Description
SIERRA OMC Drain-Screw O-Rings, 1.748 Inch OD, 5-Pack – 18-4253-9
Sierra 18-4253-9 is a drain-screw O-ring pack for OMC sterndrive drain-screw applications using O-ring 908062.
- Five-pack of replacement O-rings for repeated gearcase/drain-screw service.
- Nominal outside diameter is 1.748 inches per the source catalog data.
- Replace the O-ring whenever its sealing surface is flattened, cut, hardened or distorted; inspect the screw groove and mating seat for damage.
- Designed as a direct marine-service replacement where the listed Sierra/OEM reference is specified.
- Compare the original part number, dimensions and assembly configuration before installation.
Fitment for marine engine and drive service parts can vary by model, serial number, drive/gearcase, cooling configuration and prior OEM supersessions. Compare the original OEM number and physical configuration before installation, and follow the applicable manufacturer service procedure and torque specifications.
Specifications
- Manufacturer: Sierra
- Part Number: 18-4253-9
- Part Type: Drain-screw o-ring pack
- Application: OMC sterndrive drain-screw applications using O-ring 908062.
- Package Quantity: 5
- Outside Diameter: 1.748 in
Interchange / OEM References
- OMC Stern Drive: 908062
- GLM: 22030
- Mallory: 9-78013
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