Jeep TJ Rubicon Axle Shaft - Front, Left-Hand, Inner - Yukon Gear & Axle - 4340 Chromoly, 30 Spline - `03-`06. This direct-fit left inner axle is engineered for Rubicon-equipped TJ Jeeps with Dana 44 front differentials and is designed to replace the OE left inner shaft at 16.96" long and 30 splines.

Built from 4340 chromoly steel and manufactured to Yukon’s production standards, this axle shaft is intended for drivers running larger tires or higher torque who need a stronger front inner shaft. Yukon uses cold roll formed splines and advanced induction heat treating to improve fatigue life and wear resistance. The part is a like-for-like replacement for the left front inner axle on TJ Rubicon Dana 44 applications from model years 2003–2006 and carries Yukon’s limited lifetime warranty that covers manufacturing defects and axle breakage for as long as you own the vehicle (warranty is not transferable).

Features

• 4340 high-tensile chromoly construction for improved strength
• Cold roll formed 30 splines for consistent spline engagement
• Induction coil heat treated for durability and wear resistance
• Length: 16.96" — direct fit for TJ Rubicon Dana 44 left inner
• Limited lifetime warranty with "No Questions Asked" replacement on first claim (subject to Yukon determination)

This Yukon left inner axle is a focused upgrade for enthusiasts who want a stronger replacement without modifying axle geometry or fitment. If you have questions about fitment, torque specs, or whether this shaft suits your build, give us a call — we’re happy to help. We offer installation and customization services at both of our locations in Austin, Texas and the Los Angeles, California area. Call us: 512-982-9393 (TX) or 562-981-6800 (CA).

If you are thinking about purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov