TEN Factory MG20124B, Bolt Pattern Spline Drive Axle Shaft for Dana 30 Standard, Left Inner Axle, 16.5" Length, 27 Spline Fits Jeep Wrangler/TJ/YJ (1987–2006) Replaces Spicer 10007743, Alloy USA 10124

Short Summary: The TEN Factory MG20124B Axle Shaft delivers strength and precision to Dana 30 Standard front differentials, offering a high-performance left inner replacement for 1987–2006 Jeep Wrangler/TJ/YJ models. Designed to exceed OE specs with durable 4340 Chromoly construction, this shaft is ideal for off-road enthusiasts.Key FeaturesDifferential Model: Dana 30 StandardPosition: Left (Driver) Inner AxleSpline Count: 27Axle Length: 16.5"Material: 4340 Chromoly SteelFinish: Black OxideU-Joint Compatibility: 1310 WJ Series / 5-760XVehicle CompatibilityJeepCherokee (1984–2001) – w/o Disconnect or w/ Vacuum DisconnectTJ (1997–2006) – Excludes Rubicon & Unlimited RubiconWrangler (1997–2006) – Excludes Rubicon & Unlimited RubiconReplaces OEM & Aftermarket Part NumbersSpicer: 10007743Alloy USA: 10124Nitro Gear & Axle: AXN38821Revolution Gear & Axle: DC6115Motive Gear: MG9019Yukon Gear and Axle: YA W38821USA Standard Gear: ZA W38821Warranty & Quality Assurance TEN Factory provides a 1-Year Warranty on the MG20124B axle shaft. Each component is engineered for off-road strength and reliability, built with 4340 Chromoly and finished in corrosion-resistant black oxide for long-lasting performance.

• Performance-grade left (driver side) inner axle shaft for Dana 30 Standard differentials in 1987–2006 Jeep Wrangler/TJ/YJ applications.
• Measures 16.5" in length with 27 splines, crafted from premium 4340 Chromoly steel for maximum durability in off-road use.
• Black oxide coating provides added corrosion resistance while maintaining a precise fit with factory or aftermarket components.
• Compatible with 1310 WJ U-joints (5-760X), ideal for vehicles without axle disconnect systems.
• Backed by TEN Factory’s 1-Year Warranty and interchangeable with part numbers from Spicer, Alloy USA, Motive Gear, and more.