HomeDriveline and Axles > CV ComponentsTrakMotive SB-8040HDX CV Axle Shaft - Front
Part #: SB-8040HDX

TrakMotive SB-8040HDX CV Axle Shaft - Front

Extreme Climate CV Axle Shaft, Front
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Extreme Climate CV Axle Shaft, Front
🚗Fitment: Subaru, Forester and Impreza
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the TrakMotive Extreme Climate CV Axle Shaft SB-8040HDX

The TrakMotive Extreme Climate CV Axle Shaft SB-8040HDX is engineered for Subaru Forester and Impreza models requiring reliable driveline performance in demanding conditions. Designed to maintain consistent operation in extreme weather, this CV axle shaft offers durability and precise fitment for these vehicles.

  • Compatible with Subaru Forester and Impreza models
  • ABS ring with 44 toothed teeth for accurate sensor readings
  • Neoprene boot material for enhanced weather resistance
  • Includes stake locking axle nut with M22*1.5 thread size
  • Overall compressed length of 30.71 inches (780 mm)
  • Male inboard joint and conventional outboard joint types
  • Axle nut hex size of 1 1/4 inches (31.8 mm) and height of 4/5 inches (20 mm)

Features of the Extreme Climate CV Axle Shaft Line

The Extreme Climate CV Axle Shaft product line by TrakMotive is designed specifically to withstand harsh environmental conditions. This line focuses on components that resist degradation from temperature extremes and moisture exposure, making it suitable for Subaru Forester and Impreza vehicles operating in cold or wet climates. The SB-8040HDX model incorporates these design principles to ensure long-lasting driveline integrity.

Technical Specifications and Design Details

This CV axle shaft features a 44-tooth ABS ring with a toothed design, which is included to maintain accurate wheel speed sensor signals. The neoprene boot material provides resistance against cracking and wear caused by exposure to extreme temperatures and road debris. The axle nut is a stake locking type with a thread size of M22*1.5, measuring 1 1/3 inches (34.4 mm) in length and 1 1/4 inches (31.8 mm) across the hex. The inboard joint uses a male connection style with 25 splines, while the outboard joint is conventional with 27 splines. The overall compressed length of 30.71 inches (780 mm) ensures proper fitment within the driveline assembly of compatible Subaru models.

Applications and Problem Solving

  • Replacement for worn or damaged CV axle shafts on Subaru Forester and Impreza
  • Restores proper ABS sensor function with included toothed ABS ring
  • Prevents driveline vibrations caused by joint wear or boot failure
  • Addresses axle nut loosening issues with stake locking design
  • Improves reliability in extreme climate conditions with durable neoprene boot

Installation Notes and Tips

Ensure the axle nut torque specifications for your Subaru Forester or Impreza are followed precisely during installation. The stake locking axle nut requires staking after tightening to prevent loosening. Inspect the mating surfaces and splines for damage before installation to guarantee proper engagement. Use appropriate tools for the 1 1/4 inch hex axle nut to avoid rounding. Verify ABS sensor alignment with the 44-tooth ABS ring to maintain accurate wheel speed readings.

Quality Assurance and Warranty

The TrakMotive Extreme Climate CV Axle Shaft SB-8040HDX is a new, not remanufactured, component built to meet OEM specifications for Subaru Forester and Impreza models. Manufactured with quality materials such as neoprene boots and precision-machined joints, this part is designed for durability and consistent performance. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandTrakMotive
Part NumberSB-8040HDX
PositionExtreme Climate CV Axle Shaft, Front
Abs Ring Tooth Count44
Abs Ring TypeToothed
Abs Tone Ring IncludedYes
Axle Nut Head TypeHex
Axle Nut Height (in)4/5
Axle Nut Height (mm)20
Axle Nut Hex Size (in)1 1/4
Axle Nut Hex Size (mm)31.8
Axle Nut IncludedYes
Axle Nut Length (in)1 1/3
Axle Nut Length (mm)34.4
Axle Nut Locking TypeStake
Axle Nut Thread SizeM22*1.5
Boot MaterialNeoprene
Inboard Joint TypeMale
Inboard Shaft Connection StyleMale
New Or RemanufacturedNew
Number Of Inboard Splines25
Number Of Outboard Splines27
Outboard Joint TypeConventional
Outboard Shaft Connection StyleConventional
Overall Compressed Length (in)30.71
Overall Compressed Length (mm)780

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelBody TypeDrive TypeTransmissionLitersCylindersPositionNotes
2008SubaruForesterAWDFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2007SubaruForesterAWDFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2007SubaruImprezaWRXSedanFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2006SubaruForesterAWDFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2006SubaruImprezaWRXSedanManualFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2005SubaruForesterAWDFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2005SubaruImprezaWRXSedanManual2.0LH4FrontAlways Replace in Pairs; Extreme Climate CV Axle Shaft
2004SubaruForesterAWDFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV Axle Shaft
2004SubaruImprezaWRXSedanManualFrontFrom 9/03; Extreme Climate CV Axle Shaft
2003SubaruForesterAWDFrontNot For Use With Lifted or Modified Suspensions; Extreme Climate CV 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:

182N198N28321FE1804074902760-728165301866-7281702803980-552880-5530AX-28039CV2722MP7281SB-2041ASB-8040HDXSB10003SB10003S

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