Safeguard your outboard against powerhead overheating and maintain consistent cooling pressure with this complete water pump rebuild kit. Engineered to precise marine specifications, this all-in-one assembly replaces worn housings, degraded impellers, and fatigued seals to ensure optimal water flow across all operating speeds.
Fitment
Fits select 1998 to 2018 Mercury and Mariner 25 HP and 30 HP 4-stroke outboard engine 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)
What’s Included
- Water pump housing
- Neoprene water pump impeller
- Stainless steel wear plate
- Impeller drive key
- Water pump gaskets and face seals
- O-rings and washer seals
- Housing mounting hardware
Replaces / Cross-References
- Mercury / Quicksilver OEM: 853792A7, 853792A 7, 853792T7, 853792A1, 853792T1
- Sierra Marine: 18-3250
- GLM: 12123
- Mallory Marine: 9-48314
Fitment Caution
Fitment can vary by engine year, horsepower, and gearcase configuration. Compare your original pump housing design and 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.
