Dorman 34229 A/C Compressor Bypass Pulley

Brand Dorman 34229
Belt Type Serpentine
Compressor Type Fs10
Installation Instructions Included Yes
Material Aluminum Bracket
Material Plastic Pulley
Mounting Bracket Included Yes
Mounting Hardware Included No
Number of Pulleys Included 1
Outside Diameter 120
Package Contents Pulley; Bracket; and Installation Hardware
Fits Dodge · 14 vehicles

Bypass pulley. Lets the original drive belt stay in use while bypassing an inoperable A/C compressor.

Aluminum bracket. Plastic pulley construction keeps the assembly lightweight and practical.

Serpentine belt fit. Works with a serpentine belt setup for straightforward replacement.

Cross-references Four Seasons 2769NK, Four Seasons 78545 and Four Seasons TSN2612 for the same application. See all 19.

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Dorman 34229 A/C Compressor Bypass Pulley

Dorman 34229 is an A/C compressor bypass pulley for vehicles equipped with an FS10 compressor. It lets the original serpentine belt stay in place while bypassing an inoperable A/C compressor, making it a practical repair option for Dodge Ram 2500 and Dodge Ram 3500 trucks.

Key Features

  • Aluminum bracket with a plastic pulley for serviceable fitment
  • 120 mm outside diameter
  • Designed for serpentine belt systems
  • Mounting bracket included
  • Installation instructions included
  • Built for FS10 compressor applications

Detailed Description

This Dorman A/C compressor bypass pulley is intended for vehicles where the original compressor is no longer operating but the drive belt still needs to route correctly. Part number 34229 provides a direct way to keep the serpentine belt aligned without replacing the compressor assembly, which can help restore belt routing on 1996-2002 Dodge Ram 2500 and 1996-2002 Dodge Ram 3500 applications. This part cross-references Four Seasons 2769NK for the same application.

What It Helps Solve

  • Broken or seized A/C compressor pulley operation
  • Belt routing issues after compressor failure
  • Need to retain the original equipment serpentine belt
  • Loss of accessory drive function caused by an inoperable compressor
  • Repair needs on Dodge Ram 2500 and Dodge Ram 3500 trucks with FS10 compressor setups

Installation Notes and Tips

Verify compressor type before installation; this bypass pulley is specified for FS10 applications. Confirm belt alignment, bracket placement, and pulley clearance during installation. Installation instructions are included, and the package contains the pulley, bracket, and installation hardware. Mounting hardware is not listed as included separately.

Quality Assurance

Built by Dorman for a specific OE-style repair application, this bypass pulley is engineered to replace the failed compressor function in the belt path while maintaining proper drive routing. Use it on confirmed 1996-2002 Dodge Ram 2500 and Dodge Ram 3500 fitments with the correct compressor configuration.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 25005.9LL6N/A
2002DodgeRam 35005.9LL6N/A
2001DodgeRam 25005.9LL6N/A
2001DodgeRam 35005.9LL6N/A
2000DodgeRam 25005.9LL6N/A
2000DodgeRam 35005.9LL6N/A
1999DodgeRam 25005.9LL6N/A
1999DodgeRam 35005.9LL6N/A
1998DodgeRam 25005.9LL6N/A
1998DodgeRam 35005.9LL6N/A
1997DodgeRam 25005.9LL6N/A
1997DodgeRam 35005.9LL6N/A
1996DodgeRam 25005.9LL6N/A
1996DodgeRam 35005.9LL6N/A
Directly replaces or cross-references 19 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 2769NKFour Seasons — 78545Four Seasons — TSN2612Global Parts Distributors LLC — 6511264UAC — CO4979ACUAC — KT1205UAC — KT1205AUAC — KT4477UAC — KT4477AUAC — KT4481UAC — KT4481AUAC — KT4482UAC — KT4482AUAC — KT5773UAC — KT5773AUAC — KT5774UAC — KT5774ASK34229TSN2611