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Standard Ignition CP438 Vapor CanisterOE Quality 60-Day Returns
Part #: CP438

Standard Ignition CP438 Vapor Canister

83 vehicles fit this part
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Fitment: Cadillac, Chevrolet, GMC, and Hummer, Escalade ESV, Suburban, Yukon XL, Suburban 1500, Yukon XL 1500, Escalade EXT, Avalanche, H2, and Avalanche 1500
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Overview of Standard Ignition Vapor Canister CP438

The Standard Ignition CP438 vapor canister is designed to support the evaporative emission control system in select GM vehicles. This black vapor canister includes a built-in filter element and features three hose connectors and ports, ensuring proper vapor management for models like the Chevrolet Avalanche and Cadillac Escalade EXT.

  • Color/Finish: Black
  • Filter Element Included: Yes
  • Hose Connector Quantity: 3
  • Port Quantity: 3
  • Length: 12.4 inches

Detailed Product Description

The CP438 vapor canister by Standard Ignition is engineered to capture fuel vapors from the fuel tank and prevent them from escaping into the atmosphere. Its three hose connectors and ports allow for efficient routing of vapor lines, compatible with the evaporative system designs of vehicles such as the GMC Yukon XL 1500 and Hummer H2. The included filter element helps maintain system integrity by filtering contaminants, while the durable black finish provides corrosion resistance and long service life. Measuring 12.4 inches in length, this vapor canister fits securely within the designated mounting area of your vehicle’s emission control system.

Compatible Vehicles and Applications

This vapor canister is compatible with the following makes and models:

  • Cadillac Escalade ESV and Escalade EXT
  • Chevrolet Avalanche and Avalanche 1500
  • GMC Yukon XL and Yukon XL 1500
  • GMC Suburban 1500
  • Hummer H2

Common Issues Addressed by Vapor Canister CP438

  • Prevents fuel vapor leaks that trigger the check engine light
  • Reduces evaporative emissions for compliance with environmental regulations
  • Eliminates fuel odor caused by vapor system failure
  • Improves fuel system efficiency by capturing and recycling vapors
  • Resolves rough idle or stalling related to vapor canister malfunction

Installation Notes and Tips

  • Ensure all hose connections are secure to prevent vapor leaks
  • Verify compatibility with your vehicle’s model year and emission system
  • Replace any worn or cracked hoses during installation for optimal performance
  • Follow manufacturer torque specifications for mounting hardware
  • Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The CP438 vapor canister undergoes rigorous quality control to ensure reliable performance in emission control systems. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship under normal use conditions.

BrandStandard Ignition
Part NumberCP438
Color/FinishBlack
Filter Element IncludedYes
Length - Inches12.4"

This part fits 83 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016CadillacEscalade ESVN/A
2016GMCYukon XL5.3LV8N/A
2016GMCYukon XL6.2LV8N/A
2015CadillacEscalade ESVN/A
2015GMCYukon XL5.3LV8N/A
2015GMCYukon XL6.2LV8N/A
2014CadillacEscalade ESVN/A
2014ChevroletSuburban 15005.3LV8N/A
2014GMCYukon XL 15005.3LV8N/A
2014GMCYukon XL 15006.2LV8N/A
2013CadillacEscalade ESV6.2LV8N/A
2013CadillacEscalade EXT6.2LV8N/A
2013ChevroletSuburban 15005.3LV8N/A
2013GMCYukon XL 15005.3LV8N/A
2012CadillacEscalade ESV6.2LV8N/A
2012CadillacEscalade EXT6.2LV8N/A
2012ChevroletAvalanche5.3LV8N/A
2012ChevroletSuburban 15005.3LV8N/A
2012ChevroletSuburban 15006.0LV8N/A
2012GMCYukon XL 15005.3LV8N/A
2012GMCYukon XL 15006.2LV8N/A
2011CadillacEscalade ESV6.2LV8N/A
2011CadillacEscalade EXT6.2LV8N/A
2011ChevroletAvalanche5.3LV8N/A
2011ChevroletSuburban 15005.3LV8N/A
2011ChevroletSuburban 15006.0LV8N/A
2011GMCYukon XL 15005.3LV8N/A
2011GMCYukon XL 15006.2LV8N/A
2010CadillacEscalade ESV6.2LV8N/A
2010CadillacEscalade EXT6.2LV8N/A
2010ChevroletAvalanche5.3LV8N/A
2010ChevroletSuburban 15005.3LV8N/A
2010GMCYukon XL 15005.3LV8N/A
2010GMCYukon XL 15006.2LV8N/A
2009CadillacEscalade ESVN/A
2009CadillacEscalade EXTN/A
2009ChevroletAvalanche5.3LV8N/A
2009ChevroletAvalanche6.0LV8N/A
2009ChevroletSuburban 15005.3LV8N/A
2009ChevroletSuburban 15006.0LV8N/A
2009GMCYukon XL 15005.3LV8N/A
2009GMCYukon XL 15006.0LV8N/A
2009HummerH2N/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008ChevroletAvalanche5.3LV8N/A
2008ChevroletAvalanche6.0LV8N/A
2008ChevroletSuburban 15005.3LV8N/A
2008ChevroletSuburban 15006.0LV8N/A
2008GMCYukon XL 15006.2LV8N/A
2008HummerH2N/A
2007CadillacEscalade ESVN/A
2007CadillacEscalade EXTN/A
2007ChevroletAvalanche5.3LV8N/A
2007ChevroletAvalanche6.0LV8N/A
2007ChevroletSuburban 15005.3LV8N/A
2007ChevroletSuburban 15006.0LV8N/A
2007GMCYukon XL 15005.3LV8N/A
2007GMCYukon XL 15006.0LV8N/A
2007GMCYukon XL 15006.2LV8N/A
2007HummerH2N/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletSuburban 15005.3LV8N/A
2006ChevroletSuburban 15006.0LV8N/A
2006GMCYukon XL 15006.0LV8N/A
2006GMCYukon XL 15005.3LV8N/A
2006HummerH2N/A
2005CadillacEscalade ESVN/A
2005CadillacEscalade EXTN/A
2005ChevroletAvalanche 1500N/A
2005ChevroletSuburban 15005.3LV8N/A
2005GMCYukon XL 15005.3LV8N/A
2005GMCYukon XL 15006.0LV8N/A
2005HummerH2N/A
2004CadillacEscalade ESVN/A
2004CadillacEscalade EXTN/A
2004ChevroletAvalanche 1500N/A
2004ChevroletSuburban 15005.3LV8GASN/A
2004GMCYukon XL 15005.3LV8N/A
2004GMCYukon XL 15006.0LV8N/A
2004HummerH2N/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:

103501582-282538215-4574B119973-10175911-199CP528CPN1063FVCC20000

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

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