HomeDriveline and Axles > CV ComponentsTrakMotive FD-8391 CV Axle Shaft - Front Left
Part #: FD-8391

TrakMotive FD-8391 CV Axle Shaft - Front Left

AAR CV Axle Shaft, Front Left
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦AAR CV Axle Shaft, Front Left
🚗Fitment: Ford, EcoSport
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of TrakMotive AAR CV Axle Shaft FD-8391

The TrakMotive AAR CV Axle Shaft FD-8391 is designed specifically for Ford EcoSport models, providing reliable driveline performance. This new CV axle shaft ensures proper fitment and durability for your vehicle's front-wheel-drive system.

  • Compatible with Ford EcoSport
  • Includes self-locking axle nut with hex head
  • Neoprene boot material for enhanced joint protection
  • Inboard joint type: Male with 35 splines
  • Outboard joint type: Conventional with 25 splines
  • Overall compressed length: 26.02 inches (661 mm)
  • Axle nut thread size: M22 x 1.5

About the AAR CV Axle Shaft Product Line

The AAR CV Axle Shaft line by TrakMotive focuses on delivering precise fit and reliable performance for driveline and axle components. This product line emphasizes quality materials and accurate specifications, such as spline counts and boot construction, to meet the demands of specific vehicle applications like the Ford EcoSport.

Detailed Product Description

The FD-8391 CV axle shaft features a neoprene boot that offers resistance to wear and environmental factors, helping to maintain joint integrity over time. The inboard joint is a male type with 35 splines, while the outboard joint is conventional with 25 splines, both designed for smooth power transfer. The included axle nut is self-locking with a hex head measuring 1.25 inches (31.8 mm) across flats and a height of 0.74 inches (19 mm), ensuring secure installation. The overall compressed length of 26.02 inches (661 mm) matches the Ford EcoSport's specifications for proper driveline alignment.

Common Applications and Issues Addressed

  • Replacement of worn or damaged CV axle shafts on Ford EcoSport
  • Eliminating clicking or popping noises during turns
  • Resolving vibration issues related to axle imbalance
  • Fixing grease leaks caused by torn or degraded boots
  • Restoring driveline stability and smooth power delivery

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify the spline counts and axle length match the Ford EcoSport requirements. Use the included self-locking hex axle nut (M22 x 1.5 thread) and torque to manufacturer specifications. Inspect the neoprene boot for any damage during installation to maintain joint protection. Proper alignment and secure fastening are critical for optimal driveline performance.

Quality Assurance and Warranty

The TrakMotive AAR CV Axle Shaft FD-8391 is a new, not remanufactured, component built to meet OEM standards. It includes a self-locking axle nut and durable neoprene boot for long-lasting service. While specific warranty details are not provided, TrakMotive products typically adhere to industry quality controls to ensure reliability and fitment for Ford EcoSport vehicles.

BrandTrakMotive
Part NumberFD-8391
PositionAAR CV Axle Shaft, Front Left
Abs Tone Ring IncludedNo
Axle Nut Head TypeHex
Axle Nut Height (in)0.74
Axle Nut Height (mm)18.899999999999999
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)36.72
Axle Nut Locking TypeSelf-Lock
Axle Nut Thread SizeM22*1.5
Boot MaterialNeoprene
Inboard Joint TypeMale
Inboard Shaft Connection StyleSpline
New Or RemanufacturedNew
Number Of Inboard Splines35
Number Of Outboard Splines25
Outboard Joint TypeConventional
Outboard Shaft Connection StyleSpline
Overall Compressed Length (in)26.02
Overall Compressed Length (mm)661

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020FordEcoSport2.0LL4Front LeftThru 10/28/19; AAR CV Axle Shaft
2019FordEcoSport2.0LL4Front LeftOE AAR design; AAR CV Axle Shaft
2018FordEcoSport2.0LL4Front LeftUpdated Design; AAR 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:

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