Description
SIERRA Mercury/Force 30-75 HP Lower Gearcase Seal Kit – 18-2635
Lower gearcase seal kit for selected Mercury/Force 30-75 HP lower units using OEM 26-814669A1/A2 or FK1234. It is intended as an application-specific replacement for the original marine component and is cross-referenced by the OEM/aftermarket numbers listed below.
- Application: selected Mercury/Force 30-75 HP lower units using OEM 26-814669A1/A2 or FK1234
- Function: Provides the shaft seals, O-rings and gaskets required for a complete lower-unit reseal on the specified gearcase family.
- Component: Lower gearcase seal kit
- Typical horsepower family: 30-75 HP
- Interchange: Mercury/Force: 26-814669A1, 26-814669A2, FK1234; GLM: 87809; Mallory: 9-74204
Confirm the engine or sterndrive model, serial range and original part number before installation. During service, inspect adjacent seals, fasteners, hoses and mating surfaces so a related fault is not carried into the repaired assembly.
Specifications
- Component: Lower gearcase seal kit
- Typical horsepower family: 30-75 HP
- OEM references: 26-814669A1 / 26-814669A2 / FK1234
Interchange / Replaces
- Mercury/Force: 26-814669A1, 26-814669A2, FK1234
- GLM: 87809
- Mallory: 9-74204
Related Products
- Cross-sell / related: SIE-18-9650-2
- Relationship notes: 18-9650-2 is Sierra high-performance marine gear lubricant for refill after lower-unit reseal service.


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