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  Store > ARB Air Lockers >

Dana 44 ARB Air Locker | 33 Spline (3.92 & Up)
ARB Air Locker
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not be an accurate depiction of this product.
  
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Sold Individually.
Select your options and then click the "update price" button below:
List Price: $1,148.85
Your Price: $999.00



Status: In Stock
Product Code: ARB-RD113

ARB Locker Package Deals:

Add ARB Compact Compressor [+$180.00]  Save $27!

 Add ARB Heavy Duty Compressor [+$230.00]  Save $45!

 Add ARB Diff Cover [+$165.00]  Save $40!

 Add Lube Locker Gasket [+$18.00]  Save $5!

 Add ARB Pressure Test Gauge [+$80.00]  Save $10!

Optional Services

Add Cryogenic Treatment Service [+$300.00]
- Increases strength and durability of lockers by 20-50%.
- Improves case and core hardness transition and microstructure.
- Relieves internal stresses and reduces microfractures.

Services are performed by Crown Race Gears.
Service times vary by season (2 to 6 weeks).

Qty:  
Description Compatibility Part Numbers
 

ARB Model: Application: Axle Shafts: Gear Ratios:
RD113 Dana 44 33 Spline 3.92 +

This ARB Air Locker fits Dana 44 axles with upgraded 33 spline axle shafts and includes new carrier bearings.


How Does The ARB Air Locker Compare To Other Lockers?

[ Jump To ARB Section of Video | Crawlpedia Differential Locker Comparison ]



(To skip ahead to the ARB Locker section of the video, go to minute 11:20 or click here.)


ARB Air Lockers use a pneumatically controlled locking mechanism to switch between an open carrier and a fully locked differential. Once installed, all it takes is the simple flip of a switch to go from an open differential that works well on the street to a spool that provides 100% traction to both wheels off-road.

Installation:
ARB lockers require no special tools or skills to install, apart from those necessary for fitting a standard differential. An ARB air compressor is the only additional thing you will need as each ARB locker comes complete with switches, solenoids, fittings, nylon air line, and even shims and bearings (if applicable).

Durability:
ARB Air Lockers are sold in over 80 countries and there are over 150,000 units currently in use worldwide in both military and civilian applications. The secret to their success and reliability is that each ARB locker is designed and tested beyond the breaking point of standard and aftermarket axles such that your axles will break before causing any damage to the air locker. 		ARB Air Locker Animation
The ARB Air Locker uses an air controlled locking mechanism to engage and disengage the unit.

Design:
Each locker is machined from a solid piece of nodular iron and encases 4 pinion gears (twice as many as most OEM differentials) with unique geometry that make them up to 30% stronger than OEM gears. The side gears that transfer force to the axle shafts are made from the highest grade nickel alloy steel and are finished with an aerospace grade surface treatment. ARB's proprietary timed locking system prevents gear grinding during engagement and extends the life of the unit.


Compressors:
ARB Air Lockers require a pressurized air source to engage and disengage their locking mechanism and Filthy Motorsports has you covered with five ARB compressor options ranging from the small and compact ARB CKSA12 all the way up to the powerful and portable high capacity twin compressor ARB CKMPT12 kit.



Compact
ARB CKSA12

High Capacity
ARB CKMA12

Twin Compressor
ARB CKMTA12

Portable Kit
ARB CKMP12

Portable Twin Kit
ARB CKMTP12

ARB images are © Copyright ARB Corporation Ltd., used with permission.
Additional images and product descriptions are © Copyright Filthy Motorsports, LLC.
Features
  • Air powered via external compressor
  • One piece nodular iron carrier case
  • Proprietary timed locking mechanism for smooth locking
  • Highest grade nickel alloy steel gears (30% stronger than OEM)
  • Billet machined spider gear block
  • Steel reinforced internal seals rated for over 20k cycles


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