HomeDriveline and Axles > CV ComponentsTrakMotive SB-8129 CV Axle Shaft - Rear Left or Rear Right
Part #: SB-8129

TrakMotive SB-8129 CV Axle Shaft - Rear Left or Rear Right

CV Axle Shaft, Rear Left
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦CV Axle Shaft, Rear Left
🚗Fitment: Subaru, Legacy
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of TrakMotive CV Axle Shaft SB-8129 for Subaru Legacy

The TrakMotive CV Axle Shaft SB-8129 is designed specifically for Subaru Legacy models, providing reliable driveline performance. This new CV axle shaft ensures proper fitment and durability for your vehicle's front-wheel or all-wheel drive system.

  • Compatible with Subaru Legacy vehicles
  • Includes axle nut with stake locking type
  • Neoprene boot material for enhanced durability
  • Hex head axle nut with M22*1.5 thread size
  • Overall compressed length of 30.16 inches (766 mm)

TrakMotive CV Axle Shaft Product Line Details

The TrakMotive CV Axle Shaft product line focuses on delivering precise driveline components engineered for direct fit applications. The SB-8129 model features a conventional outboard joint and a male inboard joint with spline shaft connections, ensuring compatibility and ease of installation. This line emphasizes quality materials such as neoprene boots and includes necessary hardware like the axle nut to provide a complete replacement solution.

Technical Specifications and Features

This CV axle shaft includes a neoprene boot designed to resist wear and environmental damage. The inboard joint is male type with 27 splines, while the outboard joint is conventional with 25 splines, both connecting via spline shafts for secure fitment. The included axle nut features a hex head measuring 1.25 inches (31.8 mm) across flats, with a height of 0.79 inches (20 mm) and a length of 1.45 inches (36.7 mm). The stake locking type axle nut ensures secure fastening to prevent loosening during operation.

Common Applications and Problem Resolution

  • Replacement of worn or damaged CV axle shafts on Subaru Legacy
  • Elimination of axle vibration or clicking noises during turns
  • Restoration of smooth power transfer to wheels
  • Addressing torn or leaking CV boots
  • Fixing axle nut loosening or failure issues

Installation Notes and Tips

When installing the TrakMotive CV Axle Shaft SB-8129, ensure the axle nut is torqued to manufacturer specifications and properly staked to secure the locking mechanism. Verify spline alignment on both inboard and outboard connections for a proper fit. The neoprene boot should be inspected for any damage during installation to maintain joint protection.

Quality Assurance and Warranty

This CV axle shaft is a new, not remanufactured, component built to meet OEM standards for fit and function. The inclusion of the axle nut and durable neoprene boot supports long-term reliability. Warranty details should be confirmed with the product provider, but TrakMotive parts typically adhere to industry quality assurance practices.

BrandTrakMotive
Part NumberSB-8129
PositionCV Axle Shaft, Rear Left
Abs Tone Ring IncludedNo
Axle Nut Head TypeHex
Axle Nut Height (in)0.79
Axle Nut Height (mm)20
Axle Nut Hex Size (in)1.25
Axle Nut Hex Size (mm)31.8
Axle Nut IncludedYes
Axle Nut Length (in)1.45
Axle Nut Length (mm)36.719459999999998
Axle Nut Locking TypeStake
Axle Nut Thread SizeM22*1.5
Boot MaterialNeoprene
Inboard Joint TypeMale
Inboard Shaft Connection StyleSpline
New Or RemanufacturedNew
Number Of Inboard Splines27
Number Of Outboard Splines25
Outboard Joint TypeConventional
Outboard Shaft Connection StyleSpline
Overall Compressed Length (in)30.16
Overall Compressed Length (mm)766

This part fits 6 vehicles. Search below:

YearMakeModelSubmodelTransmissionPositionNotes
2009SubaruLegacyGT spec.BManualRear RightCV Axle Shaft
2009SubaruLegacyGT spec.BManualRear LeftCV Axle Shaft
2008SubaruLegacyGT spec.BManualRear RightCV Axle Shaft
2008SubaruLegacyGT spec.BManualRear LeftCV Axle Shaft
2007SubaruLegacyGT spec.BManualRear RightCV Axle Shaft
2007SubaruLegacyGT spec.BManualRear LeftCV Axle Shaft

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

28421AG0BBSB-8129

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.