

⚡ Upgrade your ride with GM’s precision-crafted PCV valve — because your engine deserves the best!
The GM Genuine Parts 12637666 PCV Valve is a factory-recommended replacement part designed to meet original equipment specifications. Crafted from durable metal with a machined finish, it ensures precise fit, optimal emission control, and long-lasting performance for GM vehicles. Lightweight and reliable, this valve helps prevent oil leaks and excessive oil consumption, maintaining engine efficiency and compliance.





| Material | Metal |
| Brand | GM GENUINE PARTS |
| Item dimensions L x W x H | 4.2 x 4.2 x 4.1 inches |
| Exterior Finish | Machined |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | positive crankcase ventilation |
| Outlet Connection Type | NPT |
| Number of Ports | 1 |
| Outlet Connection Size | 0.25 Inches |
| Specification Met | oe |
| Global Trade Identification Number | 00707773941850, 30707773941851 |
| Manufacturer | ACDelco |
| UPC | 707773941850 |
| Model | Pcv Valve |
| Item Weight | 0.16 ounces |
| Product Dimensions | 4.2 x 4.2 x 4.1 inches |
| Item model number | 12637666 |
| Is Discontinued By Manufacturer | Yes |
| Manufacturer Part Number | 12637666 |
| OEM Part Number | 12637666 |
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