HomeEmission Control > Evaporative SystemStandard Ignition CP684 Vapor Canister Purge Solenoid
Part #: CP684

Standard Ignition CP684 Vapor Canister Purge Solenoid

3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$213.94Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Acura, TSX
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Vapor Canister Purge Solenoid CP684

The Standard Ignition CP684 vapor canister purge solenoid is designed specifically for Acura TSX 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
  • Connector Quantity: 1
  • Connector Shape: Round rectangle
  • Contains a valve for vapor control
  • Hose Connector Quantity: 2
  • Hose Size: 8 mm
  • Port Quantity: 2
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Blade

Detailed Product Description

The CP684 vapor canister purge solenoid from Standard Ignition is engineered to meet the specifications of Acura TSX vehicles. Featuring a female round rectangle connector and two 8 mm hose connectors, this solenoid valve regulates the flow of fuel vapors from the charcoal canister to the intake manifold. It includes two blade-type male terminals for secure electrical connections, ensuring reliable operation within the emission control system. The dual port design supports efficient vapor management, contributing to reduced emissions and improved engine performance.

Common Applications and Issues Addressed

  • Prevents fuel vapor leaks that can trigger the check engine light
  • Helps resolve rough idling caused by faulty purge solenoid operation
  • Reduces evaporative emissions to comply with environmental standards
  • Improves fuel economy by controlling vapor flow accurately
  • Eliminates drivability problems related to vapor canister malfunction

Installation Notes and Tips

When installing the Standard Ignition CP684 solenoid on an Acura TSX, ensure the female connector aligns properly with the vehicle’s wiring harness. Verify that the 8 mm hoses are securely attached to both ports to prevent vapor leaks. Use appropriate tools to connect the blade terminals firmly, avoiding loose electrical contacts. It is recommended to inspect the surrounding hoses and connectors for wear or damage during replacement.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit and function. The CP684 vapor canister purge solenoid undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details can be obtained from the product documentation or authorized distributors.

BrandStandard Ignition
Part NumberCP684
Connector GenderMale
ContentsSolenoid
Filter Element IncludedYes
Hose Size - mm8 mm
Terminal GenderMale
Terminal TypeBlade

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2008AcuraTSXN/A
2007AcuraTSXN/A
2006AcuraTSXN/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:

2-2839202M110436162RBBA0173-1440CP774CPC1603PV470

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