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Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
( 501 )
$795.99
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$1,013.99
What kind of hidden performance does your vehicle possess that's ready to be unleashed? Spicer Drivetrain Products differential carriers supply the power for you to find out! You can increase your off-road traction, maintain streetability, and get ready to rock and roll in your truck or Jeep with the selection of carriers offered by this legendary manufacturer. Spicer goes above and beyond so your rig can do the same! Order the model and options recommended for your vehicle.
( 37 )
$778.99
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$1,021.99
On Sale
USA Standard Gear ring and pinion gear kit packages provide all you need to re-gear your front or rear differentials. They include ring and pinion sets along with master overall kits to fully complete your job. Save time searching for components—and save money by purchasing everything at the same time. Service the front or rear of your rig with a ring and pinion gear kit package from USA Standard Gear.
( 3 )
$892.99
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$1,134.99
$759.04
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$964.74
On Sale
Yukon Gear & Axle ring and pinion sets are strong but quiet performers. Designed to handle some of the harshest conditions, these sets utilize the latest design and manufacturing technologies to afford you a smooth running gear that's durable and easy to set up. Yukon ring and pinions are available in hundreds of size, ratio, and axle model options. Whether you're on the street, off-road, or at the track, you'll experience unrivaled power and gear performance. Order the model recommended for your application.
( 172 )
$887.99
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$1,008.99
$754.79
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$857.64
On Sale
Yukon Gear & Axle Grizzly lockers offer fierce power! These robust lockers are the ultimate mechanical locking differentials, replacing your entire carrier assembly. Yukon Grizzly lockers feature forged cases with 8620 internals and a patent-pending internal locking mechanism for maximum strength. Assembled in the USA, these lockers will provide 100 percent power to both your tires, while still allowing for disengagement while negotiating turns. Whether your application is for the street, off-road, or drag racing, Yukon Gear & Axle Grizzly lockers will have your rig roaring with performance.
( 22 )
$1,090.99
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$1,130.99
$927.34
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$961.34
On Sale
Off-roaders, before you hit the trails, it's a good idea to prepare your vehicle for the inevitable rough terrain. Summit Racing™ axle upgrade combos include a set of bigger-spline front axles, U-joints, and your choice of manual locking hubs or a hardcore drive flange kit. These upgrade combos ensure that you've installed the right equipment for off-road adventures. Find the package for correct fitment on your particular make and model!
( 2 )
$784.35
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$825.95
Eaton Detroit lockers are designed to maximize traction by delivering 100 percent of the torque and power to both drive wheels. They are engineered to keep both wheels in a constant drive mode and have the ability to automatically allow wheel speed differentiation when required.
( 80 )
$964.99
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$1,084.99
Manufacturer Rebate
Powertrax Lock-Right and performance lockers' straight-line performance is equal to a solid spool axle, yet they automatically unlock to allow for full differentiation in turns. They also reduce the excessive noise, tire wear, and drivetrain damage associated with other lockers. Powertrax lockers replace the spider gears in your differential carrier without affecting your ring and pinion settings. The whole job can be done in your driveway with common hand tools in a couple of hours. A carrier is not included.
( 147 )
$786.99
Summit Racing™ Positraction differential carriers deliver aggressive, yet smooth, controllable traction. Our carriers feature nodular iron cases, forged steel internals, strong teeth—and they're fully rebuildable. We offer fitments for dozens of axle models. Whether replacing or upgrading, Summit Racing™ Positraction differential carriers will put power to the pavement, providing the confidence and performance you need.
( 49 )
$904.99
On Sale
Yukon Gear & Axle Dura Grip positraction carriers offer great traction and strength, and yet are not overly aggressive for the streets. These nodular iron or steel replacements are 4-spring, Raybestos composite, clutch-style, limited-slip carriers—with internal gears machined from forged 4320 steel with stronger teeth. Assembled in the USA, the Yukon differential carriers are rebuildable, allowing for repairs or modifications without buying a new unit. They're available for fitment with nearly two dozen axle models. What are you using to transfer power? Choose smooth operation with strong lockup abilities to transfer torque—benchmarks of the Yukon Gear & Axle Dura Grip positraction carriers.
( 137 )
$961.99
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$1,249.99
$817.69
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$1,062.49
On Sale
Unleash the performance in your vehicle with Spicer Drivetrain Products ring and pinion gears! They're engineered to meet the specific original equipment standards of Dana axles, delivering a perfect fit with less noise, vibration, and harshness. All Spicer ring and pinions are built to the latest Dana designs—which include premium heat-treat processes and optimal tooth profiles, plus high-grade steel to achieve maximum durability. Even in the most demanding conditions, Spicer ring and pinion gears provide quality and unparalleled performance to genuine Dana axles. Order the set designed for your specific axle model application.
( 13 )
$864.99
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$1,039.99
On Sale
Yukon Gear & Axle ring and pinion gear and installation kit combos are complete packages that include front, rear, or front and rear ring and pinion sets, along with the most complete master overhaul kits on the market—giving you everything needed to re-gear the front and/or rear differentials in one package. Conceived to handle some of the harshest conditions, these combos utilize the latest design and manufacturing technologies to afford you quiet running gear that's strong and easy to set up. The included Yukon master rebuild kits undergo extensive research to ensure a perfect fit and hassle-free install with the very best components. Order the combo designed to fit your application.
( 13 )
$903.99
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$1,264.99
$768.39
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$1,075.24
Manufacturer Rebate
Powertrax Grip Pro traction systems are the latest design in differential technology. They combine the smooth operation of a limited-slip differential, with the strength of a fully machined, forged steel case. Using 3x2 spiral gear engineering, the Powertrax Grip Pro delivers progressive and variable traction. Based on throttle input, you are in control of how much traction is applied. These differential systems are great for use where finesse is just as important as brutal traction. On the road or track, in the rain or snow, Grip Pro is a winner! The systems come fully assembled and there are no friction plates—so you can use any gear oil you like, including full synthetic and racing lube.
( 21 )
$774.99
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$1,026.99
Whether starting a new project or replacing an old part, you'll find what's needed with Spicer Drivetrain Products differential carrier cases. Spicer supplies carriers to many OE manufacturers, so the replacement units are every bit as tough as the originals. They'll accept all factory and most aftermarket internal parts, allowing for modifications. Going mild or wild … Spicer Drivetrain differential carrier cases are the place to start. Order the model recommended for your vehicle and axle application.
( 20 )
$774.99
Want to get back the power and gas mileage that you lost from installing those big tires on your Jeep? Motive Gear makes it easy to re-gear your 4x4 with their ring and pinion gear and installation kit combos. These complete kit combos include front and rear ring and pinion sets, plus front and rear bearing kits, giving you everything you need to re-gear the front and rear differentials in one package. The kits come in a wide range of ratios for most Dana applications. Their quality is the result of years of development, outstanding design, and state-of-the-art manufacturing methods to ensure a perfect fit for an easy install.
( 8 )
$1,014.03
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$1,234.10
On Sale
Yukon Gear & Axle offers differential carriers for a wide range of applications. Yukon uses top-quality materials and the latest manufacturing technologies to produce strong, durable carriers that you can depend on for proper traction. These aftermarket units are available in a variety of styles—such as limited-slip, open, Traction-Lok, and locker—for fitment on dozens of axle models and vehicle apps.
( 13 )
$1,193.99
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$1,235.99
$1,014.89
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$1,050.59
On Sale
USA Standard gear axle shafts are high-quality replacements machined from steel for superior strength and performance. They're available for dozens of differential case design applications, such as AMC, Ford, GM, Chrysler, and Dana. The shafts are offered in nearly a hundred lengths and numerous wheel stud patterns. Order the model recommended for your vehicle.
( 36 )
$1,105.99
$940.09
Manufacturer Rebate
If you are looking for the ultimate in traction, the Powertrax Grip Lok traction system can handle the torque of engines producing up to 550 hp. It combines the fully automatic locking action of the Powertrax traditional locker, with the strength of a fully machined case. Using automatic locking technology, the Powertrax Grip Lok traction system delivers automatic mechanically actuated traction. This system is the ultimate in competition for street, strip, and off-road capabilities.
( 1 )
$869.99
On Sale
Yukon Gear & Axle differential carrier cases offer the strength and quality you demand for your ride. Available for many axles and ratios, these cases are constructed from first-rate materials to strict standards, ensuring durable, reliable performance.
( 21 )
$881.99
$793.79
On Sale
USA Standard Gear ring and pinion and differential combos save time and money by including everything you need in one simple part number. Quick Kits feature a USA Standard ring and pinion gear set, Master Install Kit with high-quality Koyo bearings, and required small parts to get vehicles back on the road quickly. The gear and install kits include axle bearings and seals. Many of these combo kits include Dura Grip differentials, depending on application. Order the USA Standard Gear ring and pinion gear and differential combo designed to fit your application.
( 4 )
$1,240.99
$1,054.84
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