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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.
( 495 )
$1,279.99
Replace your slow, unreliable vacuum or electric front axle engagement system with one of these 4x4 Posi-Lok cable activated systems. The Posi-Lok systems give you direct control of your front axle right from your cab, so they will engage every time. They have a short 1 in. throw to make shifting on the fly easy, and as an added bonus, a 2WD low-range to give you the rear-wheel torque of 4-LO, and the bind-free steering action of 2-HI.
( 332 )
$174.95
Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver or a full-competition 4x4 or race car. They are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear ring and pinion sets are engineered to meet or exceed OEM specifications at a price that won't break your budget. Their broad selection of ring and pinion ratios is available for just about every vehicle made from the 1940s through the present. All Motive Gear products meet strict quality standards through advanced manufacturing techniques and are backed by their strong warranty. Their in-house quality control lab utilizes state-of-the-art equipment to continuously check Motive Gear products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Motive Gear products packaged and ready for delivery.
( 283 )
$247.14
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$848.99
Rust, rocks, and road debris all take part in destroying differential covers—so Spicer Drivetrain Products introduces a line of axle-specific replacements. These kits include a new cover, plug, and installation bolts for an all-new look. They're available in a variety of materials and finishes for high strength and good looks. The differential covers are offered for the front or rear with select options for your particular application.
( 95 )
$40.99
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$228.99
Summit Racing™ offers Street-Strip Performance clutch kits for hundreds of cars, trucks, and vans. They're ideal for use with moderate engine modifications, including intake and exhaust upgrades, camshaft and cylinder head work, and engine management programming. These kits provide a heavier pedal effort than stock, along with improved holding capacity, making them excellent high performance replacement clutches. Order the size and options recommended for your vehicle. Additional details: * Can accommodate up to 500 hp * Dual-faced organic and ceramic disc for smooth engagement with exceptional holding capacity * Kits include a pressure plate, disc, throwout bearing (unless specified otherwise), and alignment tool
( 5 )
$328.99
Banks Ram-Air differential cover are unlike any others. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air differential cover extends lubrication life and retains fuel economy! Features: * A380 aircraft aluminum diecast for exceptional strength and precise fit * 12-point chrome plated flanged mounting bolts * 24 external radiator fins offer 534 sq. in. of surface area to ensure optimal heat rejection * Ram-Air system directs cool high-velocity air through radiator fins, eliminating the dead zone * Designed with breakaway scoops * Magnetic fill plug with 20 degree angle for easy fill--simplifies oil changes * Sight-glass with contrast screen and Viton® O-ring seal * Recessed magnetic drain plug simplifies oil changes
( 35 )
$395.00
Timken pinion bearings offer durability and peace of mind. Known the world over, Timken bearings are precision-engineered to provide you with superior quality, along with energy-efficient and cost-effective friction management. For a proper fit that will run smoothly, these single-row tapered roller bearings are your best bet when replacing old and worn pinion bearings. Timken bearings are available for dozens of axle types; choose the models that match your vehicle specs.
( 56 )
$15.99
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$35.99
Richmond Gear Pro Gear ring and pinion sets take it a step further. The gear sets are designed for race use only where hard launches and severe heat cycling occurs. They're made from a softer, more malleable 9310 steel alloy to be more resistant to breakage under harsh racing conditions. These gears feature an outstanding rotating weight loss of up to 6 pounds, ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.
( 44 )
$587.99
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$748.99
Manufacturer Rebate
A 4x4 and traction go hand-in-hand; however, standard (open) differentials allow each wheel to turn independently to eliminate binding in turns. Off-road, this becomes a problem as engine power takes the path of least resistance—to the wheel with little or no traction. Limited slip differentials offer some improvement, but too often the slipping is not "limited" enough to maintain forward progress. Automatic locking differentials also have disadvantages; noisy when disengaging, they can also upset on-highway driving characteristics. Created to provide traction on demand, without sacrificing highway driving performance, ARB Air Locker differentials employ a 12 V ARB air compressor (sold separately) to pneumatically operate a solid and durable locking mechanism inside the differential. When activated, the Air Locker prevents the differential gears from rotating and the axle shafts from turning independently of each other. With both wheels tied directly to the rotation of the ring gear, the vehicle maintains maximum possible traction at all times. When unlocked, it operates just like a conventional open differential. ARB Air Lockers are available in over 100 configurations for a wide range of vehicles and can be installed in both front and rear axles. Installation should be performed by a qualified differential technician, although no special tools or skills are required, apart from those necessary for fitting a standard differential. ARB also offers three compressor models suitable for Air Locker operation, two of which can be used to inflate tires and operate other equipment. Additional features of ARB Air Lockers include: * Vastly improved traction means less reliance on momentum, reducing the likelihood of vehicle damage * Easy, convenient operation without leaving the comfort and safety of the driver's seat * Ultra durable and extremely strong; only the highest quality materials used in construction * Patented gear technology and 2-piece design ensures optimal locking strength * Forged gears provide superior strength and durability * Incredibly simple, yet effective, design employs minimal moving parts for maximum reliability * Thoroughly tested and proven * Most sold as kits with differential, activation switch, solenoid valve, air line, and bulkhead fittings * Front and rear Air Lockers available for most makes and models * For 4WD and 2WD applications * Easy maintenance; no special additives required * Also offered in ARB Traction Packs that include two Air Lockers, a compressor, and accessories for tire inflation
( 11 )
$1,299.95
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$1,499.95
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 )
$684.99
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$904.99
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 )
$324.99
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$1,039.99
Motive Gear master ring and pinion installation kits include everything that's in their regular differential kit—plus pinion shims, carrier shims, and ring gear bolts (where applicable). You also have the option of upgrading to higher quality bearings by adding "T" to the end of the part number on some models. Make a better choice for your ring and pinion installation with Motive Gear differential master bearing kits. Order the model designed for your vehicle application.
( 337 )
$170.99
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$395.99
Richmond Gear is the leading manufacturer of professional-quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Richmond also offers these gear sets in a lightened version for the weight-conscious enthusiast. Their lightened ring and pinion sets feature an outstanding rotating weight loss of up to 6 lbs., ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.
( 308 )
$524.99
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$725.99
Make sure that the job is done right with Timken differential carrier bearings. You can trust Timken to supply you with bearings manufactured with technology-driven processes to the most stringent of thresholds and manufacturing tolerances. Look to Timken's differential bearings to provide you with the confidence that you need when completing your ring and pinion installations.
( 47 )
$17.99
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$42.99
Motive Gear differential bearing kits contain everything you need to install your ring and pinion. Available for front or rear axles, the kits are offered for nearly three dozen differential case design applications. Includes: * Front and rear pinion bearing * Pinion seal * Carrier bearings * Pilot bearing (depending on application) * Gear marking compound * Crush sleeve * Pinion nut * Brush * Thread locking compound * Cover gasket or RTV
( 25 )
$55.99
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$244.99
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 )
$596.99
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$2,253.99
BD Diesel differential covers are cast to cool. Specially engineered, the powdercoated aluminum covers are designed with internal and external cooling fins, plus an extra-capacity bottom sump. This strategy allows gears to pick up and deflect oil back onto the ring gear and into the pinion gear for cooler, longer life. BD Diesel differential covers are gasket-less, and each includes a reusable Viton® O-ring, stainless steel Allen head cap bolts, fill plug, and magnetic drain plug for a complete, easy, and "cool" installation.
( 8 )
$335.95
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$605.95
Richmond Gear complete ring and pinion installation kits include Grade 8 ring gear bolts, bearings, seals, shims, marking compound, thread-locking compound, and silicone sealer. To ensure proper fitment, order the kit designed for your make/model application.
( 212 )
$311.99
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$446.99
You never compromise performance when choosing Spicer direct-fit axle shaft assemblies. Quality materials, precision manufacturing, and controlled testing deliver strong, safe axles that meet high standards—even by OE criteria. So, when you need to refit an axle shaft assembly, choose the direct fit of Spicer Drivetrain Products—assemblies engineered to work together.
( 7 )
$145.99
Yukon Gear & Axle Trac Loc positraction internals will help you get your truck back on the road and working the way it is supposed to. After years and miles of use and abuse, your posi differential is going to need to a rebuild in order to operate efficiently. Yukon offers these inclusive kits for the maintenance overhaul. To ensure a top-notch gear set that will last longer than stock, Yukon utilizes better materials and manufacturing techniques than original specifications. Your truck is too big of an investment to neglect or to service with poor-quality parts. Order Trac Loc positraction internals from the experts at Yukon Gear & Axle.
( 6 )
$768.99
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$878.99
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.
( 145 )
$457.99
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$775.99
USA Standard Gear ring and pinion sets are high-quality and precision-machined replacements. They're offered for a wide variety of common and hard-to-find applications, differential case designs, and ratios. The right choice adds confidence to your install; select the USA Standard ring and pinion set recommended for your vehicle.
( 49 )
$328.99
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$776.99
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.
( 136 )
$538.00
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$1,719.99
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 )
$843.99
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$1,134.99
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