Air Locking Differentials, Compressors & Covers

1 Product Groups

    ARB Differential Air Locker Shim Driver Sets

    ARB 4x4 Accessories Air Locker; Shim Driver Set

    From $66.00

    Nothing beats the feeling of taking your Jeep off-road. Whether you're making aggressive climbs, slogging through deep mud patches or navigating craggy trails, you need to know that you can rely on your Jeep to stay under control as you tackle the obstacles in front of you. Loss of traction at the wrong time is the difference between an exciting day out and a costly repair bill following an accident, so invest in improving your Jeep today so you don't have to invest in fixing it tomorrow. With ARB 4x4 Accessories & Differentials you get a brand you trust for the vital components that keep your Jeep running how you need it.

    What's That Sound
    One of the best indicators of troubles with your differential is unusual sounds from your Jeep. Both clicking when firing up the engine and a whirring noise in the rear when operating can be signs that your differential is shot, or about to be, and that it's time to start looking to replace it with a new and improved system. The whirring will become more severe, even reaching howling levels, if you continue to leave it unchecked. Don't wait until your failing differential causes you to lose traction at a vital time before your replace it.

    Don't Overspend With Our Guaranteed Price Match
    Nobody likes spending time shopping around from site to site or store to store. Not when that's time you could otherwise spend pushing your Jeep to its limits. At 4 Wheel Parts we know that you rely on us to provide you with the best parts available at a price you can afford. That's why we offer a 90-Day Price Match guarantee. If you find a better price any time in the next 90 Days we'll match it, so quit wasting time wondering if you'll find a sale or better deal in a few weeks when you can have your new differential in the mail today.

    Off-roading junkies like you need full control when you're behind the wheel. You have canyons to explore and new territory to discover. There's no time to worry about whether your 4x4 can make the climb while you're in the middle of an adventure, so make sure that your traction is where you need it to be ahead of time with our selection of ARB air locker parts.

    ARB Air Locking Differentials
    For added traction, you can do no better than an ARB differential. The ARB Air Locker™ is designed with aerospace-grade high alloy wheels, the strongest and most functional differentials on the market. As a bonus, engineers at ARB include Timed Gear Technology to guarantee the gear teeth interlock correctly and maintain the right amount of force. Rotation force loads more consistently and uniformly due to the added number of pinion gears to the design of the ARB differentials. Check out our selection of high quality performance differentials, one of the largest collections out there, and get your entire ARB Air Locker™ install kit from us, too.

    ARB Differential Covers
    Intended to keep your ARB Air Locker™ safe and improve its lifespan, differential covers are produced with a highly durable and malleable iron. The engineers at ARB improved upon the standard design so much, in fact, that their design does not only serve its intended purpose, but even enhances the durability of smaller axle assemblies. At 4 Wheel Parts, all our ARB differential covers come with a drain plug and magnetic dipstick.

    ARB Air Compressors
    Highly versatile for any of your camping, fishing or hunting needs, or to activate your ARB Air Locker™ or inflate your tires, our selection of mountable and portable air compressors from ARB have you covered. Each of our portable air compressors come with all parts needed to assemble, and all in a convenient carrying case. Each carrying case comes with separate compartments, to make everything easily accessible. All our 12-volt portable air compressors inflate tires up to 37 inches. Check out our selection to find the one that best suits your needs.

    1 Products

    ARB Differential Shim Driver Set - 0770004


    • Fitment: Universal Fit
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    When it comes to traction, a locked differential provides a significant advantage over an open differential when there is a large difference in the traction beneath each wheel. An ARB air locker allows you to switch from an open differential to a fully locked one by simply flicking a switch. ARB air lockers are the finest on the market and are manufactured using aerospace-grade, high-alloy steels. ARB also manufactures some of the highest-quality air compressors and differential covers available on the market today. carries a variety of ARB lockers, air compressors, and differential covers so you can quickly find what you need and get your rig back out on the road.

    Stay in the Drivers Seat
    ARB air lockers are selectable rather than automatic, giving you control over locking and unlocking the differential. ARB produces air compressor models that are specifically designed to work with the air locker so you can be in charge of when to make the switch. ARBs differential cover is designed to protect your air locker from damage and is especially useful for extreme off-road conditions and competitive rock crawling.

    You can pick up all three of these valuable products together at or just the ones you need. We offer the lowest prices in the industry along with an easy and convenient buying experience.

    More Bang for Your Buck
    At, we provide you with the products you need to gain that competitive edge. Whether you're looking to replace old, worn-out parts or upgrading your rig, we have what you need for less. Browse our enormous inventory to find everything you need all in one place. We offer free shipping on qualifying orders of $75 or more in addition to running regular sales and deals here on our website. 4 Wheel Parts is dedicated to providing excellent customer service along with the highest quality products on the market at lower prices than the competition.

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