

⚙️ Upgrade your ride with GM’s precision-crafted PCV tube — because your engine deserves the best!
The GM Genuine Parts 12594578 Positive Crankcase Ventilation (PCV) Tube is a compact, OEM-certified engine component made in the USA. Featuring a machined finish and dual 0.32-inch barb connections, it ensures reliable crankcase ventilation and a perfect fit for GM vehicles. Manufactured by ACDelco, this lightweight part combines durability with precision engineering to maintain optimal engine performance.





| Material | pcv |
| Brand | GM |
| Item dimensions L x W x H | 7.6 x 4 x 1.1 inches |
| Exterior Finish | Machined |
| Inlet Connection Size | 0.32 Inches |
| Inlet Connection Type | Barb |
| Outlet Connection Type | Barb |
| Number of Ports | 2 |
| Outlet Connection Size | 0.32 Inches |
| Specification Met | OEM (GM) |
| Global Trade Identification Number | 00808709948735 |
| Manufacturer | ACDelco |
| UPC | 808709948735 |
| Model | GM Original Equipment |
| Item Weight | 0.01 ounces |
| Product Dimensions | 7.6 x 4 x 1.1 inches |
| Item model number | 12594578 |
| Manufacturer Part Number | 12594578 |
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