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🛠️ Keep your brakes sharp with GM precision – because safety is non-negotiable!
The ACDelco GM Original Equipment Power Brake Booster Vacuum Check Valve Kit is a GM-recommended replacement part designed to maintain your vehicle’s brake booster vacuum integrity. Manufactured to exact GM specifications, it ensures a perfect fit and reliable one-way valve function that prevents air from entering the vacuum system, preserving brake responsiveness and safety. This durable, vehicle-specific kit includes a check valve and grommet, crafted from factory-grade materials for long-lasting performance trusted by thousands of GM owners.










| ASIN | B000C9H8AY |
| Best Sellers Rank | #65,664 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Air Check Valves |
| Brand Name | GM GENUINE PARTS |
| Connector Type | Compression |
| Customer Reviews | 4.6 4.6 out of 5 stars (541) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00036666449563 |
| Included Components | Check Valve Kit |
| Inlet Connection Size | 0.54 Inches |
| Inlet Connection Type | Male NPT |
| Item Dimensions | 8.9 x 5.6 x 3.8 centimeters |
| Item Type Name | Check Valve Kit |
| Item Weight | 5 g |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 179-1266 |
| Material Type | Plastic |
| Model Number | 179-1266 |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.54 Inches |
| Outlet Connection Type | Compression |
| Set Name | ACDelco GM Original Equipment Power Brake Booster Check Valve Kit (Check Valve, Grommet) |
| Size | 2.2 inches x 3.5 inches x 1.5 inches |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | GM |
| Thread Size | 2.2 pulgadas |
| Thread Type | compression |
| UPC | 036666449563 |
| Unit Count | 1 Count |
| Valve Type | Check Valve |
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