⚡ Drive with confidence, powered by genuine precision.
The GM Genuine Parts 12639254 Engine Intake Manifold Insulator is a precision-engineered, OEM-tested component designed specifically for GM vehicles including Chevrolet, Buick, GMC, and Cadillac. Weighing just 4.2 ounces and crafted with a machined exterior, it ensures a perfect fit and reliable performance, backed by GM’s warranty and dealer support for seamless installation and long-lasting durability.
| Manufacturer | GM Genuine Parts |
| Brand | GM Genuine Parts |
| Model | GM Original Equipment |
| Item Weight | 4.2 ounces |
| Product Dimensions | 25.12 x 14.38 x 5.38 inches |
| Item model number | 12639254 |
| Exterior | Machined |
| Manufacturer Part Number | 12639254 |
R**2
Perfect Fit
This oem part was a perfect fit for my 2010 Cadillac CTS!
J**M
Fits my 2009 Cadillac CTS
Right part; they renamed/renumbered the original GM part from GM 12603359Insulator, Intake Manifold to this 12639254. Hard to tell in the pics so I uploaded a few - it’s all one thickness not a chunk of foam.
Trustpilot
1 month ago
2 weeks ago
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