USA STANDARD GEAR
More Information for USA STANDARD GEAR USA21903
{Alternate Inventory Numbers: USA-21903}
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USA STANDARD GEAR USA21903  
$160.79
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$160.79
Total
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USA STANDARD GEAR USA21903 Specifications
Length21.3"
MaterialHeavy Duty 4340 Chromoly
Spline Count32
4340 Chromoly
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
  • 32 spline
  • Measures 21.3” long
  • Wide Track design
  • Front inner axle, left-hand side
  • Heavy duty 4340 chromoly construction
  • Uses 7166 Series u-joint
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