Drivetrain Differentials and Rear-End Components

Dynatrac

~(40 lbs. 42X8X8)~ Axle Shaft Assembly Kit Front RCV Performance Ultimate CV 4340 Pro Rock 44 2007-2018 JK Non-Tru Loc Diff 65.5 Width 30 Spline

$1,737.23

SKU: D03E JK44-1X3220-B

In Stock
In Stock
Ships by Jun 17
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Dynatrac ProRock 44™ front axle is a direct replacement housing for 2007-2018 Jeep Wrangler JK front axles. It addresses weaknesses of the factory Dana 44 when using larger tires and off-roading. Its patented ProRock shape offers more ground clearance than Dana 30 and other Dana 44-based axles. Features include: Strongest end forgings, Rock-proof nodular-iron Dynatrac differential cover, Heavy-duty 3.0-inch diameter axle tubes with 1/2-inch wall thickness (DOM tubing), New upper suspension bushings, Dynatrac HD Rebuildable Balljoints, Laser-cut suspension brackets, thicker than factory, Retains Next-Gen JK 44 ring and pinion for enhanced strength, Manufactured in the USA, Exclusive Dynatrac no-fault, 12-month and unlimited-mileage warranty. Configuration Options: ProRock 44 housing (re-use factory Rubicon electric locker), Completely assembled ProRock 44 with new differential/locker, ring-and-pinion gearset, gear setup, install kit, and yoke, Choice of Dynatrac Track Bar Bracket, "Unlimited" housing option offers more caster for taller suspension lifts.

Fitment

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Specifications

BrandDynatrac
Part NumberD03E JK44-1X3220-B

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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