OE Quality
60-Day Returns

Dorman 911-648 Vapor Canister Vent Valve
Overview of Dorman Vapor Canister Vent Valve 911-648
The Dorman Vapor Canister Vent Valve 911-648 is designed specifically for Chevrolet S10 and GMC Sonoma models. This black plastic valve plays a critical role in the evaporative emission control system, ensuring proper venting of fuel vapors.
- Constructed from durable black plastic material
- Length measures 118.3 mm for precise fitment
- Features a male end with 15.8 mm outside diameter
- Includes one inlet and one outlet for vapor flow
- Designed for specific fitment on Chevrolet S10 and GMC Sonoma
- Package contains one vapor canister vent valve
Detailed Product Description
The Dorman 911-648 vapor canister vent valve is engineered to meet the exact specifications required by Chevrolet S10 and GMC Sonoma vehicles. Made from high-quality plastic, this valve measures 118.3 mm in length and features a male end connection with a 15.8 mm outside diameter, ensuring a secure and leak-free fit. The valve includes one inlet and one outlet, facilitating proper venting of fuel vapors from the evaporative system to reduce emissions. This part is a direct replacement designed for specific fitment, which helps maintain the integrity of the vehicle’s emission control system.
Common Applications and Issues Addressed
- Prevents fuel vapor leaks in the evaporative system
- Helps maintain proper fuel tank pressure
- Reduces the risk of check engine light related to EVAP system faults
- Supports emission compliance for Chevrolet S10 and GMC Sonoma
- Replaces faulty or damaged vapor canister vent valves
Installation Notes and Tips
- Ensure vehicle compatibility with Chevrolet S10 or GMC Sonoma before installation
- Inspect surrounding EVAP system components for wear or damage during replacement
- Use appropriate tools to avoid damaging the plastic valve or connections
- Verify secure fit of the male end with 15.8 mm diameter to prevent leaks
- Mounting hardware is not included; reuse existing hardware if applicable
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 911-648 vapor canister vent valve undergoes quality checks to ensure reliable performance in Chevrolet S10 and GMC Sonoma vehicles. While specific warranty details are not provided, Dorman typically offers limited warranties on their emission control components to cover defects in material and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | 911-648 |
| Color | Black |
| End 1 Gender | Male |
| End 1 Outside Diameter | 15.8 |
| Inlet Quantity | 1 |
| Length | 118.3 |
| Material | Plastic |
| Mounting Hardware Included | No |
| Outlet Quantity | 1 |
| Package Contents | 1 Vapor Canister Vent Valve |
| Universal Or Specific Fit | Specific |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2003 | Chevrolet | S10 | Standard Cab Pickup | 4.3L | V6 | 108.3" | N/A | |
| 2003 | Chevrolet | S10 | Standard Cab Pickup | 4.3L | V6 | 122.9" | N/A | |
| 2003 | Chevrolet | S10 | Extended Cab Pickup | 4.3L | V6 | 108.3" | N/A | |
| 2003 | Chevrolet | S10 | Extended Cab Pickup | 4.3L | V6 | 122.9" | N/A | |
| 2003 | GMC | Sonoma | Standard Cab Pickup | 4.3L | V6 | 108.3" | N/A | |
| 2003 | GMC | Sonoma | Standard Cab Pickup | 4.3L | V6 | 122.9" | N/A | |
| 2003 | GMC | Sonoma | Extended Cab Pickup | 4.3L | V6 | 108.3" | N/A | |
| 2003 | GMC | Sonoma | Extended Cab Pickup | 4.3L | V6 | 122.9" | N/A | |
| 2002 | Chevrolet | S10 | 4.3L | V6 | N/A | |||
| 2002 | GMC | Sonoma | 4.3L | V6 | 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.