

🛡️ Seal your ride with GM-grade confidence — don’t let leaks slow your hustle!
The ACDelco 12620318 thermostat housing gasket is a genuine GM replacement part designed to provide a perfect seal between the thermostat housing and engine block. Lightweight and manufactured to strict GM OE standards, it ensures leak prevention, durability, and reliable engine temperature regulation, making it a trusted choice for maintaining optimal vehicle performance.





| ASIN | B010GJ8GZA |
| Brand | GM |
| Customer Reviews | 4.7 4.7 out of 5 stars (16) |
| Date First Available | October 20, 2016 |
| Item Weight | 4.54 g |
| Item model number | 12620318 |
| Manufacturer | ACDelco |
| OEM Part Number | 12620318 |
| Package Dimensions | 7.62 x 7.62 x 0.63 cm; 4.54 g |
P**K
Sealed new thermostat perfectly
S**E
GM Genuine part shipped quickly. Thanks!
T**L
This should be used as advised by GM.
V**A
great fit right out the wrapper. After removing the old gasket and placing the new one i added coolant and checked fore leaks. since its an OEM gasket there were no leaks as expected.... I would always buy ACDelco oem parts for my 2014 chevy silverado 1500 ltz 4x4... great buy and price
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