HomeHVAC > A/C Clutch and CompressorDorman 34153 A/C Compressor Bypass Pulley
Part #: 34153

Dorman 34153 A/C Compressor Bypass Pulley

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38 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Pontiac, Buick, and Oldsmobile, Cavalier, Sunfire, Beretta, Corsica, Skylark, Achieva, and Grand Am
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Reliable A/C Compressor Bypass Pulley for Buick and Chevrolet Models

The Dorman 34153 A/C Compressor Bypass Pulley is designed to provide a durable and efficient solution for select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with a combination of an aluminum bracket and a plastic pulley, this part ensures reliable performance in your vehicle's HVAC system.

  • Material: Aluminum bracket with plastic pulley for strength and durability
  • Outside Diameter: 127 mm for precise fitment
  • Compatible with serpentine belt systems
  • Includes mounting bracket and installation hardware
  • Installation instructions provided for ease of replacement
  • Designed for FS10 compressor type applications
  • Package includes one pulley, bracket, and hardware

Durable Construction and Precise Fitment

The Dorman 34153 bypass pulley features a robust aluminum bracket paired with a plastic pulley, balancing strength and weight to maintain optimal belt tension and alignment. With an outside diameter of 127 mm, it is engineered specifically for serpentine belt systems used in FS10 compressors. This ensures compatibility and smooth operation within the HVAC system of your Buick Achieva, Chevrolet Cavalier, Corsica, Pontiac Grand Am, Oldsmobile Skylark, and Sunfire models. The included mounting bracket and hardware simplify installation, while the detailed instructions help guide the process.

Compatible Vehicles and Applications

This A/C compressor bypass pulley is compatible with the following makes and models:

  • Buick Achieva
  • Chevrolet Cavalier and Corsica
  • Oldsmobile Skylark
  • Pontiac Grand Am and Sunfire

It is designed to replace worn or damaged pulleys in vehicles equipped with FS10 compressors and serpentine belt systems, restoring proper belt routing and tension.

Common Issues Addressed by This Bypass Pulley

  • Worn or damaged A/C compressor pulley causing belt slippage
  • Noise or vibration from a failing pulley assembly
  • Improper belt alignment affecting HVAC system performance
  • Failure of the original pulley bracket leading to instability
  • Replacement of corroded or broken mounting hardware

Installation Notes and Tips

  • Installation hardware and mounting bracket are included for convenience
  • Follow the provided instructions carefully to ensure proper alignment
  • Verify belt routing matches factory specifications after installation
  • Inspect the serpentine belt for wear and replace if necessary
  • Use appropriate tools to avoid damage to the pulley or bracket

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The 34153 A/C Compressor Bypass Pulley undergoes quality checks to maintain durability and performance. Installation instructions are included to support proper replacement. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number34153
Belt TypeSerpentine
Compressor TypeFs10
Installation Instructions IncludedYes
MaterialAluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedNo
Number of Pulleys Included1
Outside Diameter127
Package ContentsPulley; Bracket; and Installation Hardware

This part fits 38 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2002ChevroletCavalier2.2LL4N/A
2002PontiacSunfire2.2LL4N/A
2001ChevroletCavalier2.2LL4N/A
2001PontiacSunfire2.2LL4N/A
2000ChevroletCavalier2.2LL4N/A
2000PontiacSunfire2.2LL4N/A
1999ChevroletCavalier2.2LL4N/A
1999PontiacSunfire2.2LL4N/A
1998ChevroletCavalierBaseN/A
1998PontiacSunfire2.2LL4N/A
1997ChevroletCavalierBaseN/A
1996ChevroletCavalierBaseN/A
1996ChevroletCorsica2.2LL4N/A
1995BuickSkylark2.3LL4N/A
1995ChevroletCavalierN/A
1995ChevroletCorsica2.2LL4N/A
1995OldsmobileAchieva2.3LL4N/A
1995PontiacGrand Am2.3LL4N/A
1995PontiacSunfireN/A
1994BuickSkylark2.3LL4N/A
1994ChevroletCavalier2.2LL4N/A
1994ChevroletCorsica2.2LL4N/A
1994OldsmobileAchieva2.3LL4N/A
1994PontiacGrand Am2.3LL4N/A
1993BuickSkylark2.3LL4N/A
1993ChevroletCavalier2.2LL4N/A
1993ChevroletCorsica2.2LL4N/A
1993OldsmobileAchieva2.3LL4N/A
1993PontiacGrand Am2.3LL4N/A
1992BuickSkylark2.3LL4N/A
1992ChevroletCavalier2.2LL4N/A
1992ChevroletCorsica2.2LL4N/A
1992OldsmobileAchieva2.3LL4N/A
1992PontiacGrand Am2.3LL4N/A
1991ChevroletCavalier2.2LL4N/A
1991ChevroletCorsica2.2LL4N/A
1990ChevroletCavalier2.2LL4N/A
1990ChevroletCorsica2.2LL4N/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.