Dorman 34175 A/C compressor by-pass pulley for the 1999-2002 Chevrolet Silverado 1500 and other vehicles lets the standard drive belt keep running after a failed A/C compressor is removed. It takes the compressor's place in the belt path.
- Keeps the standard drive belt in use after a failed A/C compressor comes off
- Plastic pulley on an aluminum bracket
- Mounts at the same points as the A/C compressor
- Serpentine pulley with a 110 mm outside diameter
- Extensive testing for a quality fit and long service life
Quick facts
- Part: Dorman 34175 A/C compressor by-pass pulley
- Fits: 1999-2002 Chevrolet Silverado 1500 and other vehicles
- Material: Plastic pulley, aluminum bracket
- Condition: New
This part is for a vehicle whose A/C compressor has failed, for instance one that is seized or noisy. A worn belt tensioner, an idler pulley or the belt itself can make belt noise too, so find the cause before buying. Each vehicle takes one, set in the compressor's place.
Fits
It is listed for a wide range of Chevrolet and GMC models and other makes, including the 1999-2002 GMC Sierra 1500 and the 1999 Chevrolet C1500.
Specifications
Fit and size
- Outside diameter: 110 mm
- Pulley type: Serpentine
- Compressor type: LTR4
- Quantity per vehicle: 1
- Pieces: 1 pulley with bracket
Build and materials
- Material: Plastic pulley, aluminum bracket
- Condition: New
- Country of origin: China
In the box
One A/C compressor by-pass pulley and one bracket, with mounting hardware.
Installation notes
- Installation instructions come with the part; follow them for the steps.
Interchange: SK34175
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is the Dorman 34175 pulley right for the 1999-2002 GMC Sierra 1500?
Yes, Dorman 34175 is listed for the 1999-2002 GMC Sierra 1500. If your vehicle is not named here, look for your year and model in the "Vehicles it fits" section.
Does this A/C bypass pulley come with its bracket and mounting hardware?
Yes. The listing is one pulley with its bracket, plus mounting hardware and installation instructions.
What size and material is the Dorman 34175 bypass pulley?
Dorman 34175 has a 110 mm outside diameter and a serpentine pulley type, for LTR4 compressors. The pulley is plastic and the bracket is aluminum.
Can I keep the standard drive belt after removing a dead A/C compressor?
Yes, that is the job of this bypass pulley. It mounts at the same points as the compressor, so the standard drive belt stays in use.
Is SK34175 the same as Dorman 34175?
SK34175 is listed as an interchange number for Dorman 34175, so a cross-reference under that number points to this pulley.
