HomeHVAC > A/C Clutch and CompressorDorman 34272 A/C Compressor Bypass Pulley
Part #: 34272

Dorman 34272 A/C Compressor Bypass Pulley

N/A
9 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 and Pontiac, Malibu, G6, Impala, and Monte Carlo
Easy Returns — Return within 60 days for a full refund
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Overview of Dorman A/C Compressor Bypass Pulley 34272

The Dorman A/C Compressor Bypass Pulley 34272 is designed specifically for select Chevrolet and Pontiac models, including the G6, Impala, Malibu, and Monte Carlo. This replacement part features a durable aluminum bracket paired with a plastic pulley, engineered to work with GM CVC compressors and serpentine belt systems.

  • Material: Aluminum bracket with plastic pulley
  • Outside Diameter: 4.22 inches
  • Compatible with serpentine belt systems
  • Includes mounting bracket; mounting hardware not included
  • Designed for GM CVC compressor type
  • Package contains one bracket and one pulley

Detailed Product Description

The Dorman 34272 A/C Compressor Bypass Pulley is a precision replacement part tailored for HVAC systems in Chevrolet and Pontiac vehicles. Its aluminum bracket provides strength and corrosion resistance, while the plastic pulley ensures smooth operation within the serpentine belt system. With an outside diameter of 4.22 inches, this pulley is engineered to maintain proper belt tension and alignment, critical for efficient A/C compressor bypass function. Compatible with GM CVC compressors, this part supports reliable HVAC performance in models such as the Chevrolet Malibu and Pontiac G6.

Common Applications and Problem Resolution

  • Replaces worn or damaged A/C compressor bypass pulleys
  • Addresses belt slippage or misalignment issues in serpentine systems
  • Resolves noise caused by pulley wear or bearing failure
  • Prevents overheating of the A/C compressor due to pulley malfunction
  • Restores proper function to HVAC systems in Chevrolet Impala and Monte Carlo vehicles

Installation Notes and Tips

This product includes the mounting bracket but does not come with mounting hardware or installation instructions. Professional installation is recommended to ensure correct fitment and alignment. Verify compatibility with your vehicle’s GM CVC compressor type before installation. Use appropriate tools to avoid damage to the aluminum bracket or plastic pulley during mounting.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 34272 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number34272
Belt TypeSerpentine
Compressor TypeGM CVC
Installation Instructions IncludedNo
MaterialAluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedNo
Number of Pulleys Included1
Outside Diameter4.22
Package ContentsBracket and Pulleys

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ChevroletMalibu3.5LV6N/A
2006PontiacG63.5LV6N/A
2005ChevroletImpala3.4LV6N/A
2005ChevroletMalibu3.5LV6N/A
2005ChevroletMonte Carlo3.4LV6N/A
2005PontiacG63.5LV6N/A
2004ChevroletImpala3.4LV6N/A
2004ChevroletMalibu3.5LV6N/A
2004ChevroletMonte Carlo3.4LV6N/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:

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