Dorman 34297 A/C Compressor Bypass Pulley

A/C Compressor Bypass Pulley for Hyundai and Kia

Dorman 34297 is an A/C compressor bypass pulley assembly for vehicles with an inoperable compressor. It lets the original serpentine belt stay in service while routing around the failed A/C compressor, helping restore accessory drive operation on select Hyundai Sonata and Kia Optima applications.

• Aluminum bracket with a plastic pulley
• Natural finish
• Designed for serpentine belt systems
• Mounting bracket and mounting hardware included
• Installation instructions included
• Standard compressor application

Detailed Product Information

This Dorman A/C compressor bypass pulley is built as a direct service solution for vehicles where the compressor has seized, failed, or is no longer being used. Part number 34297 provides a practical way to keep the OE drive belt in place while bypassing the compressor location, which can help maintain belt routing on the accessory drive. It is a fitment-based solution for 1999-2005 Hyundai Sonata and 2001-2005 Kia Optima models, and it is also referenced by cross-reference part number 9770138071 for the same application. If you are searching for a Dorman 34297 bypass pulley for Hyundai Sonata or Kia Optima, this assembly is built around the listed OE-style fitment and belt layout.

What It Helps Address

• Broken or seized A/C compressor that prevents normal belt routing
• Need to keep the serpentine belt installed after compressor failure
• Accessory drive issues caused by removing an inoperative compressor
• Service repairs where a bypass pulley is preferred over full compressor replacement

Installation Notes and Tips

Verify the vehicle’s compressor type, belt routing, and mounting points before installation. This assembly includes a mounting bracket, pulley, and installation instructions, and it is intended for standard compressor applications with a serpentine belt. Confirm the inside diameter, outside diameter, width, and mounting hole dimensions against the original setup before final installation on a Hyundai Sonata or Kia Optima.

Quality Assurance

Dorman designs replacement parts to match the listed application and service requirements for repair work. Part number 34297 is built with an aluminum bracket and plastic pulley construction for the specified fitment.