

🛠️ 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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