

🛠️ Seal the deal with GM precision – don’t let leaks slow your drive!
The GM 12620318 Engine Coolant Thermostat Housing Gasket is a GM-recommended, OE-spec replacement part designed to provide a leak-proof seal between the thermostat housing and engine exterior. Manufactured by ACDelco to exact GM standards, it ensures durability, perfect fit, and reliable engine cooling system performance.





| Manufacturer | ACDelco |
| Brand | GM Genuine Parts |
| Model | GASKET KIT |
| Item Weight | 0.16 ounces |
| Package Dimensions | 3 x 3 x 0.25 inches |
| Item model number | 12620318 |
| Exterior | Machined |
| Manufacturer Part Number | 12620318 |
| OEM Part Number | 12620318 |
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