OE Quality
60-Day Returns

Dorman 577-106 Fuel Tank Roll Over Valve
Overview of Dorman Fuel Tank Roll Over Valve 577-106
The Dorman 577-106 Fuel Tank Roll Over Valve is engineered for reliable fuel vapor management in select Chevrolet and GMC vehicles. Designed with precision aluminum construction, this valve ensures durability and proper fitment for models like the Chevrolet Trailblazer EXT and GMC Envoy XL.
- Constructed from durable aluminum for long-lasting performance
- Hose mating diameter of 36.1 mm for secure connections
- Inside diameter measures 25.75 mm to maintain proper fuel flow
- Length of 168.5 mm to fit specific fuel system configurations
- Includes inlet valve, two washers, gasket, threaded fastener, and installation wrench
- Thread outside diameter of 39.4 mm for precise mounting
Detailed Product Description
The Dorman 577-106 Fuel Tank Roll Over Valve is a critical component in the fuel storage system, designed to prevent fuel leakage during vehicle rollovers. Made from aluminum, this valve offers corrosion resistance and structural integrity under various operating conditions. Its specific dimensions, including a 36.1 mm hose mating diameter and 25.75 mm inside diameter, ensure compatibility with the fuel lines of Chevrolet Envoy XUV, GMC SSR, and other compatible models. The included installation hardware simplifies replacement and helps maintain a secure seal within the fuel tank assembly.
Compatible Vehicles and Applications
This fuel tank roll over valve is compatible with the following vehicles:
- Chevrolet Envoy XL
- Chevrolet Envoy XUV
- Chevrolet SSR
- Chevrolet Trailblazer EXT
- GMC Envoy XL
- GMC Envoy XUV
- GMC SSR
- GMC Trailblazer EXT
Common Issues Addressed by This Valve
- Prevents fuel leakage during vehicle rollovers
- Maintains proper fuel vapor containment
- Ensures compliance with emissions regulations
- Reduces risk of fuel system damage from pressure changes
- Helps avoid fuel odor and vapor leaks
Installation Notes and Tips
Installation of the Dorman 577-106 valve requires careful attention to the included hardware. Use the provided gasket and washers to ensure a tight seal. The threaded fastener and installation wrench facilitate secure mounting. It is recommended to inspect the fuel tank and surrounding components for damage before installation. Proper torque specifications should be followed to avoid leaks or damage to the valve.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards. The 577-106 Fuel Tank Roll Over Valve undergoes rigorous quality control to ensure fit, form, and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.
| Brand | Dorman |
| Part Number | 577-106 |
| Hose Mating Diameter | 36.1 mm |
| Inside Diameter | 25.75 mm |
| Length | 168.5 mm |
| Material | Aluminum |
| Package Contents | Inlet Valve; 2 Washers; Gasket; Threaded Fastener; Installation Wire |
| Thread Outside Diameter | 39.4 mm |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Chevrolet | SSR | N/A | |
| 2004 | Chevrolet | Trailblazer EXT | N/A | |
| 2004 | GMC | Envoy XL | N/A | |
| 2004 | GMC | Envoy XUV | N/A | |
| 2003 | Chevrolet | SSR | N/A | |
| 2003 | Chevrolet | Trailblazer EXT | N/A | |
| 2003 | GMC | Envoy XL | N/A | |
| 2002 | Chevrolet | Trailblazer EXT | N/A | |
| 2002 | GMC | Envoy XL | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.