


🚗 Upgrade your ride with genuine precision—because your truck deserves the best!
This Genuine GM Valve Part #13596856 is a high-quality OEM back panel air vent grille crafted from durable alloy steel. Designed to fit multiple cab styles of Silverado and Sierra 1500/2500 models without sunroof, it features dual 4.6-inch ports with socket weld and NPT connections for optimal airflow. Lightweight at 4.8 ounces and measuring 10.7 x 4.6 x 1.8 inches, it ensures a perfect factory fit and reliable climate control performance.
| Material | Alloy Steel |
| Brand | General Motors |
| Item dimensions L x W x H | 10.7 x 4.6 x 1.8 inches |
| Exterior Finish | Smooth |
| Inlet Connection Size | 4.6 Inches |
| Inlet Connection Type | Socket Weld |
| Outlet Connection Type | NPT |
| Number of Ports | 2 |
| Outlet Connection Size | 4.6 Inches |
| Manufacturer | Unbranded |
| Model | Silverado 1500 Sierra 1500 Silverado 250 |
| Item Weight | 4.8 ounces |
| Product Dimensions | 10.7 x 4.6 x 1.8 inches |
| Item model number | 13596856 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 13596856 |
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