Dorman 34207 A/C Compressor Bypass Pulley

Dorman 34207 A/C Compressor Bypass Pulley

Dorman 34207 is an A/C compressor bypass pulley for vehicles that need to keep the original serpentine belt routing while bypassing an inoperable compressor. It uses an aluminum bracket with a plastic pulley and includes installation instructions for a straightforward repair path.

Key Features

• Bypasses a failed A/C compressor while retaining the OE drive belt
• Aluminum bracket construction with a plastic pulley
• 110 mm outside diameter
• For serpentine belt systems
• Mounting bracket included
• Installation instructions included
• Designed for Ltr4 compressor applications

Detailed Description

This Dorman 34207 bypass pulley is a practical solution when the original A/C compressor is no longer operating and the belt system still needs to stay in service. It allows the factory serpentine belt to be used without rerouting the entire accessory drive, helping maintain accessory operation on select Chevrolet, GMC, and Cadillac applications. This part cross-references SK34207 for the same application.

Compatible With 1990-1994 Chevrolet Astro, 1990-1994 GMC Safari, 1992-1996 Chevrolet G30, 1992-1995 Chevrolet G10, 1992-1995 Chevrolet G20, 1994-1995 Chevrolet P30, 1992-1996 GMC G3500, 1992-1995 GMC G1500, 1992-1995 GMC G2500, 1994-1995 GMC P3500, 1992-1993 Cadillac DeVille, 1992-1993 Cadillac Eldorado, 1992-1993 Cadillac Seville, 1992 Cadillac Allante, and 1992 Cadillac Fleetwood.

What It Helps Solve

• Broken or seized A/C compressor that prevents normal belt operation
• Need to keep the serpentine belt in place after compressor removal
• Accessory drive issues caused by an inoperable compressor pulley
• Temporary or permanent bypass of a failed compressor on select GM vehicles

Installation Notes and Tips

Verify the vehicle uses an Ltr4 compressor application and a serpentine belt setup before installation. Compare the original compressor mounting points and belt path to confirm proper alignment with the included bracket and pulley. Review the included instructions before beginning the repair, and inspect the belt condition during service.

Quality Assurance

Dorman manufactures this bypass pulley as a service replacement part for specific vehicle applications. The package includes the pulley and bracket, and the product is backed by Dorman’s standard parts manufacturing quality.