MG20140B Bolt Pattern Spline Drive Axle Shaft for Dana 44 JK Reverse Left (Driver)|Right (Passenger) 6.3" Length, 32 Spline, 4340 Chromoly Fits Jeep Wrangler – Replaces YA W39127, 10140

Short Summary: The TEN Factory MG20140B outer axle shaft is built for Dana 44 JK Reverse axles found in 2007–2018 Jeep Wranglers. Engineered from 4340 chromoly, this shaft offers enhanced strength for serious off-road enthusiasts while maintaining OE compatibility and durability.Key FeaturesApplication: Dana 44 JK Reverse – Outer Shaft for Left or Right SideVehicle Fitment: 2007–2018 Jeep Wrangler JKSpline Count: 32 outboard splinesAxle Length: 6.3 inchesMaterial: 4340 Chromoly with Black Oxide FinishU-Joint Compatibility: 1350 WJ / 5-7166XVehicle CompatibilityJeepWrangler (2007–2018)Replaces OEM & Aftermarket Part NumbersSpicer: 10015183Alloy USA: 10140Spicer: 2002421Spicer: 2014171Revolution Gear & Axle: DC6567Yukon Gear and Axle: YA W39127Warranty & Quality Assurance This product includes a 1-year limited warranty. Built by TEN Factory with precision-forged 4340 chromoly, it offers industry-leading performance and long-term reliability for Jeep owners upgrading or replacing OEM components.

• ✅ The TEN Factory MG20140B is a high-performance outer axle shaft designed for Dana 44 JK Reverse axles on 2007–2018 Jeep Wranglers, ideal for off-road applications.
• ✅ Manufactured from premium 4340 chromoly steel, this shaft delivers superior strength and durability over stock components.
• ✅ Features 32 outboard splines, 6.3-inch shaft length, and is compatible with 1350 WJ U-joints using 5-7166X joints.
• ✅ Corrosion-resistant black oxide finish provides enhanced protection and longevity under harsh terrain and trail conditions.
• ✅ Backed by a 1-year limited warranty, this shaft fits both left (driver) and right (passenger) sides for simplified replacement.