Description
SIERRA Johnson / Evinrude 20-35 HP Lower Unit Seal Kit – 18-2658
Sierra 18-2658 is a Lower unit seal kit engineered for the specified marine application. Selected Johnson/Evinrude 20, 25, 30 and 35 HP gearcases, including 20/25 HP 1985-up and the model-year ranges shown in Sierra application charts; replaces OMC 0396351.
- Lower-unit seal kit for Johnson/Evinrude 20-35 HP outboards.
- Replaces Johnson/Evinrude/OMC 0396351 (396351).
- Sierra charts include 20 and 25 HP from 1985-up, 30 HP 1976-1995 and 35 HP 1977-1992 configurations, subject to model exceptions.
- Provides matched seals for gearcase resealing during lower-unit service.
- Confirm horsepower, model year and gearcase type before ordering.
For marine drive and engine service parts, fitment can vary by model, serial number, gear ratio, casting and prior service history. Compare the original OEM number and physical configuration before installation, and replace related seals, bearings, locking hardware, hoses or cable components when their condition requires it.
Specifications
- Manufacturer: Sierra
- Part Number: 18-2658
- Part Type: Lower unit seal kit
- Application: Selected Johnson/Evinrude 20, 25, 30 and 35 HP gearcases, including 20/25 HP 1985-up and the model-year ranges shown in Sierra application charts; replaces OMC 0396351.
- OEM Kit: 0396351 / 396351
Interchange / OEM References
- GLM: 87680
- Johnson/Evinrude Outboard: 0396351, 396351
- Mallory: 9-74101

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