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Standard Ignition CP781 Vapor Canister Purge SolenoidOE Quality 60-Day Returns
Part #: CP781

Standard Ignition CP781 Vapor Canister Purge Solenoid

33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Chevrolet, Encore, Trax, Sonic, Cruze Limited, and Cruze
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Not what you need? See all Vapor Canister Purge Solenoid options

Vapor Canister Purge Solenoid for GM Applications

Standard Ignition CP781 is a direct-fit vapor canister purge solenoid for emission control repair. It is built to replace damaged OE units and restore proper fuel vapor routing on supported Chevrolet Cruze, Chevrolet Sonic, Chevrolet Trax, Buick Encore, and Chevrolet Cruze Limited applications.

  • Direct replacement vapor canister purge solenoid
  • Female connector with 1 rectangular connector
  • 2 blade terminals for OE-style harness connection
  • 2-port design for purge system routing
  • OE-quality connectors and terminals for secure electrical contact
  • Machined mounting slot for faster bracket installation
  • Built to OE fit, form, and function expectations

Detailed Product Overview

The CP781 purge valve is engineered with industrial-grade materials for long service life and consistent operation in the evaporative emissions system. Its OE-style connector and terminal layout helps maintain a proper connection to the engine wire harness, while the precision-machined mounting slot supports easier installation on the bracket. This part cross-references Dorman OE Solutions 911-409 for the same application.

Compatible With 2011-2015 Chevrolet Cruze, 2012-2020 Chevrolet Sonic, 2013-2021 Chevrolet Trax, 2013-2018 Buick Encore, 2016 Chevrolet Cruze Limited, and 2019-2020 Buick Encore with ported vacuum switch and dual ports.

Common Symptoms It Can Address

  • Check engine light related to evaporative emissions faults
  • Fuel vapor leakage from a damaged purge valve
  • Rough idle caused by purge system malfunction
  • Hard starting after refueling
  • Incorrect purge flow in the EVAP system

Installation Notes

Verify connector shape, terminal style, and port layout before installation. Match the OE mounting location and confirm the harness connection seats fully into the female connector. For 2019-2020 Buick Encore applications, confirm the ported vacuum switch with dual ports configuration before ordering. Standard Ignition CP781 is also referenced by part number CP870 in related applications.

Quality Assurance

Standard Ignition manufactures this purge solenoid to meet OE fit, form, and function expectations using OE-quality electrical interfaces and durable construction materials.

BrandStandard Ignition
Part NumberCP781
Connector GenderFemale
Connector ShapeRectangular
Terminal GenderMale
Terminal TypeBlade

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021BuickEncore1.4LL4N/A
2021ChevroletTraxN/A
2020BuickEncore1.4LL4N/APorted vacuum switch with dual ports
2020ChevroletSonicN/A
2020ChevroletTrax1.4LL4N/A
2019BuickEncore1.4LL4N/APorted vacuum switch with dual ports
2019ChevroletSonicN/A
2019ChevroletTrax1.4LL4N/A
2018BuickEncore1.4LL4N/A
2018ChevroletSonicN/A
2018ChevroletTrax1.4LL4N/A
2017BuickEncore1.4LL4N/A
2017ChevroletSonicN/A
2017ChevroletTrax1.4LL4N/A
2016BuickEncore1.4LL4N/A
2016ChevroletCruze Limited1.4LL4N/A
2016ChevroletSonicN/A
2016ChevroletTrax1.4LL4N/A
2015BuickEncore1.4LL4N/A
2015ChevroletCruze1.4LL4N/A
2015ChevroletSonicN/A
2015ChevroletTrax1.4LL4N/A
2014BuickEncore1.4LL4N/A
2014ChevroletCruze1.4LL4N/A
2014ChevroletSonicN/A
2014ChevroletTrax1.4LL4N/A
2013BuickEncore1.4LL4N/A
2013ChevroletCruze1.4LL4N/A
2013ChevroletSonicN/A
2013ChevroletTrax1.4LL4N/A
2012ChevroletCruze1.4LL4N/A
2012ChevroletSonicN/A
2011ChevroletCruze1.4LL4N/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:

2-2840162M12645557301773-1117477655351911-409CP870CPE1036PV704

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

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