MG20138B Front Inner Axle Shaft for Dana 44 JK Reverse, Axle Length: 19.77", 30 Spline, 1350 Series U-Joint - Fits Jeep Wrangler JK (2007–2018), Replaces: Alloy USA 10138

Short Summary: The TEN Factory MG20138B front inner axle shaft is built for strength and reliability, engineered for Dana 44 JK Reverse differentials in 2007–2018 Jeep Wrangler JK models. Made from premium 4340 Chromoly, it delivers long-lasting performance under demanding conditions.Key FeaturesDifferential Model: Dana 44 JK ReverseAxle Position: Front Inner – Left (Driver Side)Shaft Length: 19.77 InchesSpline Count: 30Material: 4340 Chromoly SteelFinish: Black OxideU-Joint Series: 1350 WJVehicle CompatibilityFits Dana 44 JK Reverse front differentials in the following vehicles:JeepWrangler JK (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018)Replaces OEM & Aftermarket Part NumbersAlloy USA: 10138Spicer: 2002442-1, 2005603-1, 2014170-1Revolution Gear & Axle: DC6582Warranty & Quality AssuranceBacked by a 1-Year Manufacturer Warranty, TEN Factory axle shafts are trusted for their high-strength chromoly construction and superior engineering. Perfect for off-road and heavy-duty use, TEN Factory ensures long-lasting reliability and OE-fit performance.

• Manufactured from high-strength 4340 Chromoly steel for enhanced durability and performance in off-road and high-stress applications.
• Designed for Dana 44 JK Reverse differential; left (driver-side) front inner axle shaft with a 30-spline count and 19.77" overall shaft length
• Black oxide finish helps resist corrosion and wear in demanding environments.
• Features 1350 WJ U-joint series compatibility; includes left inner axle shaft only—U-joint and outer shaft sold separately.
• Direct replacement for OE and aftermarket part numbers: Alloy USA 10138, Spicer 2002442-1, 2005603-1, 2014170-1, and Revolution Gear DC6582.