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Axles - Buyer's Guide

When you are driving off-road or in a performance setting, it is important to know that you're going to be able to put the power down when you need to. 4 Wheel Parts offers a large selection of upgraded and replacement axles for your vehicle, giving you the confidence you're looking for to tackle those trails.

  • G2 Axle Upgrade Kits

    G2 Rear Axle Kits are made from high-tensile alloy steels. These axles are forged and heat-treated for maximum strength. Big spline options allow you to take advantage of even more added strength, gained from the larger diameter of the shafts. The larger diameter enables the shafts to withstand much higher torsional loads than the stock diameter. With either option, you can be assured that the weakest point of your driveline will not be your axle shafts.

  • TEN Factory Axle Upgrade Kits

    TEN Factory's Axle Kits feature high manganese 1541h or 4140 chromoly material, depending on application. TEN Factory designs its axle shafts to maximize strength and durability, and back them with an exclusive, 10-year replacement warranty. TEN Factory engineers each axle and kit for your specific vehicle.

  • Superior Axle Upgrade Kits

    The Superior Gear Discovery Series Axles are the only shafts to be dual heat treated and incorporate Torque Equalizing Diameter Profiles. The latter allows the short side axle to have the same give as the long side, making for a more reliable axle assembly. Combine this with Superior's rolled spline technology and a 10-year warranty, and you will have the confidence to handle any trail.

  • Alloy USA Chromoly Axle Kits

    High tensile strength 4340 chromoly is heat-treated twice to produce these heavy-duty axles that are up to 40% stronger. They're covered by an exclusive 10-year warranty. The shafts come completely assembled with inner and outer shafts, U joints, and full-circle clips. The sets include both passenger and driver sides.

  • G2 Replacement Axle Shafts

    G2 offers its line of chromoly axles individually for easy repair or as an upgrade. They're also great for picking and choosing the appropriate length for your custom application.

  • TEN Factory Replacement Axles

    TEN Factory Replacement Axles are designed as direct replacements for OE axle shafts without modifications. OE axles are typically made from a low-cost material and designed for average use. TEN Factory Replacement Axles are made from high-manganese 1541H material, allowing a deeper and harder heat treatment. These replacement axles are backed by a 10-year replacement warranty.

  • Superior Axle and Gear Replacement Axles

    The new Evolution Series Super Alloy front axle shafts are the original shafts to feature dual heat treatment for the ultimate in strength and ductility. Superior Chrome-Moly results in: high ultimate and yield tensile strength, superior modulus of elasticity, and shear modulus far exceeding competitors' axles. These axles accept full-circle clips. Exclusive Torque Equalizing Diameter Profiles allow the short side axle to have similar ductility as the long side, creating a more reliable axle assembly. Features include rolled splines and a corrosion-resistant, DuraCoat finish. Up to 35% stronger than competitor's cut splines!

  • Alloy USA Replacement Axles

    Don’t just replace your axle shafts, upgrade them. For less than the cost of an original replacement axle shaft, you can upgrade to an Alloy USA performance shaft. Our axles are made from 1541H or 4140 steel, depending on the application. Each axle is heat-treated and induction-hardened to have twice the tensile strength of stock. They're up to 35% stronger!

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