2005-09 Subaru Legacy Outback CV Axle Shaft Pair - 1AACS00042

These axle shafts are new, aftermarket parts. They are just what you need to get your vehicle in good working order!


  • Brand New Complete CV Driveshaft Assemblies
  • Comes as a PAIR
    • Fits both LH (Driver Side) & RH (Passenger Side) FRONT
  • Replaces dealer part numbers: 28321AG00A, 28321 AG00A, 28321AG00B, 28321 AG00B, 28321AG00D, 28321 AG00D, 28321AG01B, 28321 AG01B
  • Transmission End Spline Count: 25
  • Wheel End Spline Count: 27
  • Axle Length: 30.56 (compressed)
  • No core charge
  • Direct replacements
  • Built to strict quality control standards

Axle shafts may need replacing for a variety of different reasons. On vehicles that do heavy work or endure other extreme use you can actually break an axle or strip the splines or teeth. More often the CV joint wears out causing noises and vibration while accelerating or turning.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

2.3 / 5.0
3 Reviews
5 Stars
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1 Stars
Don't buy these. Installed them and had low end grinding when traveling at low speeds, and an audible hum at high speeds.

Went to Subaru and bought a re-manufactured set. Immediately solved the problem. Now having a hard time getting these returned and getting my money back!
August 7, 2017
7 months ago
Response from 1A Auto
We are sorry for this experience. We have issued a refund for the parts on 08/07/2017 and will take between 3 - 5 business days to appear in your account.
August 7, 2017
Alex PStaff
Parts arrived on time and fit correctly
I've ordered from before and have been happy with their service. In this case the CV axles for my 2009 Suburu Outback arrived before I expected them and the replacement job went smoothly.
June 30, 2017
8 months ago
I got a pair of these for my 2006 Subaru Legacy. Installed them, and every time I start the car up, there is a vibration. I can feel it in the steering wheel as well as the floor. I didn't think it was from the axle, so I took the car to the local Subaru dealer for them to check out. They said it was the axles. I took the car to two other mechanics, and they also said the same thing. I didn't think it was the axle because the car was not moving. Vibration occurs at idling.

Then I removed the new axles and installed my old axles. The vibration was gone. These didn't work for my car. Of course, I'm having a hard time returning them because they've been installed on the car. Can't really tell if they're good or bad until you install them. Looks to be defective. I'm getting a replacement set. So hopefully that works out. Certainly a sour first experience with 1aauto's customer service.
September 8, 2017
7 months ago
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Vehicle Fit

  • 2005-2009 Subaru Legacy Front CV Axle Shaft Pair
  • 2005-2009 Subaru Outback Front CV Axle Shaft Pair
Part #: 1AACS00042

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