TrakMotive
CV Axle Shaft

TrakMotive AD-8173 CV Axle Shaft - Rear, Rear Left or Rear Right

Brand TrakMotive AD-8173
Position Rear Right, Rear Left, and Rear
Abs Tone Ring Included No
Axle Bolt Hex Size (mm) 17
Axle Bolt Length (mm) 85
Axle Bolt Thread Size M16*1.5
Axle Nut Included No
Boot Material Neoprene
Inboard Joint Type Bolt-on
Inboard Shaft Connection Style Bolt-on
New Or Remanufactured New
Number Of Bolt Holes 1
Number Of Outboard Joint Bolt Holes 1
Number Of Outboard Shaft Bolts 1
Number Of Outboard Splines 38
Outboard Joint Type Audi style spline bolt
Outboard Shaft Connection Style Spline
Overall Compressed Length (in) 24.72
Overall Compressed Length (mm) 628
Product line CV Axle Shaft
Fits Audi · 15 vehicles

New CV axle shaft. A direct-fit replacement for driveline service.

Neoprene boot material. Helps protect the joint from wear and contamination.

Bolt-on connection. Simplifies installation with a secure, spline-style fit.

Cross-references TrakMotive AD-8173 and 8W0501203D for the same application. See all 2.

$134.75Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $134.75
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Free returns within 60 days if it doesn't fit when fitment is verified.

TrakMotive AD-8173 CV Axle Shaft

TrakMotive AD-8173 is a new rear CV axle shaft for select Audi applications, built for standard-duty replacement service. It uses a bolt-on inboard joint, a spline-style outboard connection, and a neoprene boot for dependable driveline operation in the specified fitments.

Key Features

  • Brand: TrakMotive CV Axle Shaft
  • Part number: AD-8173
  • New replacement axle shaft
  • Inboard joint type: bolt-on
  • Outboard joint type: Audi-style spline bolt
  • Outboard shaft connection style: spline
  • Boot material: neoprene
  • Overall compressed length: 24.72 in. (628 mm)
  • Axle bolt thread size: M16 x 1.5
  • Axle bolt hex size: 17 mm
  • Axle bolt length: 85 mm
  • No ABS tone ring included

Product Details

This TrakMotive CV axle shaft is engineered for rear driveline service on Audi A4, Audi A4 Quattro, and Audi A5 applications listed below. It cross-references OE part number 8W0501203D for the same application. The AD-8173 is a direct-fit style axle shaft for rear left, rear right, and rear positions where specified, making it a practical choice for Audi A4 rear axle shaft replacement and Audi A5 rear CV axle shaft service.

Vehicle Fitment

  • Fits 2022-2023 Audi A4, rear; standard duty replacement; CV axle shaft.
  • Fits 2017-2020 Audi A4, rear; standard duty replacement; CV axle shaft.
  • Fits 2020 Audi A4 Quattro, rear; standard duty replacement; CV axle shaft.
  • Fits 2017-2019 Audi A4 Quattro, rear right; CV axle shaft.
  • Fits 2017-2019 Audi A4 Quattro, rear left; CV axle shaft.
  • Fits 2018-2019 Audi A5, rear; standard duty replacement; CV axle shaft.

Common Issues This Part Addresses

  • Clicking or popping from the rear driveline during acceleration or turning
  • Vibration caused by a worn or damaged CV axle shaft
  • Torn boot conditions that allow grease loss and contamination
  • Excessive play in the rear axle assembly
  • Noise from a failing rear axle on Audi A4, Audi A4 Quattro, or Audi A5 models

Installation Notes

Verify rear position, side, spline count, and axle bolt specifications before installation. This axle uses a bolt-on inboard connection and an Audi-style spline bolt outboard joint, so matching the original hardware and dimensions is important for proper fitment. ABS axles fit non-ABS applications unless otherwise noted by the vehicle listing.

Quality Assurance

TrakMotive lists this axle shaft as a new part and notes ISO 9001:1007 and TS 16949:2009 certification. The AD-8173 also carries a limited lifetime warranty.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeFuel TypePositionNotes
2023AudiA4—MILD HYBRID EV-GAS (MHEV)RearStandard Duty Replacement; CV Axle Shaft
2022AudiA4—MILD HYBRID EV-GAS (MHEV)RearStandard Duty Replacement; CV Axle Shaft
2020AudiA4——RearStandard Duty Replacement; CV Axle Shaft
2020AudiA4 Quattro——RearStandard Duty Replacement; CV Axle Shaft
2019AudiA4——RearStandard Duty Replacement; CV Axle Shaft
2019AudiA4 QuattroAWD—Rear RightCV Axle Shaft
2019AudiA4 QuattroAWD—Rear LeftCV Axle Shaft
2019AudiA5——RearStandard Duty Replacement; CV Axle Shaft
2018AudiA4——RearStandard Duty Replacement; CV Axle Shaft
2018AudiA4 QuattroAWD—Rear RightCV Axle Shaft
2018AudiA4 QuattroAWD—Rear LeftCV Axle Shaft
2018AudiA5——RearStandard Duty Replacement; CV Axle Shaft
2017AudiA4——RearStandard Duty Replacement; CV Axle Shaft
2017AudiA4 QuattroAWD—Rear RightCV Axle Shaft
2017AudiA4 QuattroAWD—Rear LeftCV Axle Shaft
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
TrakMotive — AD-81738W0501203D