Fits 2003-2008 Dodge Ram 2500 and 3500 models with dual rear wheels (DRW).

The Yukon Gear & Axle Spin Free Kit is engineered to replace the failure-prone factory unit bearings with a traditional, serviceable tapered bearing and race design. This conversion significantly reduces parasitic drag on the drivetrain by allowing the front hubs to unlock, resulting in improved fuel economy and reduced wear on front-end components. By eliminating the constant rotation of the front axles, differential, and driveshaft when in 2WD, you gain a more efficient and durable drivetrain.

This comprehensive kit features high-strength Yukon 4340 Chrome-Moly outer stub axles and includes Yukon Hardcore Premium Locking Hubs for reliable, manual engagement. The low-profile hub design provides a clean look while offering the strength required for heavy-duty hauling and off-road use.

• Replaces expensive non-serviceable factory unit bearings
• Includes high-strength Yukon 4340 Chrome-Moly outer axles
• Yukon Hardcore Premium Locking Hubs for manual 2WD/4WD selection
• Improves fuel efficiency by reducing drivetrain drag
• Includes new spindles, wheel hubs, bearings, seals, and all necessary hardware
• Manufacturer Part Number: YA WU-05

Fits select 2000-2008 Dodge Ram 2500 and 3500 models with Single Rear Wheels (SRW) and Dana 60 or AAM front differentials featuring the axle disconnect design.

The Yukon Gear & Axle Spin Free Kit is engineered to eliminate the maintenance headaches and parasitic drag associated with factory unit bearings. By replacing non-serviceable factory units with a traditional tapered bearing and race design, this kit provides a more robust, serviceable solution that improves drivetrain longevity. The reduction in rotating mass while in two-wheel drive decreases parasitic drag, leading to improved fuel economy and reduced wear on front-end components.

This comprehensive conversion kit includes Yukon Hardcore Premium Locking Hubs, providing a low-profile, manual solution for quick shifts between 2WD and 4WD. The kit features high-strength 4340 Chrome-Moly outer stub axles, designed to handle higher torque loads and more demanding off-road conditions compared to standard OE components.

• Replaces failure-prone factory unit bearings with serviceable tapered bearings
• Improves fuel efficiency by reducing drivetrain parasitic drag
• Includes high-strength 4340 Chrome-Moly outer stub axles
• Low-profile Yukon Hardcore Premium Locking Hubs for reliable engagement
• Includes new wheel hubs, spindles, bearings, seals, and all necessary installation hardware
• Manufacturer Part Number: YA WU-04

Fits 1955-1964 Chevrolet Bel Air, Biscayne, Chevelle, Chevy II, Corvette, Impala, and Nomad with the 55P GM differential.

The Yukon Gear Dura Grip is a high-performance limited slip differential (LSD) designed to provide smooth, reliable traction for classic Chevrolet applications. Engineered for durability on various terrains, the Dura Grip features a four-spring clutch design that delivers consistent power to both wheels. This unit is fully rebuildable, ensuring long-term serviceability for your drivetrain.

• Fits 55P GM differentials with 17-spline axles
• Compatible with 3.73 and numerically lower gear ratios (also fits thick gears)
• High-strength nodular iron case for maximum rigidity
• Forged 4320 chromoly spider gears for increased tooth strength and durability
• High-quality composite clutches for smooth engagement and long life
• Assembled in the USA and extensively tested for fitment and performance
• Manufacturer Part Number: YDGGM55P-17-1

Fits select 1998-2009 Buick, Cadillac, Chevrolet, Chrysler, Dodge, GMC, Isuzu, and Ram vehicles.

The Yukon Gear Transfer Case Rear Seal is a precision-engineered replacement component designed to prevent fluid leaks at the rear output shaft of your drivetrain. This seal ensures that transfer case lubricant remains contained, protecting internal gears and bearings from heat and friction damage caused by low fluid levels. Manufactured to meet or exceed original equipment specifications, it provides a reliable, direct-fit solution for maintaining your vehicle's New Process or New Venture transfer case.

• Direct replacement for the rear output shaft seal to stop or prevent leaks
• Compatible with NP126, NP136, NP146, NP236, NP246, NP261, and NP263 transfer case models
• Helps maintain critical lubrication levels for drivetrain longevity
• Built with durable materials to withstand the temperature and chemical demands of transfer case fluid
• Manufacturer Part Number: ZTSEA22507TTO

Fits 2007-2017 Jeep Wrangler JK and Wrangler Unlimited models.

Restore steering precision and eliminate the "dead zone" in your Jeep Wrangler JK's handling with this new power steering gear box. Over time, internal components wear down, leading to steering wander, grinding noises, and imprecise drifting on the road. The USA Standard Gear ZSG8417 is an engineered replacement that resolves these common JK steering issues by providing a tight, responsive connection between the steering wheel and the front tires.

This unit is brand new, not remanufactured, meaning it is built from the ground up with fresh components for maximum longevity. It is designed for a direct bolt-on installation using factory mounting points, making it a straightforward replacement for worn OE gear boxes. With a 3.0 turns lock-to-lock ratio, it maintains the maneuverability you expect while backed by a robust 3-year warranty.

• Manufacturer Part Number: ZSG8417
• Steering Ratio: 3.0 turns lock-to-lock
• Condition: New unit (No core return required)
• Fitment: Direct bolt-on replacement for factory steering gear
• Warranty: 3-year manufacturer warranty

Fits 2011-2021 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD.

If your truck suffers from vague steering, drifting, or a "floaty" feel, a worn steering gear is often the culprit. The USA Standard Gear ZSG7675 Power Steering Gear Box is engineered to restore precise handling and eliminate the grinding, binding, and looseness common in high-mileage HD trucks. This unit is an all-new replacement, not a remanufactured gearbox, ensuring tight tolerances and consistent performance without the risk of internal wear found in refurbished parts.

Designed for straightforward bolt-on installation, this steering box replaces the factory unit using existing mounting points. It features a 3.5 turns lock-to-lock ratio for a balanced feel and does not require a core return, eliminating the cost and hassle of shipping your old part. This unit is intended for heavy-duty GM applications without electronic steering assist.

• Manufacturer Part Number: ZSG7675
• Fits heavy-duty 2500 and 3500 series trucks
• 3.5 turns lock-to-lock
• All-new construction (no remanufactured components)
• No core charge or core return required
• Non-electronic assist configuration
• 3-year manufacturer warranty

Fits 2008-2010 Ford F-250 and F-350 Super Duty (V8-5.4L / V8-6.0L / V8-6.4L / V10-6.8L).

Restore steering precision and eliminate wandering with this brand-new power steering gear box from USA Standard Gear. Designed to replace worn internal components that cause grinding noises, binding, and "floaty" steering, this unit provides a direct bolt-on solution to recover original handling characteristics. Unlike remanufactured alternatives, this is a 100% new assembly requiring no core return, saving you the hassle and cost of shipping your old part back.

• Input Shaft Style: Double Flat
• Steering Ratio: 4.25 turns lock-to-lock
• Build Quality: Engineered to meet or exceed OEM specifications
• Service Type: 100% brand new, no core charge or core return required
• Manufacturer Part Number: ZSG7631
• Warranty: Industry-leading 3-year manufacturer warranty

Fits 2005-2008 Ford F-250 and F-350 Super Duty models.

Restore precise handling and eliminate steering wander with this brand-new power steering gear box from USA Standard Gear. This unit is designed to replace worn original equipment that causes vague steering response, grinding noises, or hydraulic leaks. Built as a 100% new component rather than a refurbished unit, it eliminates the need for core returns and ensures all internal tolerances meet or exceed OEM standards for long-term reliability.

• Manufacturer Part Number: ZSG7621
• Input Shaft: 29 Spline with Single Flat
• Steering Ratio: 4.25 turns lock-to-lock
• Construction: 100% new unit, not remanufactured
• Core Policy: No core charge or core return required
• Installation: Direct bolt-on replacement for factory mounting points
• Warranty: 3-year manufacturer warranty

Fits select 2003-2008 Dodge Ram 1500, 2500, and 3500 trucks. This new power steering gear box replaces worn, loose, or leaking factory units to restore steering precision and eliminate the "dead zone" in your wheel.

Unlike many aftermarket options, this is a brand-new unit—not a remanufactured or refurbished gear—meaning it is built from the ground up to meet or exceed OE tolerances. This eliminates the inconvenience of core returns and provides a longer service life. Whether you are experiencing grinding noises, binding, or a vague feel that causes your truck to drift, this bolt-on replacement addresses internal wear that compromises your vehicle's handling and safety.

• Manufacturer Part Number: ZSG7616
• Condition: New, no core return required
• Ratio (2500/3500): 3.0 Turns lock-to-lock
• Ratio (1500 Mega Cab): 3.3 Turns lock-to-lock
• Installation: Direct bolt-on to factory mounting locations
• Warranty: Industry-leading 3-year warranty from USA Standard Gear

Fits select 1999-2010 Chevrolet Silverado, Suburban, and Avalanche 2500; GMC Sierra and Yukon XL; and Hummer H2. This power steering gear box is the definitive solution for vague handling, steering wander, or fluid leaks in your heavy-duty GM truck or SUV.

As these vehicles age, internal components in the steering gear wear down, resulting in imprecise steering, grinding noises, and a "floaty" feel that makes keeping the vehicle centered in your lane difficult. The USA Standard Gear ZSG7589 restores factory steering response and road feel. Unlike many options on the market, this unit is 100% new—not remanufactured—meaning you receive a gear box with zero internal wear and no core return required.

• Direct Bolt-On: Engineered to meet or exceed OEM specifications for a straightforward installation using factory mounting points.
• New Construction: Eliminates the risks associated with refurbished units, providing a longer service life and tighter tolerances.
• 33-Spline Output: Specifically designed for 33-spline applications to ensure proper pitman arm engagement.
• Warranty: Backed by an industry-leading 3-year manufacturer warranty.
• MPN: ZSG7589

Fits 1997-2002 Dodge Ram 2500 and 3500 Base models.

Restore precise handling and eliminate steering slop with a brand-new USA Standard Gear power steering box. This unit is an ideal solution for heavy-duty Dodge trucks suffering from the common symptoms of a worn steering gear, including drifting, persistent pulling, grinding noises, and an imprecise, "floaty" feel at the wheel. Unlike remanufactured units that may carry over fatigue from old castings, this is a completely new component engineered to meet or exceed OEM specifications for fit and internal tolerances.

• Direct bolt-on installation into factory mounting locations
• 4.1 turns lock-to-lock for consistent steering response
• New construction eliminates the need for core returns or core charges
• Designed to resolve steering looseness and internal binding
• Manufacturer Part Number: ZSG7585
• Includes an industry-leading 3-year warranty

Fits select 1997-2005 Ford E-250, E-350, Excursion, F-250, F-350, F-450, and F-550.

Restore precise handling and eliminate steering wander with the USA Standard Gear ZSG7569 Power Steering Gear Box. Over time, internal components in the factory steering unit wear down, leading to grinding noises, fluid leaks, and a "floaty" feel that causes the vehicle to drift. This unit replaces worn steering gears to tighten response and ensure predictable control for Ford Super Duty trucks and E-Series vans.

Unlike many aftermarket alternatives, this is a 100% new unit, not a remanufactured part. This ensures you receive a component with zero internal wear while eliminating the hassle and expense of a core return. Engineered for a direct bolt-on installation, this gear box is designed to meet or exceed OEM quality standards for long-term reliability in heavy-duty applications.

• Manufacturer Part Number: ZSG7569
• Steering Ratio: 4.0 turns lock-to-lock
• Condition: 100% New (No core charge or return required)
• Installation: Easy bolt-on design for factory mounting points
• Warranty: 3-year manufacturer warranty

Fits select 1980-2005 American Motors, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles (including Blazer, Firebird, and Caprice models).

Is your steering feeling vague, imprecise, or floaty? Worn internal components in a steering gear box can lead to drifting, grinding noises, and a dangerous loss of road feel. This brand new, not refurbished, power steering gear box from USA Standard Gear restores factory-level steering response and eliminates the need for core returns.

Engineered to meet or exceed OEM specifications, this unit is designed for a straightforward bolt-on installation, making it an ideal solution for addressing visible leaks or steering bind in high-mileage trucks and classic cars. It features a specific 26-spline input and 32-spline output configuration to ensure correct fitment with your vehicle's steering linkage.

• Manufacturer Part Number: ZSG7560
• Input Spline Count: 26-Spline
• Output Spline Count: 32-Spline
• Construction: 100% brand new (no core charge or return required)
• Installation: Direct bolt-on replacement for factory unit
• Warranty: Industry-leading 3-year warranty

Fits select 1985-2000 Cadillac, Chevrolet, and GMC trucks and SUVs including Escalade, Blazer, Tahoe, Yukon, and C/K Series 1500-3500. This new power steering gear box is the direct solution for vague, floating steering, grinding noises, and fluid leaks common in aging heavy-duty steering systems.

Unlike refurbished units, this gear box is manufactured brand new by USA Standard Gear, requiring no core return and eliminating the downtime of shipping old parts. It is engineered to meet or exceed original equipment tolerances, restoring the tight, responsive steering feel your truck had from the factory. The unit is designed for a straightforward bolt-on installation into the factory mounting position.

• Replaces worn internal components to eliminate steering wander and drift
• Brand new construction—no core charge or core return required
• 26-Spline single flat input and 32-spline output shaft
• Engineered for precise fitment and easy bolt-on installation
• Manufacturer Part Number: ZSG7540
• Industry-leading 3-year manufacturer warranty

Fits select 1980-1992 Chevrolet and GMC K10, K20, K30, K1500, K2500, K3500, V-Series trucks, Blazer, and Jimmy models.

Restore precision to your truck's steering with this 100% new power steering gear box from Yukon Gear. Unlike remanufactured units that may carry over internal wear, this gear box is engineered as a new replacement to eliminate common symptoms of a compromised steering system, including wandering, grinding noises, and steering wheel binding. This unit features a 9-spline output shaft and is designed for a direct, easy bolt-on installation into the factory mounting location.

Because this part is manufactured brand new, there is no core charge or core return required, simplifying your installation and reducing total project costs. Each unit is built to meet or exceed OEM quality standards to ensure long-term durability and consistent road feel.

• Manufacturer Part Number: ZSG7524
• Output Shaft: 9-Spline
• Condition: 100% New (Not Refurbished)
• Core Requirement: No core return needed
• Warranty: 3-Year manufacturer warranty from USA Standard Gear
• Fitment Type: Direct Bolt-On replacement

Fits select 1980-1991 Chevrolet and GMC C-Series, R-Series, and K-Series trucks, including C10, C20, C30, K5 Blazer, Jimmy, and Suburban models. This Yukon Gear power steering gear box is the definitive solution for the vague, floating steering feel common in aging Square Body and R/V series GM trucks. Unlike remanufactured units that may carry over worn internal housings, this is a brand-new component engineered to meet or exceed OEM specifications for precise steering response and long-term reliability.

Designed as a direct bolt-on replacement for factory units, this steering gear features a 32-spline output shaft. It eliminates common symptoms of steering gear wear such as grinding noises, internal binding, fluid leaks, and excessive play at the wheel. Because this is a new unit, there is no core charge and no core return required, simplifying your installation and reducing downtime.

• Manufacturer Part Number: ZSG7522
• Output Shaft: 32-spline
• Condition: Brand new, not refurbished
• Core Charge: None (no return required)
• Installation: Easy bolt-on to factory mounting points
• Warranty: 3-Year manufacturer warranty from USA Standard Gear

Fits select 1967-1979 Chevrolet, GMC, Dodge, Plymouth, and International Harvester vehicles, including C10/C20/C30 pickups, Suburbans, Ramchargers, and Travelalls.

Restore steering precision and eliminate excessive play with the USA Standard Gear ZSG7501 Power Steering Gear Box. Over time, internal components in the factory steering box wear down, leading to a "floaty" feel, steering wander, and imprecise tracking. This 100% new unit is engineered to meet or exceed OEM quality, providing a direct bolt-on solution that restores the tactile response and directional control of your classic truck or SUV.

Unlike many aftermarket options, this is a completely new assembly, not a remanufactured or refurbished unit. It requires no core return, saving you the hassle and expense of shipping your old part back. Each unit is built to strict tolerances to ensure smooth operation and long-term durability under heavy use.

• Replaces worn, leaking, or loose factory power steering units
• 30-spline input shaft and 32-spline output shaft
• 100% new construction—no core charge or core return required
• Direct bolt-on installation into factory mounting points
• Manufacturer Part Number: ZSG7501
• Includes an industry-leading 3-year warranty

Fits select 2009-2024 Dodge Ram 2500 and 3500 heavy-duty trucks. This USA Standard Gear ZSG5216 power steering gear box is the solution for the vague steering feel, dead zones, and persistent drifting common in high-mileage heavy-duty steering systems.

Unlike refurbished units that often retain worn internal housings, this gear box is a brand-new component engineered to meet or exceed OEM specifications. The 6-bolt top cover design provides superior housing strength and sealing compared to older 4-bolt configurations, ensuring a more rigid steering response and long-term durability. This unit is a direct bolt-on replacement for factory units, designed to restore precise handling and eliminate steering wander or binding.

• Direct Fit: Designed for easy bolt-on installation using factory mounting points.
• New Construction: Entirely new unit, not remanufactured, requiring no core return or core charge.
• Heavy Duty Design: Features a robust 6-bolt housing to handle the high-torque demands of 2500 and 3500 series trucks.
• Warranty: Backed by an industry-leading 3-year warranty from USA Standard Gear.
• Manufacturer Part Number: ZSG5216

Fits select 2003-2014 Nissan Frontier, Pathfinder, Titan, and Xterra models equipped with the M226 rear differential.

The USA Standard Gear Master Overhaul Kit is a comprehensive rebuild solution designed to provide all the precision components required to service or upgrade your differential. This kit (MPN ZK NM226) is engineered specifically for the Nissan M226 rear axle, replacing worn factory components with high-quality bearings and seals to restore drivetrain integrity and quiet operation. Each kit is the result of extensive research to ensure exact compatibility and a complete component set for the professional installer or DIY enthusiast.

• Features premium Koyo bearings and races for durability and reduced friction
• Complete shim kit included for precise backlash and pinion depth adjustment
• Replacement pinion seal, pinion nut, and crush sleeve for a leak-free seal
• Includes ring gear bolts, oil baffles, and slingers
• Installation supplies included: thread locker, marking compound with brush, silicone, and gasket
• Manufacturer Part Number: ZK NM226