

🔥 Keep your engine cool, your ride smooth, and your status genuine! ⚙️
The ACDelco GM Genuine Parts 15-11057 Engine Coolant Thermostat Water Inlet Assembly is a factory-recommended replacement part engineered to GM OE standards. Crafted from durable steel, it ensures precise fit and reliable performance to prevent engine overheating by repairing leaking thermostat housings. Lightweight and machined for quality, this thermostat assembly delivers the trusted durability and seamless integration expected from genuine GM components.





| Manufacturer | AC Delco |
| Brand | GM Genuine Parts |
| Model | Water Inlet Assembly |
| Product Dimensions | 15.75 x 10.41 x 10.41 cm; 299.37 g |
| Item model number | 15-11057 |
| Exterior | Machined |
| Manufacturer Part Number | 12600172 |
| OEM Part Number | 12600172 |
| Item Weight | 299 g |
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