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🧾 Overview
The Yukon Gear & Axle Chromoly Rear Axle Kit is a heavy-duty upgrade engineered specifically for Jeep Wrangler JK Rubicon models equipped with a Dana 44 rear differential. Built from 4340 chromoly steel, these axles are designed to withstand the extreme stresses of large tires, lockers, and aggressive off-road use where factory shafts are known to fail.
Yukon performance axles are manufactured using cold roll-formed splines and advanced heat-treating processes, resulting in superior strength, fatigue resistance, and long-term durability. This complete kit replaces both rear axle shafts and includes all necessary hardware for a straightforward installation.
✔ Ideal upgrade for locked or hard-used Dana 44 rear axles
✔ Designed for JK Rubicon 32-spline applications
✔ Complete kit with bearings, seals, and hardware
🛠 Installation
- Professional installation recommended
- Designed for Dana 44 rear differentials only
- Verify spline count and axle application prior to ordering
📌 Specs
- Key Features & Benefits
- Direct-fit replacement for Dana 44 rear axles
- 32-spline configuration for JK Rubicon applications
- Double-drilled wheel flanges: 5 x 5” and 5 x 5.5” bolt patterns
- Fits both left and right rear axle positions
- Significantly stronger than factory axle shafts
- Design & Performance
- Manufactured from high-tensile strength 4340 chromoly steel
- Cold roll-formed splines for increased strength and spline life
- Advanced heat-treating for superior fatigue resistance
- Built to handle oversized tires, lockers, and hard trail use
- 📦 What’s Included
- (2) 4340 Chromoly Rear Axle Shafts
- Wheel Bearings
- ABS Tone Rings
- Seals
- Wheel Studs
- Lug Nuts
- 🛡 Warranty
- Yukon Gear & Axle Limited Manufacturer Warranty
⚠️ Fitment Notes
- ✔ Jeep Wrangler JK Rubicon
- ✔ Jeep Wrangler JK Unlimited Rubicon
- 🧾 Technical Specifications
- Axle Type: Rear
- Differential: Dana 44
- Spline Count: 32
- Material: 4340 Chromoly Steel
- Bolt Pattern: 5 x 5” & 5 x 5.5” (Double Drilled)
- Position: Rear – Left & Right