Dorman 34167 A/C Compressor Bypass Pulley

Overview of Dorman A/C Compressor Bypass Pulley 34167

The Dorman A/C Compressor Bypass Pulley 34167 is designed specifically for Mercury Quest and Nissan Villager models. This replacement pulley and bracket assembly ensures proper serpentine belt routing and reliable compressor operation in your vehicle's HVAC system.

• Durable aluminum mounting bracket for secure installation
• Plastic pulley with a 135mm outside diameter
• Includes mounting bracket and installation instructions
• Compatible with Ltr4 compressor type
• Designed for serpentine belt systems

Product Details and Specifications

This A/C compressor bypass pulley from Dorman features a robust aluminum bracket paired with a plastic pulley, engineered to withstand the demands of the HVAC system in Mercury Quest and Nissan Villager vehicles. The pulley measures 135mm in outside diameter, matching OEM specifications for proper belt alignment and tension. The product package includes the pulley and bracket, along with installation instructions to facilitate a straightforward replacement process. Note that mounting hardware is not included, but the bracket is designed for direct fitment with the Ltr4 compressor type and serpentine belt configurations.

Compatible Vehicles and Applications

This part is compatible with the following vehicles:

• Mercury Quest
• Nissan Villager

It is intended for use in HVAC systems requiring an A/C compressor bypass pulley that supports serpentine belt routing and Ltr4 compressor types.

Common Issues Addressed by This Pulley

• Worn or damaged A/C compressor bypass pulley causing belt misalignment
• Noise or squealing from a failing pulley in Mercury Quest or Nissan Villager
• Improper serpentine belt tension affecting HVAC compressor performance
• Broken or cracked pulley leading to belt slippage
• Failure of the mounting bracket compromising pulley stability

Installation Notes and Tips

• Installation instructions are included for guidance
• Mounting hardware is not included; reuse existing hardware or source separately
• Ensure proper belt routing and tension during installation
• Inspect serpentine belt condition and replace if worn
• Verify compatibility with Ltr4 compressor type before installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. This A/C compressor bypass pulley assembly undergoes quality checks to ensure durability and reliable performance. Installation instructions are provided to support proper fitment. Warranty details are available through Dorman and should be confirmed at the time of purchase.