HomeEmission Control > Evaporative SystemDorman 911-301 Vapor Canister
Part #: 911-301

Dorman 911-301 Vapor Canister

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56 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, and Hummer, Colorado, Canyon, H3, and H3T
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Reliable Vapor Canister for Chevrolet, GMC, and Hummer Vehicles

The Dorman 911-301 vapor canister is designed to support the evaporative emission control system in select Chevrolet, GMC, and Hummer models. This component helps reduce harmful fuel vapors from escaping into the atmosphere, maintaining compliance with emission standards.

  • Length: 12.25 inches for optimal fitment
  • Three ports with outside diameters of 0.318, 0.625, and 0.627 inches
  • Durable black plastic housing for corrosion resistance
  • Includes charcoal filter element for effective vapor absorption
  • Package contains one vapor canister and one mounting bracket
  • Compatible with Chevrolet Canyon, Colorado, GMC Canyon, Colorado, Hummer H3, and H3T

Product Details and Specifications

The Dorman 911-301 vapor canister features a robust plastic housing designed to withstand the rigors of the evaporative system environment. Its charcoal filter element efficiently captures fuel vapors, preventing their release into the atmosphere. The canister measures 12.25 inches in length and includes three ports with precise outside diameters (0.318, 0.625, and 0.627 inches) to ensure proper connection within the evaporative system. This part does not include mounting hardware beyond the supplied bracket and has no connectors or terminals, simplifying installation.

Compatible Vehicles and Applications

This vapor canister is compatible with specific models from Chevrolet, GMC, and Hummer, including the Chevrolet Canyon and Colorado, GMC Canyon and Colorado, and Hummer H3 and H3T. The part number 911-301 ensures you receive the correct component for these vehicles' evaporative emission control systems.

Common Issues Addressed by the Vapor Canister

  • Prevents fuel vapor leaks that trigger the check engine light
  • Reduces evaporative emissions to meet environmental regulations
  • Eliminates fuel odor caused by vapor system failures
  • Helps maintain proper fuel system pressure and performance
  • Resolves issues related to failed charcoal filter elements

Installation Notes and Tips

Installation of the Dorman 911-301 vapor canister requires basic mechanical skills and tools. Ensure the vehicle is parked on a level surface and the engine is cool before beginning. The package includes a mounting bracket but does not include additional mounting hardware, so verify existing hardware condition before installation. Carefully connect the vapor lines to the corresponding ports based on their diameters to avoid leaks. Inspect all hoses and connectors for wear or damage during replacement.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 911-301 vapor canister undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.

BrandDorman
Part Number911-301
Color/FinishBlack
Connector Quantity0
Filter Element MaterialCharcoal
Filter Elements IncludedYes
Housing MaterialPlastic
Inside Diameter0.318
Inside Diameter0.625
Inside Diameter0.627
Length12.25
Mounting Hardware IncludedNo
Package Contents1 Vapor Canister; 1 Mounting Bracket
Port Outside Diameter0.318
Port Outside Diameter0.625
Port Outside Diameter0.627
Port Quantity3
Terminal Quantity0

This part fits 56 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012ChevroletColorado5.3LV8N/A
2012ChevroletColorado3.7LL5N/A
2012ChevroletColorado2.9LL4N/A
2012GMCCanyon5.3LV8N/A
2012GMCCanyon3.7LL5N/A
2012GMCCanyon2.9LL4N/A
2011ChevroletColorado5.3LV8N/A
2011ChevroletColorado3.7LL5N/A
2011ChevroletColorado2.9LL4N/A
2011GMCCanyon5.3LV8N/A
2011GMCCanyon3.7LL5N/A
2011GMCCanyon2.9LL4N/A
2010ChevroletColorado5.3LV8N/A
2010ChevroletColorado3.7LL5N/A
2010ChevroletColorado2.9LL4N/A
2010GMCCanyon5.3LV8N/A
2010GMCCanyon3.7LL5N/A
2010GMCCanyon2.9LL4N/A
2010HummerH35.3LV8N/A
2010HummerH33.7LL5N/A
2010HummerH3T5.3LV8N/A
2010HummerH3T3.7LL5N/A
2009ChevroletColorado5.3LV8N/A
2009ChevroletColorado3.7LL5N/A
2009ChevroletColorado2.9LL4N/A
2009GMCCanyon5.3LV8N/A
2009GMCCanyon3.7LL5N/A
2009GMCCanyon2.9LL4N/A
2009HummerH35.3LV8N/A
2009HummerH33.7LL5N/A
2009HummerH3T5.3LV8N/A
2009HummerH3T3.7LL5N/A
2008ChevroletColorado3.7LL5N/A
2008ChevroletColorado2.9LL4N/A
2008GMCCanyon3.7LL5N/A
2008GMCCanyon2.9LL4N/A
2008HummerH35.3LV8N/A
2008HummerH33.7LL5N/A
2007ChevroletColorado3.7LL5N/A
2007ChevroletColorado2.9LL4N/A
2007GMCCanyon3.7LL5N/A
2007GMCCanyon2.9LL4N/A
2007HummerH33.7LL5N/A
2006ChevroletColorado2.8LL4N/A
2006ChevroletColorado3.5LL5N/A
2006GMCCanyon2.8LL4N/A
2006GMCCanyon3.5LL5N/A
2006HummerH33.5LL5N/A
2005ChevroletColorado2.8LL4N/A
2005ChevroletColorado3.5LL5N/A
2005GMCCanyon2.8LL4N/A
2005GMCCanyon3.5LL5N/A
2004ChevroletColorado2.8LL4N/A
2004ChevroletColorado3.5LL5N/A
2004GMCCanyon2.8LL4N/A
2004GMCCanyon3.5LL5N/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:

151662754B1202CP433CP523VC4125

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