ARB Competition Differential Covers - SuperTruck Essentials

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ARB Competition Differential Covers

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SuperTruck Essentials Part No: 12011.90X

ARB 4x4 Accessories, Australian based four-wheel parts manufacturer, wants you to protect your ARB Air Locker with the new ARB differential cover! ARB Air Locking Differentials are engineered to take your adventures to competitive heights but getting there can be harsh so, ARB has developed the ultimate differential cover to protect your axle assemblies. more...

2 Year Limited Warranty.

Installation Notes

Install Time: 1-2 Hours
Installation Instructions: Download PDF

*Will Not Fit 07-09 Jeep® Wrangler & Wrangler Unlimited
- Rubicon Editions with Tru-Lok® Electronic Locking Differentials
- X (S Pkg.) with Tru-Lok® Electronic Locking Rear Differential

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Additional Images

Items Available:

Item No	Description	Price
12011.901	For Dana 35 Axle Assemblies	$161.99
12011.902	For Dana 44 Axle Assemblies*	$161.99
12011.903	For Dana 60 Axle Assemblies	$161.99

Parts Included

Diff Cover
Dipstick
Drain Plug
Installation Hardware

Product Details

Fabricated from high tensile solid nodular iron that is tougher and harder than solid carbon steel, the new ARB differential cover is the ideal piece of equipment to protect your air locker and ring and pinion set up from the obstacle impacts of competition rock crawling and challenging off-road trails.

An incorporated, computer-optimized cross brace design adds over 900 foot-pounds of torsional rigidity to the entire axle assembly. The resulting increased flex strength in the housing encourages improved meshing of the ring and pinion gears and greater carrier bearing support for longer component life and overall load strength.

The low profile shape of the housing maximizes the running gear clearance around the unit and provides optimal approach and departure angles.

A unique combination dipstick and filler cap design allows for the differential oil levels to be adjusted for customized high driveline angles and allows the user to check the oil for possible water contaminations without having to drain the unit. Made from high quality rare earth magnets, both the dipstick and the drain plug are designed to collect any metal wear particles floating in the fluid.

Powder coated in red, CNC machined and then clear coated for durable finish, the ARB differential cover is the perfect way to protect your differential assembly.

Features

High tensile solid nodular iron structure (tougher and harder than solid carbon steel) protects the differential and ring & pinion set from the obstacle impact hazards of completion rock crawling, or extreme off road trails.

Computer optimized cross brace design adds more than 1300 Nm/deg [960 ft-lb] of torsional rigidity to the entire axle assembly. This increased flexural strength in the housing helps keep the ring & pinion gears meshing on the flat faces of the teeth, which greatly increases ring & pinion life and overall maximum load strength.

Carrier bearing life is prolonged, especially on high output vehicles, by the improved support given to the bearing alignment.

Low-profile shape of the outside surface helps maximize the running gear clearance around the cover.

Maximized approach / departure angled exterior surfaces help to minimize rock / obstacle hang-ups.

High tensile cap screws (supplied with the kit) are recessed into the cover to protect them from contact with obstacles which might damage or loosen them.

Low profile drain plug design resists damage from obstacle contact.

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