Maintain proper engine cooling and guard against thermal damage with this complete water pump rebuild kit. Engineered to meet strict marine performance standards, this kit replaces worn impellers, degraded gaskets, and fatigued wear plates to ensure consistent water pressure and reliable operation across all RPM ranges.
Fitment
Fits select 1998 to 2018 Mercury and Mariner 25 HP and 30 HP 4-stroke outboard models, including:
- 25 HP 4-Stroke: 25 HP EFI and Carbureted 2-Cylinder & 3-Cylinder models (1998–2018)
- 30 HP 4-Stroke: 30 HP EFI and Carbureted 3-Cylinder models (1998–2018)
Note: Water pump housing is not included.
What’s Included
- Neoprene water pump impeller
- Stainless steel wear plate
- Impeller drive key
- Water pump gaskets and face seals
- O-rings and washer seals
Replaces / Cross-References
- Mercury / Quicksilver OEM: 853792A1, 853792A 1, 853792T1
- Sierra Marine: 18-3442
- GLM: 12122
- Mallory Marine: 9-48313
Fitment Caution
Fitment can vary by engine serial number range, year, and gearcase configuration. Compare your original pump components and OEM cross-reference numbers prior to ordering.
Questions About This Product?
Have a question about this part or need help determining if it may work for your application? Email us at customerservice@marinepartswarehouse.com with your engine model and serial number, and our team will be happy to help with any information we have available.
