Description
SIERRA Marine O-Ring, 2.125 x 0.1 in – 18-7130 is a replacement sealing O-ring for select Johnson/Evinrude and OMC applications. Its published dimensions are 2.125 in inside diameter by 0.100 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
- 2.125 in inside diameter
- 0.100 in cross-section width
- single configuration
- For select Johnson/Evinrude and OMC applications
- OEM interchange provided below for fitment verification
Specifications
- Sierra part number: 18-7130
- Product type: Marine O-ring
- Inside diameter: 2.125 in (54.0 mm)
- Cross-section width: 0.100 in (2.5 mm)
- Package quantity: 1
Interchange
- GLM: 81380
- Johnson/Evinrude: 314728, 354731
- Mallory: 9-76528
- OMC: 314728, 354731

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