TrakMotive
AAR CV Axle Shaft

TrakMotive MZ-8243 CV Axle Shaft - Front Left

Brand TrakMotive MZ-8243
Position Front Left
Abs Tone Ring Included No
Axle Nut Head Type Hex
Axle Nut Height (in) 0.59
Axle Nut Height (mm) 15
Axle Nut Hex Size (in) 1.26
Axle Nut Hex Size (mm) 32
Axle Nut Included Yes
Axle Nut Length (in) 1.45
Axle Nut Length (mm) 36.95
Axle Nut Locking Type Self-Lock
Axle Nut Thread Size M22*1.5
Boot Material Neoprene
Inboard Joint Type Male
Inboard Shaft Connection Style Spline
New Or Remanufactured New
Number Of Inboard Splines 31
Number Of Outboard Splines 28
Outboard Joint Type Conventional
Outboard Shaft Connection Style Spline
Overall Compressed Length (in) 25.12
Overall Compressed Length (mm) 638
Product line AAR CV Axle Shaft
Fits Mazda · 5 vehicles

New axle shaft. Built as a fresh replacement, not remanufactured.

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

Includes axle nut. Self-locking hardware is ready for installation.

Cross-references TrakMotive MZ-8243, 249243 and FTC42560X for the same application. See all 6.

$117.43Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $117.43
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

TrakMotive AAR CV Axle Shaft for Mazda 3

The TrakMotive AAR CV Axle Shaft, part number MZ-8243, is a new front left axle assembly for 2014-2018 Mazda 3 applications. It is built with a neoprene boot, spline-style shaft connections, and includes the axle nut for a direct replacement on the specified vehicle fitment.

Key Features

  • Fits 2014-2018 Mazda 3, front left
  • TrakMotive AAR CV Axle Shaft, part number MZ-8243
  • New replacement axle shaft with 31 inboard splines and 28 outboard splines
  • Male inboard joint with conventional outboard joint design
  • Neoprene boot material for driveline protection
  • Axle nut included with M22 x 1.5 thread, 32 mm hex size, and self-lock design
  • Overall compressed length: 25.12 in. (638 mm)
  • ABS tone ring not included

Product Details

This AAR CV axle shaft is engineered for the front left position on the Mazda 3 and follows the specified spline counts, joint styles, and compressed length for the listed applications. The TrakMotive MZ-8243 is a new axle assembly that supports OE-style driveline replacement needs for 2014-2018 Mazda 3 models, including updated design coverage noted for this application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Replacement Reasons

  • Clicking or popping noises during turns from a worn CV joint
  • Vibration or shudder during acceleration
  • Torn axle boot or grease leakage
  • Excessive driveline play or axle wear
  • Front left axle failure on a 2014-2018 Mazda 3

Installation Notes

Verify front left fitment before installation on the Mazda 3 and confirm spline count, compressed length, and axle nut thread size against the original part. The included axle nut uses an M22 x 1.5 thread and 32 mm hex size. ABS tone ring is not included, and ABS axles fit non-ABS applications unless otherwise noted by the vehicle configuration.

Quality Assurance

TrakMotive identifies this axle shaft as a new component from an ISO 9001:1007 and TS 16949:2009 certified company. The part is backed by a limited lifetime warranty.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2018Mazda3Automatic2.5LL4Front LeftUpdated Design; AAR CV Axle Shaft
2017Mazda3Automatic2.5LL4Front LeftUpdated Design; AAR CV Axle Shaft
2016Mazda3Automatic2.5LL4Front LeftUpdated Design; AAR CV Axle Shaft
2015Mazda3Automatic2.5LL4Front LeftUpdated Design; AAR CV Axle Shaft
2014Mazda3Automatic2.5LL4Front LeftUpdated Design; AAR CV Axle Shaft
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
TrakMotive — MZ-8243249243FTC42560XMZ10547ERNCV47115NCV47124