USA STANDARD GEAR
More Information for USA STANDARD GEAR USA21879
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USA STANDARD GEAR USA21879  
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USA STANDARD GEAR USA21879 Specifications
Inboard End Spline Quantity33
Inboard End TypeSplined
MaterialSteel
Outboard Flange Mount Hole Quantity8
Stub Axle Shaft
Features & Benefits:
  • High-quality construction: Crafted with precision and durability in mind, the USA Standard Front Right Hand Outer Disconnect Axle is built to last.
  • Perfect fitment: Designed specifically for GM 9.25"IFS vehicles with an 8 bolt flange, this axle ensures a seamless installation and optimal performance.
  • Enhanced maneuverability: Equipped with a CV intermediate shaft, this axle improves the overall handling and maneuverability of your vehicle.
  • Year compatibility: Compatible with a wide range of Chevrolet Silverado and GMC Sierra models from 2011 to 2018, including the Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Suburban 2500, and USA Standard XL 2500.
  • Reliable performance: Whether you're tackling rough terrains or hauling heavy loads, this front right-hand outer disconnect axle delivers consistent and reliable performance.
  • Optimal functionality: With its advanced design and engineering, this axle ensures smooth power transfer and efficient operation, enhancing the overall drivability of your vehicle.
  • Genuine OEM replacement: Rest assured that you're getting a high-quality product that meets OEM standards for fitment and performance.
  • Easy installation: This axle comes with all the necessary hardware and instructions for a hassle-free installation process. No professional expertise required!
  • Long-lasting durability: Built to withstand the toughest conditions, this axle is manufactured from top-grade materials to ensure long
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