HomeEmission Control > Evaporative SystemDorman 911-149 Vapor Canister
Part #: 911-149

Dorman 911-149 Vapor Canister

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67 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Chevrolet, GMC, and Buick, Escalade, Tahoe, Yukon, Rendezvous, CTS, and SRX
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Overview of the Dorman 911-149 Vapor Canister

The Dorman 911-149 vapor canister is designed to support the evaporative emission control system in select Buick, Cadillac, Chevrolet, and GMC vehicles. This component helps reduce harmful fuel vapors from escaping into the atmosphere, maintaining compliance with emission standards.

  • Length: 9.06 inches
  • Inside diameters: 0.26 inches and 0.45 inches
  • Filter element material: Carbon
  • Port quantity: 3 with outside diameters of 0.37 inches and 0.62 inches
  • Housing material: Durable black plastic
  • Filter elements included
  • No mounting hardware included
  • Connector and terminal quantity: 0

Detailed Product Description

The Dorman 911-149 vapor canister is engineered with a carbon filter element that effectively traps fuel vapors within the evaporative system. Its plastic housing ensures resistance to corrosion and environmental factors. The canister features three ports with precise outside diameters to fit securely within the evaporative system plumbing. Measuring 9.06 inches in length, it is designed to fit specific models from Buick, Cadillac, Chevrolet, and GMC, including the CTS, Escalade, Rendezvous, SRX, Tahoe, and Yukon. This vapor canister does not include mounting hardware, so ensure compatibility with your vehicle's existing setup before installation.

Compatible Vehicles and Applications

  • Buick Rendezvous
  • Cadillac CTS and Escalade
  • Chevrolet Tahoe
  • GMC SRX and Yukon

This vapor canister is intended for use in the evaporative emission control system to capture and store fuel vapors, preventing their release into the atmosphere.

Common Issues Addressed by the Vapor Canister

  • Fuel odor around the vehicle due to vapor leaks
  • Check engine light triggered by evaporative system faults
  • Failed emissions tests related to vapor leaks
  • Reduced fuel efficiency caused by vapor loss
  • Rough engine idle linked to vapor system malfunction

Installation Notes and Tips

  • Verify vehicle compatibility with Buick CTS, Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon before installation
  • Inspect existing hoses and connections for wear or damage
  • Ensure proper port alignment based on the specified outside diameters (0.37 and 0.62 inches)
  • Use appropriate tools to avoid damage to the plastic housing
  • Since mounting hardware is not included, retain original brackets or source compatible hardware

Quality Assurance and Warranty

Dorman manufactures this vapor canister to meet or exceed OEM specifications for fit and function. The carbon filter element is designed for effective vapor absorption and durability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.

BrandDorman
Part Number911-149
Color/FinishBlack
Connector Quantity0
Filter Element MaterialCarbon
Filter Elements IncludedYes
Housing MaterialPlastic
Inside Diameter0.26
Inside Diameter0.45
Length9.06
Mounting Hardware IncludedNo
Package Contents1 Vapor Canister
Port Outside Diameter0.37
Port Outside Diameter0.62
Port Quantity3
Terminal Quantity0

This part fits 67 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2016CadillacEscaladeAWD6.2LV8N/A
2016CadillacEscalade4WD6.2LV8N/A
2016ChevroletTahoe5.3LV8N/A
2016GMCYukon5.3LV8N/A
2016GMCYukon6.2LV8N/A
2015CadillacEscalade6.2LV8N/A
2015ChevroletTahoe5.3LV8N/A
2015GMCYukon5.3LV8N/A
2015GMCYukon6.2LV8N/A
2014CadillacEscalade6.2LV8N/A
2014ChevroletTahoe5.3LV8N/A
2014GMCYukon5.3LV8N/A
2014GMCYukon6.2LV8N/A
2013CadillacEscalade6.2LV8N/AExc. Advanced Hybrid System
2013ChevroletTahoe5.3LV8N/A
2013GMCYukon5.3LV8N/A
2013GMCYukon6.2LV8N/A
2012CadillacEscalade6.2LV8N/AExc. Advanced Hybrid System
2012ChevroletTahoe5.3LV8N/A
2012GMCYukon5.3LV8N/A
2012GMCYukon6.2LV8N/A
2011CadillacEscalade6.2LV8N/AExc. Advanced Hybrid System
2011ChevroletTahoe5.3LV8N/A
2011GMCYukon5.3LV8N/A
2011GMCYukon6.2LV8N/A
2010CadillacEscalade6.2LV8N/AExc. Advanced Hybrid System
2010ChevroletTahoe5.3LV8N/A
2010GMCYukon6.2LV8N/A
2009CadillacEscalade6.2LV8N/AExc. Advanced Hybrid System
2009ChevroletTahoe5.3LV8N/A
2009ChevroletTahoe4.8LV8N/A
2009ChevroletTahoe6.2LV8N/A
2009GMCYukon5.3LV8N/A
2009GMCYukon4.8LV8N/A
2009GMCYukon6.2LV8N/A
2008CadillacEscalade6.2LV8N/AExc. Advanced Hybrid System
2008ChevroletTahoe4.8LV8N/A
2008ChevroletTahoe6.2LV8N/A
2008GMCYukon4.8LV8N/A
2008GMCYukon6.2LV8N/A
2007ChevroletTahoe4.8LV8N/A
2007GMCYukon4.8LV8N/A
2007GMCYukon6.2LV8N/A
2006CadillacEscalade6.0LV8N/A
2006ChevroletTahoe4.8LV8N/A
2006GMCYukon6.0LV8N/A
2006GMCYukon4.8LV8N/A
2005BuickRendezvous3.6LV6N/A
2005CadillacCTS3.6LV6N/A
2005CadillacEscalade5.3LV8N/A
2005CadillacEscalade6.0LV8N/A
2005CadillacSRX3.6LV6N/A
2005ChevroletTahoe5.3LV8N/A
2005ChevroletTahoe4.8LV8N/A
2005GMCYukon5.3LV8N/A
2005GMCYukon6.0LV8N/A
2005GMCYukon4.8LV8N/A
2004BuickRendezvous3.6LV6N/A
2004CadillacCTS3.6LV6N/A
2004CadillacEscalade5.3LV8N/A
2004CadillacEscalade6.0LV8N/A
2004CadillacSRX3.6LV6N/A
2004ChevroletTahoe5.3LV8GASN/A
2004ChevroletTahoe4.8LV8N/A
2004GMCYukon5.3LV8GASN/A
2004GMCYukon6.0LV8N/A
2004GMCYukon4.8LV8N/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:

125736484B1200CP434CP524VC4123

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