Dorman 34207 | A/C Compressor Bypass Pulley

Part Number
Air Conditioning Bypass Pulley

Fits: 90-94 Chevrolet Astro, 90-94 GMC Safari, 92 Cadillac Allante, 92-93 Cadillac DeVille, 92-93 Cadillac Eldorado, 92 Cadillac Fleetwood, 92-93 Cadillac Seville, 92-95 Chevrolet G10, 92-95 Chevrolet G20, 92-96 Chevrolet G30, 92-95 GMC G1500, 92-95 GMC G2500, 92-96 GMC G3500, 94-95 Chevrolet P30, 94-95 GMC P3500

Special Price $53.54 Regular Price $62.99
In stock
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Estimated Ship Date: 1 Business Day or Less

This A/C compressor bypass pulley is a cost-effective solution to allow the original equipment drive belt to be used while bypassing an inoperable A/C compressor.

BRAND: Dorman - HELP


  • Cadillac 1993-92, Chevrolet 1996-90, GMC 1996-90
  • Easy to install - uses the same mounting points as the A/C compressor
  • Durable components - this bypass pulley uses quality components for a long service life
  • A/C, Compressor, By-Pass, Pulley, Air Conditioner, Air Conditioning
  • Air Conditioning Bypass Pulley
  • Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
  • Cost-effective solution - this bypass pulley retains the use of the standard drive belt after a failed A/C compressor is removed


Belt TypeSerpentine
Compressor TypeLtr4
Installation Instructions IncludedYes
Material Aluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedNo
Number of Pulleys Included1
Outside Diameter110
Package ContentsPulley and Bracket



  • 1992-1993 Cadillac DeVille - Position: N/A
  • 1992-1996 GMC G3500 - Position: N/A
  • 1992-1995 Chevrolet G20 - Position: N/A
  • 1994-1995 GMC P3500 - Position: N/A
  • 1992-1992 Cadillac Allante - Position: N/A
  • 1990-1994 Chevrolet Astro - Position: N/A
  • 1992-1995 GMC G1500 - Position: N/A
  • 1992-1992 Cadillac Fleetwood - Position: N/A
  • 1994-1995 Chevrolet P30 - Position: N/A
  • 1992-1995 GMC G2500 - Position: N/A
  • 1992-1993 Cadillac Eldorado - Position: N/A
  • 1990-1994 GMC Safari - Position: N/A
  • 1992-1996 Chevrolet G30 - Position: N/A
  • 1992-1995 Chevrolet G10 - Position: N/A
  • 1992-1993 Cadillac Seville - Position: N/A
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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