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Dorman 34207 A/C Compressor Bypass PulleyOE Quality 60-Day Returns
Part #: 34207

Dorman 34207 A/C Compressor Bypass Pulley

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67 vehicles fit this part
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Fitment: Chevrolet, GMC, and Cadillac, G30, G3500, G10, G20, P30, G1500, G2500, P3500, Astro, Safari, DeVille, Eldorado, Seville, Allante, and Fleetwood
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Overview of Dorman A/C Compressor Bypass Pulley 34207

The Dorman A/C Compressor Bypass Pulley 34207 is designed to provide reliable performance for your vehicle's HVAC system. Engineered with a durable aluminum bracket and a plastic pulley, this part ensures smooth operation of the serpentine belt system in select Cadillac, Chevrolet, and GMC models.

  • Constructed with an aluminum bracket for strength and corrosion resistance
  • Plastic pulley with a 110mm outside diameter for precise belt alignment
  • Includes mounting bracket and installation instructions for ease of replacement
  • Compatible with serpentine belt systems
  • Designed specifically for Ltr4 compressor types
  • Package contains one pulley and bracket assembly

Detailed Product Description

The Dorman 34207 A/C Compressor Bypass Pulley is a critical component for maintaining proper belt tension and routing in vehicles equipped with Ltr4 compressors. The aluminum bracket offers a sturdy mounting point, while the plastic pulley reduces weight and friction, contributing to efficient belt operation. With an outside diameter of 110mm, this pulley is engineered to match OEM specifications, ensuring compatibility and reliable performance.

This part is compatible with a range of Cadillac, Chevrolet, and GMC vehicles, including models such as the Cadillac Allante, DeVille, Eldorado, Fleetwood, and Seville, as well as Chevrolet Astro and GMC G10, G20, G30, P30, P3500, and Safari. The inclusion of installation instructions helps facilitate a straightforward replacement process.

Common Applications and Issues Addressed

  • Replacement for worn or damaged A/C compressor bypass pulleys
  • Resolves belt slippage or misalignment in serpentine belt systems
  • Addresses noise issues caused by pulley bearing wear
  • Prevents premature belt wear due to pulley malfunction
  • Restores proper function to HVAC A/C compressor drive systems

Installation Notes and Tips

  • Mounting hardware is not included; reuse existing fasteners if in good condition
  • Follow the included installation instructions carefully to ensure correct pulley alignment
  • Inspect serpentine belt condition during installation and replace if necessary
  • Verify compatibility with your vehicle’s compressor type (Ltr4) before installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable fit and function. The 34207 A/C Compressor Bypass Pulley undergoes quality checks to ensure durability and performance. Installation instructions are included to support proper fitment. Warranty details can be obtained from the product packaging or Dorman’s official resources.

BrandDorman
Part Number34207
Belt TypeSerpentine
Compressor TypeLtr4
Installation Instructions IncludedYes
MaterialAluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedNo
Number of Pulleys Included1
Outside Diameter110
Package ContentsPulley and Bracket

This part fits 67 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996ChevroletG306.5LV8N/A
1996ChevroletG307.4LV8N/A
1996GMCG35006.5LV8N/A
1996GMCG35007.4LV8N/A
1996GMCG35005.7LV8N/A
1995ChevroletG10N/A
1995ChevroletG20N/A
1995ChevroletG30N/A
1995ChevroletP306.5LV8N/A
1995GMCG1500N/A
1995GMCG2500N/A
1995GMCG3500N/A
1995GMCP35006.5LV8N/A
1994ChevroletAstroN/A
1994ChevroletG10N/A
1994ChevroletG20N/A
1994ChevroletG30N/A
1994ChevroletP306.5LV8N/A
1994GMCG1500N/A
1994GMCG2500N/A
1994GMCG3500N/A
1994GMCP35006.5LV8N/A
1994GMCSafariN/A
1993CadillacDeVilleN/A
1993CadillacEldorado4.9LV8N/A
1993CadillacSeville4.9LV8N/A
1993ChevroletAstroN/A
1993ChevroletG10N/A
1993ChevroletG204.3LV6N/A
1993ChevroletG205.7LV8N/A
1993ChevroletG205.0LV8N/A
1993ChevroletG304.3LV6N/A
1993ChevroletG307.4LV8N/A
1993ChevroletG305.7LV8N/A
1993GMCG1500N/A
1993GMCG25004.3LV6N/A
1993GMCG25005.7LV8N/A
1993GMCG25005.0LV8N/A
1993GMCG35004.3LV6N/A
1993GMCG35007.4LV8N/A
1993GMCG35005.7LV8N/A
1993GMCSafariN/A
1992CadillacAllanteN/A
1992CadillacDeVilleN/A
1992CadillacEldoradoN/A
1992CadillacFleetwoodN/A
1992CadillacSevilleN/A
1992ChevroletAstroN/A
1992ChevroletG10N/A
1992ChevroletG204.3LV6N/A
1992ChevroletG205.7LV8N/A
1992ChevroletG205.0LV8N/A
1992ChevroletG304.3LV6N/A
1992ChevroletG307.4LV8N/A
1992ChevroletG305.7LV8N/A
1992GMCG1500N/A
1992GMCG25004.3LV6N/A
1992GMCG25005.7LV8N/A
1992GMCG25005.0LV8N/A
1992GMCG35004.3LV6N/A
1992GMCG35007.4LV8N/A
1992GMCG35005.7LV8N/A
1992GMCSafariN/A
1991ChevroletAstroN/A
1991GMCSafariN/A
1990ChevroletAstro4.3LV6N/A
1990GMCSafari4.3LV6N/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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