Description
SIERRA Marine O-Ring, 0.225 x 0.115 in – 18-7150 is a replacement sealing O-ring for select Johnson/Evinrude and OMC applications. Its published dimensions are 0.225 in inside diameter by 0.115 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
- 0.225 in inside diameter
- 0.115 in cross-section width
- single configuration
- For select Johnson/Evinrude and OMC applications
- OEM interchange provided below for fitment verification
Specifications
- Sierra part number: 18-7150
- Product type: Marine O-ring
- Inside diameter: 0.225 in (5.7 mm)
- Cross-section width: 0.115 in (2.9 mm)
- Package quantity: 1
Interchange
- Johnson/Evinrude: 303598, 331380, 334913
- OMC: 303598

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