Dorman 34196 | A/C Compressor Bypass Pulley

Part Number
Air Conditioning Bypass Pulley

Fits: 87-90 Chevrolet Astro, 87-93 Chevrolet S10, 87-88 Chevrolet S10 Blazer, 87-90 GMC S15, 87-88 GMC S15 Jimmy, 87-90 GMC Safari, 91-93 GMC Sonoma, 96-05 Buick LeSabre, 96-05 Buick Park Avenue, 96-99 Buick Riviera, 96-99 Oldsmobile 88, 96 Oldsmobile 98, 96-99 Oldsmobile LSS, 96-05 Pontiac Bonneville, 97-98 Oldsmobile Regency

Special Price $59.49 Regular Price $69.99
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


  • Buick 2005-96, Chevrolet 1993-87, GMC 1993-87, Oldsmobile 1999-96, Pontiac 2005-96
  • 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
  • Durable components - this bypass pulley uses quality components for a long service life
  • Easy to install - uses the same mounting points as the A/C compressor
  • Air Conditioning Bypass Pulley
  • A/C, Compressor, By-Pass, Pulley, Air Conditioner, Air Conditioning


Belt TypeSerpentine
Compressor TypeFs10
Installation Instructions IncludedYes
Material Aluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedYes
Number of Pulleys Included1
Outside Diameter127
Package ContentsPulley; Bracket; and Installation Hardware



  • 1996-2005 Buick Park Avenue - Position: N/A
  • 1987-1988 Chevrolet S10 Blazer - Position: N/A
  • 1996-1999 Buick Riviera - Position: N/A
  • 1991-1993 GMC Sonoma - Position: N/A
  • 1996-1999 Oldsmobile 88 - Position: N/A
  • 1996-1999 Oldsmobile LSS - Position: N/A
  • 1987-1990 GMC S15 - Position: N/A
  • 1996-1996 Oldsmobile 98 - Position: N/A
  • 1987-1990 GMC Safari - Position: N/A
  • 1987-1993 Chevrolet S10 - Position: N/A
  • 1997-1998 Oldsmobile Regency - Position: N/A
  • 1996-2005 Pontiac Bonneville - Position: N/A
  • 1987-1990 Chevrolet Astro - Position: N/A
  • 1996-2005 Buick LeSabre - Position: N/A
  • 1987-1988 GMC S15 Jimmy - 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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