Dorman 34272 A/C Compressor Bypass Pulley

Brand Dorman 34272
Belt Type Serpentine
Compressor Type GM CVC
Installation Instructions Included No
Material Aluminum Bracket
Material Plastic Pulley
Mounting Bracket Included Yes
Mounting Hardware Included No
Number of Pulleys Included 1
Outside Diameter 4.22
Package Contents Bracket and Pulleys
Fits Chevrolet and Pontiac · 9 vehicles

Bypass pulley solution. Keeps the original drive belt in use while bypassing an inoperable compressor.

Aluminum bracket. With a plastic pulley for a practical, lightweight design.

Bracket included. Package contains the bracket and pulley for a complete assembly.

Cross-references Four Seasons 67239, Four Seasons 68239 and Global Parts Distributors LLC 6512515 for the same application. See all 11.

$77.58Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $77.58
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 34272 A/C Compressor Bypass Pulley

Dorman 34272 is an A/C compressor bypass pulley for vehicles equipped with a GM CVC compressor setup. It lets the original serpentine belt stay in place while bypassing an inoperable A/C compressor, making it a practical repair option for select Chevrolet and Pontiac applications.

Key Features

  • Aluminum bracket with a plastic pulley for a service-focused replacement design
  • Outside diameter measures 4.22 inches
  • Built for serpentine belt systems
  • Mounting bracket included for installation on the compressor location
  • Designed for GM CVC compressor applications
  • Package contents include bracket and pulleys

Application Details

This bypass pulley is used when the A/C compressor has failed and the belt path needs to remain intact. It is a direct-fit solution for select 2004-2006 Chevrolet Malibu, 2004-2005 Chevrolet Impala, 2004-2005 Chevrolet Monte Carlo, and 2005-2006 Pontiac G6 models. Dorman 34272 also cross-references Four Seasons 67239 for the same application.

What It Helps Solve

  • Serpentine belt routing issues after A/C compressor failure
  • Belt noise caused by a seized or inoperable compressor
  • Loss of accessory drive function when the compressor cannot turn
  • Need to keep the factory belt in service without replacing the full A/C compressor assembly

Installation Notes

Verify GM CVC compressor fitment before installation. Mounting hardware is not included, and installation instructions are not included. Confirm belt alignment, pulley tracking, and bracket seating during installation to maintain proper serpentine belt operation on Chevrolet Malibu, Impala, Monte Carlo, and Pontiac G6 applications.

Quality Assurance

Built by Dorman, this bypass pulley is engineered as a cost-effective repair part for restoring belt drive operation when the original A/C compressor is no longer usable.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 67239Four Seasons — 68239Global Parts Distributors LLC — 6512515UAC — CO105115CUAC — KT1787UAC — KT1787AUAC — KT6265UAC — KT6265A4719199TSN1857TSR1857