USA STANDARD GEAR
More Information for USA STANDARD GEAR USA21414
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USA STANDARD GEAR USA21414  
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USA STANDARD GEAR USA21414 Specifications
Kit ContentsIncludes Yukon Super Joints, Two 30 Spline Inner Axles, Two 19 Spline Outer Axles
MaterialHeavy Duty 4340 Chromoly
4340 Chromoly Axle Kit
USA Standard high-performance axles are built with high-tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature advanced induction coil heat treating to create an axle of unmatched quality and durability.
Features & Benefits:
  • Fits Dana 44 differential
  • Includes two 19 spline outer axles
  • Includes two 30 spline inner axles
  • Heavy duty 4340 chromoly construction
  • Includes USA Standard Super Joints
Steel Properties
SAE GradeTensile Strength (psi)Yield Strength (psi)
1040120,000106,000
1050162,000146,000
1541H 181,000164,000
4340228,000210,000

Note: OEM axles are made from 1040 or 1050 steel. Tensile Strength refers to the point at which the material ruptures. Yield Strength refers to the point where the material takes on a noticeable, permanent deformation.

USA Standard Gear Technical Support

If you are having trouble choosing the correct USA Standard Gear part, or experiencing issues during or after installation of this part, USA Standard Gear's technicians are available to help answer your questions.

Phone: 1-866-748-0902 (M-F 6am-4pm PST)



Attention California Customers - Not Applicable


USA STANDARD GEAR Warranty Information:
12 Months
Warranty Details