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Dorman 34197 A/C Compressor Bypass PulleyOE Quality 60-Day Returns
Part #: 34197

Dorman 34197 A/C Compressor Bypass Pulley

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78 vehicles fit this part
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Fitment: Chevrolet, GMC, Isuzu, Buick, Oldsmobile, and Pontiac, Lumina, Monte Carlo, S10, Sonoma, Hombre, Century, Cutlass Ciera, Cutlass Supreme, Grand Prix, Regal, Lumina APV, Silhouette, 6000, Trans Sport, Celebrity, and Fiero
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Overview of Dorman A/C Compressor Bypass Pulley 34197

The Dorman A/C Compressor Bypass Pulley 34197 is designed to provide reliable performance for various GM and Isuzu vehicles. Featuring a durable aluminum bracket and a plastic pulley, this part ensures smooth operation of the serpentine belt system in your Buick, Chevrolet, GMC, and other compatible models.

  • Material: Aluminum bracket with plastic pulley for durability and lightweight design
  • Outside Diameter: 110 mm for precise fitment
  • Includes mounting bracket and hardware for straightforward installation
  • Compatible with serpentine belt systems
  • Installation instructions included for ease of use
  • Compressor Type: Ltr4
  • Package contains one pulley and bracket

Detailed Product Description

The Dorman 34197 A/C Compressor Bypass Pulley is engineered to maintain proper belt tension and alignment in vehicles equipped with Ltr4 compressors. The aluminum bracket offers strength and corrosion resistance, while the plastic pulley reduces weight and noise during operation. This pulley is specifically designed for serpentine belt systems, ensuring compatibility with a range of Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models including the Buick Century, Chevrolet Monte Carlo, GMC Sonoma, and Pontiac Grand Prix.

Compatible Vehicles and Applications

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

  • Buick: Century, Regal
  • Chevrolet: Celebrity, Lumina, Lumina APV, Monte Carlo, S10, Silhouette
  • GMC: Sonoma, Hombre
  • Isuzu: Hombre, Pickup models
  • Oldsmobile: Cutlass Ciera, Cutlass Supreme
  • Pontiac: Fiero, Grand Prix, Trans Sport

Common Issues Addressed by This Pulley

  • Worn or damaged A/C compressor bypass pulley causing belt slippage
  • Noise or squealing from the serpentine belt area
  • Misalignment of the serpentine belt leading to premature wear
  • Failure of the original pulley bracket due to corrosion or fatigue
  • Replacement needed during A/C compressor repairs or upgrades

Installation Notes and Tips

The Dorman 34197 includes all necessary mounting hardware and a bracket to simplify installation. Installation instructions are provided to guide through the process. It is recommended to inspect the serpentine belt and related components during installation to ensure optimal performance. Proper torque specifications should be followed to avoid damage to the pulley or bracket.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards. The 34197 A/C Compressor Bypass Pulley undergoes rigorous quality checks to ensure durability and fitment accuracy. Installation instructions and mounting hardware are included to support a professional-grade replacement. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number34197
Belt TypeSerpentine
Compressor TypeLtr4
Installation Instructions IncludedYes
MaterialAluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedYes
Number of Pulleys Included1
Outside Diameter110
Package ContentsPulley and Bracket

This part fits 78 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1997ChevroletLumina3.4LV6N/A
1997ChevroletMonte Carlo3.4LV6N/A
1997ChevroletS102.2LL4N/A
1997GMCSonoma2.2LL4N/A
1997IsuzuHombre2.2LL4N/A
1996BuickCentury3.1LV6N/A
1996ChevroletLumina3.4LV6N/A
1996ChevroletMonte Carlo3.4LV6N/A
1996IsuzuHombreN/A
1996OldsmobileCutlass Ciera3.1LV6N/A
1996OldsmobileCutlass Supreme3.4LV6N/A
1996PontiacGrand Prix3.4LV6N/A
1995BuickCentury3.1LV6N/A
1995BuickRegal3.1LV6N/A
1995ChevroletLuminaN/A
1995ChevroletLumina APV3.1LV6N/A
1995ChevroletMonte CarloN/A
1995OldsmobileCutlass Ciera3.1LV6N/A4.25 In. Pulley
1995OldsmobileCutlass SupremeN/A
1995PontiacGrand PrixN/A
1994BuickCentury3.1LV6N/A
1994BuickRegal3.1LV6N/A
1994ChevroletLuminaN/A
1994ChevroletLumina APV3.1LV6N/A
1994OldsmobileCutlass Ciera3.1LV6N/A
1994OldsmobileCutlass SupremeN/A
1994PontiacGrand PrixN/A
1993BuickRegal3.1LV6N/A
1993ChevroletLuminaN/A
1993ChevroletLumina APV3.1LV6N/Awo/Rear Air Conditioning
1993OldsmobileCutlass SupremeN/A
1993PontiacGrand PrixN/A
1992BuickCentury2.5LL4N/A
1992BuickRegal3.1LV6N/A
1992ChevroletLuminaN/A
1992ChevroletLumina APV3.1LV6N/Awo/Rear Air Conditioning
1992OldsmobileCutlass Ciera2.5LL4N/A
1992OldsmobileCutlass SupremeN/A
1992PontiacGrand PrixN/A
1991BuickCentury2.5LL4N/A
1991BuickRegalCoupe3.1LV6N/A
1991ChevroletLuminaN/A
1991ChevroletLumina APVN/ARear air conditioning compatible
1991OldsmobileCutlass Ciera2.5LL4N/A
1991OldsmobileCutlass Supreme3.1LV6N/A
1991OldsmobileCutlass Supreme3.4LV6N/A
1991OldsmobileSilhouetteN/ARear air conditioning compatible
1991Pontiac60002.5LL4N/A
1991PontiacGrand Prix3.1LV6N/A
1991PontiacGrand Prix3.4LV6N/A
1991PontiacTrans SportN/ARear air conditioning compatible
1990BuickCentury2.5LL4N/A
1990BuickRegal3.1LV6N/A
1990ChevroletCelebrity2.5LL4N/A
1990ChevroletLumina2.5LL4N/A
1990ChevroletLumina3.1LV6N/A4.25 In. Pulley
1990ChevroletLumina APVN/A4.25 In. Pulley
1990OldsmobileCutlass Ciera2.5LL4N/A
1990Pontiac60002.5LL4N/A
1990PontiacGrand Prix3.1LV6N/A4.25 In. Pulley
1990PontiacGrand Prix3.1LV6N/A
1989BuickCentury2.5LL4N/A
1989BuickRegalN/A4.25 In. Pulley
1989ChevroletCelebrity2.5LL4N/A
1989OldsmobileCutlass Ciera2.5LL4N/A
1989OldsmobileCutlass SupremeN/A4.25 In. Pulley
1989Pontiac60002.5LL4N/A
1989PontiacGrand Prix3.1LV6N/A4.25 In. Pulley
1988BuickCentury2.5LL4N/A
1988ChevroletCelebrity2.5LL4N/A
1988OldsmobileCutlass Ciera2.5LL4N/A
1988Pontiac60002.5LL4N/A
1988PontiacFiero2.5LL4N/A
1987BuickCentury2.5LL4N/A
1987ChevroletCelebrity2.5LL4N/A
1987OldsmobileCutlass Ciera2.5LL4N/A
1987Pontiac60002.5LL4N/A
1987PontiacFiero2.5LL4N/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.

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