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Standard Ignition CP422 Vapor Canister Vent SolenoidOE Quality 60-Day Returns
Part #: CP422

Standard Ignition CP422 Vapor Canister Vent Solenoid

86 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, Oldsmobile, Saturn, and Cadillac, Trailblazer, Envoy, 9-7x, Ascender, Rainier, SSR, Trailblazer EXT, Envoy XL, Astro, Blazer, Envoy XUV, Safari, S10, Sonoma, Bravada, L300, Seville, Impala, and Jimmy
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Vapor Canister Vent Solenoid for OE-Style Emissions Control

Standard Ignition CP422 is a vapor canister vent solenoid built for emissions-system service on a wide range of GM and related applications. It uses industrial-grade materials and end-of-line testing to support consistent operation in the vapor recovery system.

Compatible with vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x, this CP422 replacement is a direct-fit style solution for vapor canister vent control service.

Key Features

  • Vapor canister vent solenoid for emission control service
  • Standard Ignition CP422 replacement part number
  • 1 hose connector with 14 mm hose size
  • 1 port with 7.5 mm outer diameter
  • 2 blade-style male terminals
  • Built with durable materials for extended service life
  • End-of-line tested for quality verification

Detailed Description

Standard Ignition CP422 is engineered as an OE-style vapor canister vent solenoid for vehicles that rely on precise evaporative emissions control. It is used in vapor canister systems to manage venting during normal operation and diagnostic events. This part number, CP422, is listed across multiple interchange references and is used in applications including Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x models, along with other GM platforms such as the Buick Rainier, Chevrolet SSR, and GMC Safari.

This part cross-references Dorman OE Solutions 911-033 and Gates PV426 for the same application.

Common Issues This Part May Address

  • Evaporative emissions fault codes related to vent control
  • Fuel vapor system venting problems
  • Check engine light concerns tied to the EVAP system
  • Rough EVAP monitor performance during diagnostics
  • Vent solenoid electrical or mechanical failure

Installation Notes and Tips

  • Verify connector style, hose size, and port layout before installation.
  • Confirm fitment by year, make, and model, especially on Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x applications.
  • Inspect the vapor canister area and related hoses for damage or blockage before replacing the solenoid.
  • Use the vehicle’s service information to confirm the correct EVAP component location and routing.

Quality Assurance

Standard Ignition states that this CP422 vapor canister vent solenoid is manufactured to meet or exceed original equipment specifications, using high-grade materials and end-of-line testing to support consistent performance and service life.

BrandStandard Ignition
Part NumberCP422
ContentsSolenoid
Hose Size - mm14 mm
Outer diameter (mm)7.5MM
Terminal GenderMale
Terminal TypeBlade

This part fits 86 vehicles. Search below:

YearMakeModel# DoorsLitersCylindersPositionNotes
2009ChevroletTrailblazerN/A
2009GMCEnvoyN/A
2009Saab9-7xN/A
2008ChevroletTrailblazerN/A
2008GMCEnvoyN/A
2008IsuzuAscender4.2LL6N/ABy Vapor Canister
2008Saab9-7xN/A
2007BuickRainierN/A
2007ChevroletTrailblazerN/A
2007GMCEnvoyN/A
2007IsuzuAscender4.2LL6N/ABy Vapor Canister
2007Saab9-7xN/A
2006BuickRainierN/A
2006ChevroletSSR6.0LV8N/A
2006ChevroletTrailblazerN/A
2006ChevroletTrailblazer EXTN/A
2006GMCEnvoyN/A
2006GMCEnvoy XLN/A
2006IsuzuAscender4.2LL6N/ABy Vapor Canister
2006IsuzuAscender5.3LV8N/ABy Vapor Canister
2006Saab9-7xN/A
2005BuickRainierN/A
2005ChevroletAstroN/A
2005ChevroletBlazer4 DoorN/A
2005ChevroletSSR6.0LV8N/A
2005ChevroletTrailblazerN/A
2005ChevroletTrailblazer EXTN/A
2005GMCEnvoyN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005GMCSafariN/A
2005IsuzuAscender5.3LV8N/ABy Vapor Canister
2005IsuzuAscender4.2LL6N/ABy Vapor Canister
2005Saab9-7xN/A
2004BuickRainierN/A
2004ChevroletAstroN/A
2004ChevroletBlazer4 DoorN/A
2004ChevroletS104.3LV6N/ARectangular Shape
2004ChevroletSSR5.3LV8N/A
2004ChevroletTrailblazerN/A
2004ChevroletTrailblazer EXTN/A
2004GMCEnvoyN/A
2004GMCEnvoy XLN/A
2004GMCEnvoy XUVN/A
2004GMCSafariN/A
2004GMCSonoma4.3LV6N/A
2004IsuzuAscender4.2LL6N/ABy Vapor Canister
2004IsuzuAscender5.3LV8N/ABy Vapor Canister
2004OldsmobileBravada4.2LL6N/A
2004SaturnL3003.0LV6N/A
2003CadillacSevilleN/A
2003ChevroletAstroN/A
2003ChevroletBlazer4 DoorN/A
2003ChevroletSSR5.3LV8N/A
2003ChevroletTrailblazerN/A
2003ChevroletTrailblazer EXTN/A
2003GMCEnvoyN/A
2003GMCEnvoy XLN/A
2003GMCJimmy4.3LV6N/A
2003GMCSafariN/A
2003IsuzuAscender4.2LL6N/ABy Vapor Canister
2003IsuzuAscender5.3LV8N/ABy Vapor Canister
2003OldsmobileBravadaN/A
2002CadillacSevilleN/A
2002ChevroletAstroN/A
2002ChevroletBlazer4 DoorN/A
2002ChevroletS104 DoorN/A
2002ChevroletTrailblazerN/A
2002ChevroletTrailblazer EXTN/A
2002GMCEnvoyN/A
2002GMCEnvoy XLN/A
2002GMCSafariN/A
2002GMCSonoma4 DoorN/A
2002OldsmobileBravadaN/A
2001CadillacSevilleN/A
2001ChevroletAstroN/A
2001ChevroletBlazer4 DoorN/A
2001ChevroletImpalaN/ARectangular Shape
2001ChevroletS104 DoorN/A
2001GMCJimmy4 DoorN/A
2001GMCSafariN/A
2001GMCSonoma4 DoorN/A
2001OldsmobileBravadaN/A
2000CadillacSevilleN/A
2000ChevroletImpalaN/ARectangular Shape
1999CadillacSevilleN/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:

103771962-28249214-16902M1060600357573-13968219968680911-033CP512CPC1007PV426

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

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