TrakMotive
CV Axle Shaft

TrakMotive GM-8391 CV Axle Shaft - Rear Right

Brand TrakMotive GM-8391
Position Rear Right
Axle Nut Head Type Hex
Axle Nut Height (in) 0.55
Axle Nut Height (mm) 14
Axle Nut Hex Size (in) 1.18
Axle Nut Hex Size (mm) 30
Axle Nut Included Yes
Axle Nut Length (in) 1.36
Axle Nut Length (mm) 34.64
Axle Nut Locking Type Self-Lock
Axle Nut Thread Size M20*1.5
Boot Material Neoprene
Inboard Joint Type Male
Inboard Shaft Connection Style Spline
New Or Remanufactured New
Number Of Inboard Splines 22
Number Of Outboard Splines 33
Outboard Joint Type Conventional
Outboard Shaft Connection Style Spline
Overall Compressed Length (in) 32.64
Overall Compressed Length (mm) 829
Product line CV Axle Shaft
Fits Saturn, Chevrolet, and Pontiac · 9 vehicles

New replacement shaft. Built as a fresh driveline component for dependable service.

Neoprene boot material. Helps resist wear while keeping the joint protected.

Spline connections. 22 inboard and 33 outboard splines for secure engagement.

Cross-references Cardone New 66-1404 and TrakMotive GM-8391 for the same application. See all 2.

$110.00Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $110.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Right CV Axle Shaft for GM-8391

TrakMotive GM-8391 is a new CV axle shaft for rear right applications on select Saturn Vue, Chevrolet Equinox, and Pontiac Torrent models. Built for driveline service, it features spline connections, a conventional outboard joint, and a neoprene boot for dependable operation in the rear axle assembly.

Key Features

  • TrakMotive CV Axle Shaft, part number GM-8391
  • Fits rear right applications on 2002-2007 Saturn Vue, 2005-2006 Chevrolet Equinox, and 2006 Pontiac Torrent
  • New replacement axle shaft with 22 inboard splines and 33 outboard splines
  • Male inboard joint with spline shaft connection
  • Conventional outboard joint design
  • Neoprene boot material for axle joint protection
  • Includes axle nut with M20 x 1.5 thread, 30 mm hex size, and self-locking design
  • Overall compressed length: 32.64 in. (829 mm)

Product Details

This TrakMotive CV axle shaft is engineered for rear right driveline service and matches the listed vehicle applications by spline count, joint style, and compressed length. GM-8391 is a direct-fit style replacement for Saturn Vue rear right, Chevrolet Equinox rear right, and Pontiac Torrent rear right applications listed in the fitment data. The axle nut is included, and the assembly uses a hex-head, self-locking nut with M20 x 1.5 threads.

TrakMotive’s CV Axle Shaft line focuses on replacement driveline components built for consistent fit and OE-style serviceability. This part cross-references Cardone New 66-1404 for the same application.

Common Problems This Part Can Address

  • Clicking or popping from a worn rear CV joint
  • Vibration during acceleration from a damaged axle shaft
  • Boot failure that exposes the joint to contamination
  • Excessive play from worn splines or joint wear
  • Loss of driveline smoothness in rear right axle service

Installation Notes and Tips

Verify rear right fitment by year, make, model, and axle specifications before installation. Confirm spline counts, axle nut thread size, and compressed length against the original part. Inspect the hub, seals, and surrounding driveline components during replacement to help ensure proper operation after installation.

Quality Assurance

TrakMotive states that this CV axle shaft is backed by a limited lifetime warranty. The manufacturer also notes ISO 9001:1007 and TS 16949:2009 certification, reflecting controlled production and quality management practices.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007SaturnVueRear RightCV Axle Shaft
2006ChevroletEquinoxRear RightCV Axle Shaft
2006PontiacTorrentRear RightCV Axle Shaft
2006SaturnVueRear RightCV Axle Shaft
2005ChevroletEquinoxRear RightCV Axle Shaft
2005SaturnVueRear RightCV Axle Shaft
2004SaturnVueRear RightCV Axle Shaft
2003SaturnVueRear RightCV Axle Shaft
2002SaturnVueRear RightCV Axle Shaft
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cardone New — 66-1404TrakMotive — GM-8391