💧 Keep your engine cool, your ride smooth, and your confidence unstoppable.
The GM Genuine Parts 12685257 Engine Water Pump is a heavy-duty, OEM-spec replacement designed for trucks and vans. Featuring heat-treated impeller shafts, stainless steel spring-coated seals, and precision-machined components, it delivers leak-free, efficient coolant flow and reliable performance that meets GM’s rigorous standards.



| Brand | GM GENUINE PARTS |
| Material | Stainless Steel |
| Item Weight | 16.13 Pounds |
| Vehicle Service Type | Truck, Van |
| Weight Class | Heavy Weight |
| Manufacturer | ACDelco |
| OEM Part Number | 12681258 , 12671394 , 12666570 , 12674640 , 12685257 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 808709776949 |
| Model | GM Original Equipment |
| Item Weight | 16.13 pounds |
| Product Dimensions | 24.5 x 16.62 x 9.75 inches |
| Item model number | 12685257 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 12685257 |
| Position | Center |
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