Dorman 34890 A/C Compressor Bypass Pulley

Reliable A/C Compressor Bypass Pulley for Hyundai and Kia Models

The Dorman 34890 A/C Compressor Bypass Pulley is designed to provide a durable and efficient solution for Hyundai Optima, Santa Fe, and Kia Sonata vehicles equipped with HS18 compressors. Crafted with a combination of aluminum and plastic materials, this pulley ensures reliable performance in your vehicle's HVAC system.

• Constructed with aluminum and plastic for strength and durability
• Natural color finish with a 5-inch outside diameter
• 29 mm width suitable for 6-groove serpentine belts
• Includes mounting bracket with four 9 mm mounting holes
• Compatible with HS18 compressor type
• Package contains one pulley and mounting bracket

Durable Design and Precise Fitment

The Dorman 34890 bypass pulley features a 5-inch outside diameter and a 29 mm width, engineered to accommodate 6-groove serpentine belts commonly found in Hyundai Optima, Santa Fe, and Kia Sonata models. The pulley combines aluminum for structural integrity and plastic components to reduce weight and wear. The included mounting bracket and four 9 mm mounting holes ensure a secure installation aligned with the HS18 compressor specifications.

Compatible Vehicles and Applications

This A/C compressor bypass pulley is specifically compatible with the following vehicles:

• Hyundai Optima
• Hyundai Santa Fe
• Kia Sonata

It is designed for use with HS18 compressor types, making it a suitable replacement part for maintaining or repairing the HVAC system in these models.

Common Issues Addressed by This Pulley

• Worn or damaged A/C compressor pulleys causing belt slippage
• Noise or vibration from faulty bypass pulleys
• Failure of the original pulley leading to HVAC system inefficiency
• Broken or cracked pulley surfaces affecting belt alignment
• Replacement of missing or corroded mounting brackets

Installation Notes and Tips

Installation of the Dorman 34890 pulley requires removal of the existing bypass pulley and mounting bracket. Note that mounting hardware is not included, so ensure you have the necessary bolts and tools before beginning. Although installation instructions are not provided, professional installation or reference to a service manual is recommended to ensure proper alignment and tension of the serpentine belt.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 34890 are not provided, Dorman typically offers limited warranties covering defects in material and workmanship. This ensures confidence in the durability and reliability of the A/C compressor bypass pulley for Hyundai and Kia vehicles.