Description
SIERRA Inboard/Sterndrive 12-Blade Impeller Repair Kit – 18-3046
Water-pump impeller repair kit for inboard/sterndrive pumps replacing Jabsco 18838-0001 / Sherwood 9959K and related applications. Sierra designs the replacement around the specified OEM pump geometry and interchange references.
- Application: inboard/sterndrive pumps replacing Jabsco 18838-0001 / Sherwood 9959K and related applications
- Function: Circulates raw cooling water through the engine cooling system; a worn, hardened or damaged impeller can reduce water flow and cause overheating.
- Component: Impeller repair kit
- Blade count: 12
- Interchange: Jabsco: 18838-0001; Sherwood: 9959K, 9959; Volvo Penta: 1003062, 3854286
Verify the engine model, serial range, pump housing and original impeller number before installation. Inspect the housing, wear plate, key and gaskets at the same time; replace damaged companion parts rather than installing a new impeller into a worn pump.
Specifications
- Component: Impeller repair kit
- Blade count: 12
- Outside diameter: 2-7/16 in. / 62 mm
- Width: 1-1/4 in. / 31.8 mm
- Kit: Impeller repair kit
Interchange / Replaces
- Jabsco: 18838-0001
- Sherwood: 9959K, 9959
- Volvo Penta: 1003062, 3854286
Related Products
- Cross-sell / alternative: SIE-18-3060
- Relationship notes: 18-3060 is the individual 12-fin impeller used in this service family; 18-3046 is the more complete repair-kit option.


Reviews
There are no reviews yet.