The best AC compressor pulley bearing depends on whether you need a bearing by itself or a vehicle-specific pulley or clutch assembly. ACROPIX is the direct-size option for buyers whose original bearing measures 35 × 55 × 20 mm. A-Premium offers a pulley with bearing for select Subaru models, while the Trailblazer/Envoy and Forester options are broader clutch assemblies. Verify the vehicle, compressor style, and dimensions before ordering; these parts are not interchangeable across all cars.
| Product | Best For | What’s Included |
|---|---|---|
| ACROPIX Universal Bearing | Matching a standalone bearing by dimensions | One bearing |
| A-Premium Subaru Pulley | Specified Subaru Legacy and Outback models | Pulley with bearing |
| A-Premium Trailblazer/Envoy Kit | Listed GM, Isuzu, Saab, and Oldsmobile vehicles | Pulley with bearing, plate, and coil |
| ApplianPar Forester Assembly | 2014–2018 Subaru Forester | Pulley, front plate, and coil |
| ApplianPar Mustang Kit | Specified 2011–2017 Ford Mustang engines | Hub, pulley bearing, plate, and coil |
ACROPIX Universal Compressor Clutch Bearing
This single bearing is best for a repair where the original bearing has been removed and its dimensions confirmed. ACROPIX lists an inner diameter of 35 mm, an outer diameter of 55 mm, and a thickness of 20 mm. The product is made from bearing steel and is intended for an automotive air-conditioning compressor clutch.
Choose this if you need a bearing only and your part matches all three measurements. Its separate-bearing format may suit a repair that does not require replacing the pulley, clutch plate, or electromagnetic coil. The main limitation is that “universal” does not establish fitment by vehicle: compare the bearing dimensions and original part before purchase.
A-Premium Subaru Pulley With Bearing
This is best for buyers needing a pulley and bearing for specified Subaru Legacy and Outback configurations. The product lists a TSE14C compressor style, six pulley grooves, and a 115 mm pulley diameter. The package includes one pulley with bearing.
Listed fitments include select 2010–2012 Legacy 2.5L models, 2010–2019 Legacy and Outback 3.6L models, and specified 2010–2012 Outback 2.5L models. A stretch-fit belt replacement is required for the listed 2010–2011 Outback 2.5L application. This is not a complete clutch kit, so choose another option if you also need a front plate or electromagnetic coil.
A-Premium Trailblazer and Envoy Clutch Kit
This kit is best for owners of listed vehicles using the TRSA12 compressor configuration. It includes a pulley with bearing, front plate, and electromagnetic coil. Specifications include six pulley grooves, a 105 mm pulley diameter, and 12-volt voltage.
Fitments cover select 4.2L models, including the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7x. Because it includes more than a bearing, it may be a better fit when multiple clutch components need replacement. Avoid choosing it by vehicle name alone: confirm the model year, engine, and compressor configuration.
ApplianPar Subaru Forester Clutch Assembly
This assembly is best for the listed 2014–2018 Subaru Forester applications when a pulley, front plate, and electromagnetic coil are needed together. The product lists replacement numbers 73111-FJ042, 73111-FJ040, and 73111-FJ041. Its package includes the pulley, front plate, and coil.
Choose this if your repair calls for an assembly rather than a standalone bearing. The listed contents do not specifically identify a separate bearing, so check the product details if bearing-only replacement is your goal. Confirm the replacement number and vehicle fitment before ordering.
ApplianPar Ford Mustang Clutch Kit
This kit is best for specified 2011–2017 Ford Mustang models with a 5.0L engine, plus listed 2015–2017 models with a 5.2L engine. Its package includes a hub, pulley bearing, plate, and electromagnetic coil, making it a more complete option than a bearing alone.
Choose this when the Mustang’s year and engine match the listed application and the repair requires the included clutch components. The product information does not provide pulley measurements or compressor style, so verify the correct part using the vehicle’s exact configuration and original part number. It is not a general-purpose bearing for other vehicles.
Buying Guide: How to Choose an AC Compressor Pulley Bearing
Do you need a bearing or a complete clutch assembly?
A standalone bearing is appropriate when the pulley and other clutch parts remain serviceable and the replacement bearing matches the original dimensions. A pulley-with-bearing replaces more of the rotating assembly. A clutch kit may also include the front plate and electromagnetic coil. Compare package contents with the parts your repair requires.
How do you confirm fitment?
Use the vehicle’s year, make, model, engine, and trim, then compare the compressor style, pulley diameter, groove count, and replacement part number where available. A vehicle model name alone may not be enough because configurations can vary. Check fitment notes and measurements against the original component before ordering.
Why do pulley dimensions matter?
Bearing inner diameter, outer diameter, and width must match the application. For a pulley assembly, diameter and groove quantity also help identify the correct part. Do not assume that two products fit because they look similar or serve the same general purpose.
Should you replace only the bearing?
A bearing-only replacement can be suitable when the bearing is the failed part and surrounding components are in usable condition. If the pulley, plate, or coil is also damaged, a larger assembly may be more appropriate. The listed product details do not diagnose a vehicle, so inspect the components and confirm the repair needs.
Frequently Asked Questions
Can I use any AC compressor pulley bearing in my car?
No. The bearing dimensions and compressor application must match. Confirm the measurements or the correct vehicle-specific part number.
Does a pulley with bearing include the clutch plate and coil?
Not necessarily. The Subaru pulley listing includes a pulley with bearing only. Check the package contents for each product.
What does a clutch assembly kit usually replace?
Contents vary. The listed Mustang kit includes a hub, pulley bearing, plate, and electromagnetic coil; other assemblies may include different components.
How can I check whether a part fits my vehicle?
Match the year, make, model, engine, and trim, then verify compressor details and any listed replacement numbers. Review application notes before purchasing.