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Dorman 911-456 Vapor Canister Purge Valve
Overview of Dorman Vapor Canister Purge Valve 911-456
The Dorman 911-456 vapor canister purge valve is designed for emission control systems in select Acura and Honda vehicles. This component plays a critical role in managing fuel vapor flow, helping maintain optimal engine performance and reduce harmful emissions.
- Connector hose inside diameter: 6.3 mm
- Terminal type: Blade with 2 male terminals
- Single rectangular female connector
- Durable housing made of metal and plastic
- Inlet inside diameter: 4 mm
- Length: 50 mm
- Two mounting holes with 5.8 mm diameter each
- Two ports with outside diameters of 6.3 mm and 10.2 mm
- Package includes one purge valve
Detailed Product Description
The Dorman 911-456 vapor canister purge valve is engineered to fit Acura CR-V and Honda RSX models, ensuring precise compatibility with their evaporative emission control systems. Featuring a combination of metal and plastic housing materials, this valve offers durability and resistance to the harsh conditions under the hood. The valve includes a single rectangular female connector with a 6.3 mm inside diameter hose connection, and two male blade terminals for secure electrical connections. Its compact 50 mm length and dual mounting holes (5.8 mm diameter) facilitate straightforward installation and stable mounting within the engine bay.
Function and Common Issues Addressed
- Controls fuel vapor flow from the charcoal canister to the intake manifold
- Prevents fuel vapor leaks that can trigger the check engine light
- Helps maintain proper engine idle and fuel efficiency
- Reduces evaporative emissions to comply with environmental regulations
- Resolves issues related to rough idling or failed emissions tests
Installation Notes and Tips
- Compatible with Acura CR-V and Honda RSX models; verify vehicle year and engine type before installation
- Mounting hardware is not included; reuse existing hardware or source appropriate fasteners
- Ensure electrical connectors are clean and securely attached to avoid signal interruptions
- Inspect hoses for cracks or wear and replace if necessary to maintain system integrity
- Follow vehicle manufacturer guidelines for purge valve replacement procedures
Quality Assurance and Warranty
Dorman manufactures the 911-456 vapor canister purge valve to meet or exceed OEM specifications for fit, form, and function. The combination of metal and plastic housing materials ensures durability and reliable operation within the evaporative system. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.
| Brand | Dorman |
| Part Number | 911-456 |
| Connector Gender | Female |
| Connector Hose Inside Diameter | 6.3 |
| Connector Quantity | 1 |
| Connector Shape | Rectangle |
| Housing Material | Metal |
| Housing Material | Plastic |
| Inlet Inside Diameter | 4 mm |
| Length | 50 mm |
| Mount Hole Diameter | 5.8 mm |
| Mounting Hardware Included | No |
| Package Contents | 1 Purge Valve |
| Port 1 Outside Diameter | 6.3 mm |
| Port 2 Outside Diameter | 10.2 mm |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Acura | RSX | 2.0L | L4 | N/A | |
| 2004 | Honda | CR-V | 2.4L | L4 | N/A | |
| 2003 | Acura | RSX | 2.0L | L4 | N/A | |
| 2003 | Honda | CR-V | 2.4L | L4 | N/A | |
| 2002 | Acura | RSX | 2.0L | L4 | N/A | |
| 2002 | Honda | CR-V | 2.4L | L4 | 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.