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Standard Ignition CP421 Vapor Canister Vent Solenoid
Overview of Standard Ignition Vapor Canister Vent Solenoid CP421
The Standard Ignition Vapor Canister Vent Solenoid CP421 is designed for emission control systems in select Acura and Honda vehicles. This solenoid valve plays a critical role in managing fuel vapor flow, helping maintain proper emissions performance in models such as the Honda Accord, Civic, CR-V, and Acura MDX.
- Connector Gender: Female
- Connector Quantity: 1
- Connector Shape: Rectangular
- Contents: Valve
- Terminal Gender: Male
- Terminal Quantity: 2
- Terminal Type: Blade
Detailed Product Description
The CP421 vapor canister vent solenoid from Standard Ignition is engineered to meet OEM specifications for emission control switches, solenoids, and actuators. Featuring a female rectangular connector and two male blade terminals, this valve ensures secure electrical connections and reliable operation. The solenoid controls the venting of fuel vapors from the charcoal canister to the atmosphere, which is essential for reducing evaporative emissions in vehicles like the Honda Odyssey, Pilot, and Acura TL. While the outer diameter requires physical measurement, the solenoid’s design supports straightforward integration with the vehicle’s existing emission system.
Compatible Vehicles and Applications
This vapor canister vent solenoid CP421 is compatible with a range of Acura and Honda models, including:
- Acura CL, MDX, RL, S2000, TL
- Honda Accord, Civic, CR-V, Odyssey, Pilot
It is specifically designed to replace factory solenoids in these vehicles, ensuring proper emission control system function.
Common Issues Addressed by This Solenoid
- Check engine light triggered by evaporative emission system faults
- Fuel vapor leaks causing increased emissions
- Failed emissions tests related to vapor canister venting
- Rough engine idle due to improper vapor flow
- Fuel odor inside or around the vehicle
Installation Notes and Tips
Installation of the Standard Ignition CP421 vapor canister vent solenoid requires basic automotive electrical knowledge. Ensure the female rectangular connector aligns properly with the vehicle harness and that the two male blade terminals are securely connected. It is recommended to verify the part number and fitment against your vehicle’s VIN before installation. Physical measurement of the outer diameter may be necessary to confirm compatibility with the mounting location.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for durability and performance. The CP421 vapor canister vent solenoid undergoes rigorous quality control to ensure reliable operation within emission control systems. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.
| Brand | Standard Ignition |
|---|---|
| Part Number | CP421 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Valve |
| Outer diameter (mm) | Requires Physical Part |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 42 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Honda | S2000 | N/A | Bypass Valve | |||
| 2004 | Acura | MDX | N/A | Bypass Valve | |||
| 2004 | Acura | RL | N/A | Bypass Valve | |||
| 2004 | Honda | Odyssey | N/A | Bypass Valve | |||
| 2004 | Honda | Pilot | N/A | Bypass Valve | |||
| 2004 | Honda | S2000 | N/A | Bypass Valve | |||
| 2003 | Acura | CL | N/A | ||||
| 2003 | Acura | MDX | N/A | Bypass Valve | |||
| 2003 | Acura | RL | N/A | Bypass Valve | |||
| 2003 | Acura | TL | N/A | ||||
| 2003 | Honda | Odyssey | N/A | Bypass Valve | |||
| 2003 | Honda | Pilot | N/A | Bypass Valve | |||
| 2003 | Honda | S2000 | N/A | Bypass Valve | |||
| 2002 | Acura | CL | N/A | ||||
| 2002 | Acura | MDX | N/A | Bypass Valve | |||
| 2002 | Acura | RL | N/A | Bypass Valve | |||
| 2002 | Acura | TL | N/A | ||||
| 2002 | Honda | Accord | N/A | ||||
| 2002 | Honda | Odyssey | N/A | Bypass Valve | |||
| 2002 | Honda | S2000 | N/A | Bypass Valve | |||
| 2001 | Acura | CL | N/A | ||||
| 2001 | Acura | MDX | N/A | Bypass Valve | |||
| 2001 | Acura | RL | N/A | Bypass Valve | |||
| 2001 | Acura | TL | N/A | ||||
| 2001 | Honda | Accord | N/A | ||||
| 2001 | Honda | CR-V | N/A | w/o Hose | |||
| 2001 | Honda | Odyssey | N/A | Bypass Valve | |||
| 2001 | Honda | S2000 | N/A | Bypass Valve | |||
| 2000 | Acura | RL | N/A | Bypass Valve | |||
| 2000 | Acura | TL | N/A | ||||
| 2000 | Honda | Accord | N/A | ||||
| 2000 | Honda | CR-V | N/A | ||||
| 2000 | Honda | Odyssey | N/A | Bypass Valve | |||
| 2000 | Honda | S2000 | N/A | Bypass Valve | |||
| 1999 | Acura | CL | 2.3L | L4 | N/A | ||
| 1999 | Acura | TL | N/A | ||||
| 1999 | Honda | Accord | N/A | ||||
| 1999 | Honda | CR-V | N/A | ||||
| 1999 | Honda | Odyssey | N/A | Bypass Valve | |||
| 1998 | Honda | Accord | N/A | ||||
| 1998 | Honda | Civic | HX | N/A | |||
| 1998 | Honda | CR-V | 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.