HomeEmission Control > Evaporative SystemStandard Ignition CP501 Vapor Canister Purge Solenoid
Part #: CP501

Standard Ignition CP501 Vapor Canister Purge Solenoid

⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, CL
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Overview of Standard Ignition CP501 Vapor Canister Purge Solenoid

The Standard Ignition CP501 vapor canister purge solenoid is designed specifically for Acura CL and NSX models. This emission control component plays a critical role in managing fuel vapor flow, helping maintain your vehicle's emission system efficiency.

  • Connector Gender: Female
  • Single Connector with 2 Male Blade Terminals
  • Two Hose Connectors with 3/8 inch Hose Size
  • Two Ports for Vapor Flow Control
  • Terminal Type: Blade, Quantity: 2

Detailed Product Description

The CP501 vapor canister purge solenoid from Standard Ignition is engineered to meet the specifications of Acura CL and NSX vehicles. Featuring a female connector with one connector quantity and two male blade terminals, this solenoid ensures secure electrical connections. It includes two hose connectors sized at 3/8 inches, allowing precise control of vapor flow through its two ports. The blade terminal type supports reliable and durable connectivity within the emission control system.

Function and Common Applications

This vapor canister purge solenoid is essential for controlling the release of fuel vapors from the charcoal canister to the intake manifold, reducing harmful emissions and improving fuel efficiency. It is commonly used to address issues such as:

  • Check engine light triggered by EVAP system faults
  • Rough idling or engine hesitation due to vapor flow problems
  • Failed emissions tests related to vapor leaks
  • Fuel odor caused by vapor canister malfunction
  • Reduced fuel economy linked to purge solenoid failure

Installation Notes and Tips

When installing the Standard Ignition CP501 solenoid on Acura CL or NSX models, ensure the female connector aligns properly with the vehicle’s wiring harness. Verify that the two 3/8 inch hose connectors are securely attached to the vapor lines to prevent leaks. Use appropriate tools to connect the blade terminals firmly and avoid damage to the solenoid or connectors during installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet OEM standards for fit, form, and function. The CP501 vapor canister purge solenoid undergoes rigorous quality control to ensure reliable operation within Acura CL and NSX emission systems. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberCP501
Connector GenderFemale
Hose Size - Inches3/8
Terminal GenderMale
Terminal TypeBlade

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999AcuraCL3.0LV6N/A
1999AcuraNSX3.0LV6N/A
1998AcuraCL3.0LV6N/A
1998AcuraNSX3.0LV6N/A
1997AcuraCL3.0LV6N/A
1997AcuraNSX3.0LV6N/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:

2-2836162M110136162P8AA0173-1437CP591CPC2043PV467

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.