Description
SIERRA Marine O-Ring, 3.5 x 0.135 in, 5-Pack – 18-7169-9 is a replacement sealing O-ring for select Chrysler/Force, MerCruiser and OMC applications. Its published dimensions are 3.500 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. This package SKU supersedes the earlier Sierra 18-7169 single-piece listing.
Key Features
- 3.500 in inside diameter
- 0.135 in cross-section width
- 5-pack configuration
- For select Chrysler/Force, MerCruiser and OMC applications
- OEM interchange provided below for fitment verification
Specifications
- Sierra part number: 18-7169-9
- Product type: Marine O-ring
- Inside diameter: 3.500 in (88.9 mm)
- Cross-section width: 0.135 in (3.4 mm)
- Package quantity: 5
Interchange
- Chrysler/Force/US Marine: 25-F24278
- GLM: 82380
- Mallory: 9-76551
- MerCruiser: 25-35984, 25-70937
- OMC: 911686
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