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Discover all of RANDYS brands including Yukon Gear & USA Standard Gear

The RANDYS Family of Brands


Yukon Gear & Axle® provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring & pinions, positractions, lockers, axle upgrades, rebuild kits, hubs, driveshafts, diff covers, and more. Proven at the King of the Hammers and the granite crags and outcrops of Moab, Yukon products are built for abuse so you can gear up and wheel with confidence.


USA Standard Gear® sets the standard for quality OE replacement parts at affordable prices. USA Standards provides the widest selection of drivetrain replacement parts on the market, including ring & pinions, axles, Perfect Fit driveshafts, transmission and transfer case components, and installation kits as well as the Spartan Locker® – the toughest lunchbox locker. Designed for the general installer and do-it-yourself customer, USA Standard Gear products provide unmatched reliability in the replacement drivetrain industry.

Zumbrota Drivetrain® produces the highest quality remanufactured transfer cases, axle assemblies, and manual transmissions in the industry. Zumbrota’s commitment to craftsmanship, superior inspection techniques, and a proprietary cleaning processes restore our units to a like-new appearance and, in some cases, better-than-stock functionality. From rear ends, manual transmissions, and transfer cases to individual component parts, Zumbrota has set the high mark for excellence in aftermarket remanufacturing since 1989.


ICON Vehicle Dynamics’® deep dive engineering, advanced manufacturing techniques, and extensive ride development and testing has made it a leading-edge performance suspension manufacturer since 2008. To keep quality at the forefront, all laser cutting, metal forming, CNC machining, welding, and assembly is done in-house. ICON produces shocks, suspension lift systems, Delta Joint™ ball joints, steering components, a line of off-road armor that includes bumpers, rock guards, and skid plates, and a complete line of alloy wheels.

Dynatrac™ was founded in 1988 but changed the off-road game in 2002 with the introduction of the ProRock 60®, the first high-clearance off-road axle of its kind. This built-to-the-hilt assembly was designed to endure the most intense off-roading. The ProRock line has expanded with the ProRock 44 for JK Jeeps, the ProRock 44/60 Hybrid, and the ProRock 80. Dynatrac also produces ProFloat™ axles for current Jeeps, Free-Spin™ hub conversion kits, DynaLoc™ locking hubs, rebuildable Dynatrac Ball Joints™, bumpers and more.

Carli Suspension® has been meeting and exceeding the expectations of both the daily street driver and the most extreme off-road enthusiast since 2003. From urban street jungles to the unforgiving desert terrain of Baja, Carli Suspension’s commitment to quality and excellence shines through. Carli manufactures mild suspension levelling kits, full-blown competition-worthy systems with aggressive lifts, and everything in between. The company also produces steering components, ball joints, and differential fortification products.



Differentials and drivetrain components are notoriously complex and very fitment specific. With the development of the PartsPortal® parts finder system, RANDYS is able to quickly and accurately provide customers with the fitment data they need to ensure they get the right part the first time, every time.

The PartsPortal® powers and dozens of distributor websites that sell drivetrain parts. Looking to get the PartsPortal® tool on your site? Contact a member of our sales team today!

PartsPortal Section