Drivetrain, Differentials, Hubs & more
4 Wheel Parts stocks a massive inventory full of high quality, high performance drivetrain and differential parts, ranging from simple factory replacements, to custom upgrades, to hard-to-find widgets, and more.
Products in this category
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Ring and Pinion Gears
Choose from a huge stock of ring and pinion gear sets from the industry’s best brands to regain the performance loss that occurs when lifting a vehicle and installing larger tires.
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Gear Packages
4 Wheel Parts and Genuine Gear offer gear packages featuring Lifetime Warranty ring and pinion sets and master bearing installation kits to save you time and money.
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Lockers and Differentials
Whether you need locking hub conversion kits or part time conversion kits for a transfer case, we offer kits designed for improved fuel economy and better overall drivability.
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Hub Conversions
Upgrading front axle units to locking hubs using hub conversion and replaceable wheel bearings will not only strengthen and solidify your axles, but also improves fuel economy.
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Axle Shafts
Looking to replace worn or broken axles shafts, or simply upgrade existing ones?
We offer stock replacement shafts, or go premium with high quality chrome alloy axles.
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Locking Hubs
Whether you need locking hub conversion kits or part time conversion kits for a transfer case, we offer kits designed for improved fuel economy and better overall drivability.
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High Pinion Differential
High Pinion 3rd Member raises the pinion 3.5 inches higher than a standard member to decrease driveshaft angle, allowing fitment of 35" tires and addition of up to 450 total hp.
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Differential Covers
To protect the intricate moving parts of your differential, an aluminum differential cover is the perfect answer, adding an extra layer of protection to your vehicle’s underside.
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Differential Guards
Protect the components of your vehicle’s differential on rugged off-road trails with differential guards, built from steel and designed for a bolt-on install on most applications.
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Dana 44 Front Axle
Built with Alloy USA axle shafts, your choice of lockers and gear ratios, and the best bearings and seals, Dana 44 Front Axle assemblies are custom-loaded and ready to bolt on.
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Dana 44 Rear Axle
Built with Alloy USA axle shafts, your choice of lockers and gear ratios, and the best bearings and seals, Dana 44 Rear Axle assemblies are custom-loaded and ready to bolt on.
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Gear Oil
Synthetic Gear Oil from Royal Purple is a noncorrosive EP gear oil that is proven to minimize gear wear in race cars, motorcycles and
other vehicles to keep your drivetrain running smooth.
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