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A functioning air conditioning system is crucial for a comfortable driving experience, especially during warmer months. The AC compressor pulley is a key component responsible for driving the compressor. When it fails, your AC won't blow cold air, making a replacement essential for restoring comfort and vehicle functionality.
Cost-effective solution - this bypass pulley retains the use of the standard drive belt after a failed A/C compressor is removed.Material:Plastic, Aluminum
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
Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Century of experience - for over 100 years, Dorman Products has provided quality automotive replacement parts to its customers
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
Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
Ensure fit - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an “i” in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle.
Replace Part Number: 73134AC001, 73790AC100, 73131AC010. Please check the part number and compatibility before ordering.
Material: The Pulley Belt Adjuster Kit is made of plastic with smooth surface, featuring impressive durability and long service life. Each of our parts has undergone rigorous tests before being sold online and has met high manufacturing specifications to...
Function: The strength of this Pulley Belt Adjuster Kit is reasonable and plays a role of transition hood, which can maintain the stability of the automobile drivetrain.
Easy Installation: The Pulley Belt Adjuster Kit can be installed easily without any other modifications, plug and play.
Perfect Fit: 1997-2003 for Buick Century 3.1L;1997-2003 for Chevrolet Malibu 3.1L;2002-2003 for Oldsmobile Alero 2.2L;1999-2003 for Oldsmobile Alero 3.4L;1999-2003 for Pontiac Grand Am 3.4L;2002-2003 for Pontiac Grand Am 2.2L;2000-2002 for Chevrolet...
OE-Replacement Quality：34217 Designed to meet or exceed OEM standards,this ac pulley delivers reliable performance and durability,just like your original part.
Cost-Effective Solution : Keep your vehicle running smoothly after ac compressor pulley failure.This bypass pulley allows you to retain the standard drive belt.
Pulley Grooves:6; Pulley Diameter (mm):110
Easy Installation : This A/C Compressor Bypass Pulley bolts directly onto your vehicle's existing mounting points.
✅Efficient and Stable Transmission: Adopting high-precision bearings and reinforced wheel hub design to ensure smooth operation of the air conditioning compressor belt, reduce slippage and noise, and improve the efficiency of the refrigeration system
✅Durable and wear-resistant material: The pulley body is forged from high-strength alloy steel, and the surface is treated with wear-resistant coating. The bearing has a dust-proof, waterproof and sealed structure, suitable for various harsh driving...
✅Easy To Install:A/C Compressor Bypass Pulleyl is a direct installation replacement for specific vehicles, which can be installed directly
✅Hassle-Free Customer Support：If you have any questions, please contact us，Email inquiries responded within 24 hours
✅Efficient and Stable Transmission: Adopting high-precision bearings and reinforced wheel hub design to ensure smooth operation of the air conditioning compressor belt, reduce slippage and noise, and improve the efficiency of the refrigeration system
✅Durable and wear-resistant material: The pulley body is forged from high-strength alloy steel, and the surface is treated with wear-resistant coating. The bearing has a dust-proof, waterproof and sealed structure, suitable for various harsh driving...
✅Easy To Install:A/C Compressor Bypass Pulleyl is a direct installation replacement for specific vehicles, which can be installed directly
✅Hassle-Free Customer Support：If you have any questions, please contact us，Email inquiries responded within 24 hours
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Air Conditioning Pulleys
Installation and Maintenance Tips
While replacing an AC compressor pulley can be a DIY task for some, it often requires specialized tools and knowledge. If you are not comfortable with automotive repairs, it is best to have a qualified mechanic perform the installation. Proper belt tension is crucial for the pulley's longevity and the overall performance of the serpentine system.
Frequently Asked Questions
What are the common signs of a failing AC compressor pulley?
Common signs include a squealing or grinding noise coming from the front of the engine when the AC is on, a wobbling pulley, or a complete loss of AC cooling. Sometimes, you might also notice excessive heat around the pulley area.
Can I drive my car with a bad AC compressor pulley?
Driving with a failing pulley is not recommended. A seized pulley can cause the serpentine belt to break, leading to a loss of power steering, alternator function, and engine cooling. This can leave you stranded and cause further engine damage.
How do I know if I need to replace the entire AC compressor or just the pulley?
If the pulley bearing is noisy or seized but the compressor itself functions correctly when engaged, only the pulley may need replacement. However, if the compressor is leaking refrigerant, making internal noises, or not engaging, the entire unit might require servicing or replacement.
What is the difference between a clutch pulley and a tensioner pulley?
The AC compressor pulley is typically part of the clutch assembly, which engages and disengages the compressor. A tensioner pulley, on the other hand, maintains the correct tension on the serpentine belt.
How long does an AC compressor pulley typically last?
The lifespan of an AC compressor pulley can vary greatly depending on driving conditions, climate, and the quality of the part. However, many can last for tens of thousands of miles, with bearing failure being a common point of wear.
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