This is a genuine OEM heater water pump (auxiliary pump) designed for 2026 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 1500, GMC Sierra 1500, and Yukon models. This auxiliary water pump is a critical component of the HVAC system, ensuring proper coolant circulation for optimal heater performance.
This is a genuine GM OEM part. Fits vehicles equipped with 5.3L V8 or 6.2L V8 engines without supercharger. Compatible with stop/start engine control system. Requires mating connector. One pump needed per vehicle.
| Year Range |
Make |
Model |
Trim/Engine |
Notes/Options |
| 2026 |
Cadillac |
Escalade |
Base, Luxury, Premium Luxury, Sport, Platinum Sport, Platinum Luxury; 6.2L V8 |
VIN: L, Engine Code: L87; Stop/Start Engine Control System; Quantity needed: 1 |
| 2026 |
Cadillac |
Escalade ESV |
Base, Luxury, Sport, Platinum Sport, Platinum Luxury; 6.2L V8 |
VIN: L, Engine Code: L87; Stop/Start Engine Control System; Quantity needed: 1 |
| 2026 |
Chevrolet |
Silverado 1500 |
Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ; 5.3L V8 |
VIN: D, Engine Code: L84; Stop/Start Engine Control System; Quantity needed: 1 |
| 2026 |
Chevrolet |
Silverado 1500 |
High Country, LT Trail Boss, LTZ; 6.2L V8 |
VIN: L, Engine Code: L87; Stop/Start Engine Control System; Quantity needed: 1 |
| 2026 |
GMC |
Sierra 1500 |
5.3L V8, 6.2L V8 |
Stop/Start Engine Control System; without supercharger; Quantity needed: 1 |
| 2026 |
GMC |
Yukon |
5.3L V8, 6.2L V8 |
Stop/Start Engine Control System; without supercharger; Quantity needed: 1 |