ring for select Mercury/Mariner applications. Its published dimensions are 0.615 in inside diameter by 0.065 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
- 0.615 in inside diameter
- 0.065 in cross-section width
- single configuration
- For select Mercury/Mariner applications
- OEM interchange provided below for fitment verification
Specifications
- Sierra part number: 18-7166
- Product type: Marine O-ring
- Inside diameter: 0.615 in (15.6 mm)
- Cross-section width: 0.065 in (1.7 mm)
- Package quantity: 1
Interchange
- GLM: 80160
- Mercury Marine: 25-45254

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