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  Store > OX Lockers >

OX Locker for Dana 44 | 30 Spline (3.92 & Up)
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Price: $1,099.00



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Availability: Usually Ships in 3 to 5 Days

Part Number: OX-D44-392-30

Select Ox Locker Shifter






Add CO2 Regulator for Air Shifter | OXA-C2 [+$99.00]

 Add Solenoid Switch for Air Shifter | OXA-1002 [+$62.00]

Free exchange on shifter cables within 30 days.
Terms apply. Contact us for details.

Drive Away Lock

Add Drive Away Lock [+$25.00]

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Returns: A 15% restocking fee applies to any authorized returns. Actual shipping cost not refunded.

Sales Tax: OX lockers are only taxable when shipping to CO, FL, and WA. If sales tax is not calculated correctly by our website, we will adjust it upon order review.

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Description
 

Part Number: Application: Axle Shafts: Gear Ratios:

D44-392-30
Dana 44
30 Spline
3.92 +

This OX Locker fits Dana 44 axles with 30 spline axle shafts and 3.92 and higher gears.

Compatible with front and rear axles.

Does NOT fit Jeep JK / JT / JL axles.

Double drilled for 7/16" and 3/8" ring gear bolts.
This differential will only work with 3.92 and numerically higher gears. Do not use thick gears.
For more information, please see Thick Gears and Carrier Breaks.


1969 - 1980 Chevy Blazer / K5 Front
1960 - 1968 Chevy C10 / K10 / K1500 Front / Rear
1973 - 1980 Chevy K20 / K2500 Front
1968 - 1980 Chevy K30 / K3500 Front
1960 - 1980 Chevy / GMC Suburban Front
1960 - 1980 GMC K15 / K1500 Front / Rear
1966 - 1980 GMC K25 / K2500 Front
1960 - 1972 GMC C15 / C1500 / G15 / G1500 Rear
1994 - 2002 Dodge Ram 1500 / 2500 Front
1957 - 1993 Dodge W100 / W150 / W200 / W250 Front
1971 - 1996 Ford Bronco Front (TTB)
1968 - 1979 Ford E-100 / E-150 Van Rear
1948 - 1979 Ford F-100 Rear
1966 - 1996 Ford F-150 Front (TTB)
1959 - 1990 Ford F-250 Front (TTB)
1968 - 1980 International Scout / Scout II Rear
1966 - 1986 Jeep CJ5 / CJ6 / CJ7 / CJ8 Rear
1986 - 1992 Jeep Comanche Front / Rear
1966 - 1973 Jeep Commando Rear
1984 - 1993 Jeep Wagoneer / Grand Wagoneer Front / Rear
1967 - 1988 Jeep J10 Front
1997 - 2006 Jeep Wrangler TJ / Rubicon
 Front / Rear
1986 - 1993 Jeep Cherokee XJ Rear


Application chart is for reference only, vehicle configurations may vary.
Customer is responsible for confirming fitment before ordering.
Contact us directly with any questions.


OX Lockers are selectable differential lockers that feature a unique cable shifting mechanism for durable, reliable, safe, and easy locker engagement and disengagement. Each unit comes with a proprietary heavy duty differential cover that not only protects your differential, but also holds the shift cable (or air solenoid) and the OX locker's shift fork. With many different lengths of cable available and three different shifter options OEM and custom installations are made easy. Each locker is manufactured in the USA from forged 8620 heat treated steel (the same material used to make ring and pinion gears) and encases 4 spider gears for maximum strength and durability. The locking ring and locking gear used in the OX Locker feature back-cut teeth for superior locking force and accidental locker disengagement prevention. If you're looking for a heavy duty, long lasting, selectable locker that is easy to install, then the OX Locker is the right choice for you.


Video: How Does The OX Locker Compare To Other Lockers?

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



(OX Locker information starts at 17:50 or click here.)


Choose the Right Cable Length
To select the proper OX shifter cable length measure the path of the cable to the shifter or actuator mounting location while making sure to avoid sharp edges and high heat areas and maintaining large radius turns to ensure smooth shifting. When in doubt, go one cable size longer. The table below also provides common cable lengths for vehicles.

Vehicle Application Manual Shifter Electric Shifter
Small truck / SUV with 0" to 4" Lift 78" Front / 70" Rear 48" Front / 36" Rear
Small truck / SUV with 4" to 8" Lift 84" Front / 78" Rear 58" Front / 48" Rear
Mid-size truck / SUV with 0" to 4" Lift 84" Front / 87" Rear 48" Front / 36" Rear
Mid-size truck / SUV with 4" to 8" Lift 90" Front / 90" Rear 58" Front / 48" Rear
Full-size truck / SUV with 0" to 4" Lift 90" Front / 90" Rear 48" Front / 36" Rear
Full-size truck / SUV with 4" to 8" Lift 96" Front / 96" Rear 58" Front / 48" Rear


Heavy Duty Differential Cover Included
While many electric and air operated lockers require a hole to be drilled through the axle housing for running a wire or air line, the OX Locker comes with a heavy duty differential cover that houses the locking mechanism and comes pre-drilled and threaded for the shifting cable. Not only does this make the locker easier to install, it means that you get a free diff cover upgrade with every purchase.

Mechanical, Air, or Electric Shifting
Unlike any other selectable locker on the market today, the OX locker allows you to engage or disengage your locker manually or by the flip of a switch. Standard equipment for the OX Locker is a manual shifter that allows for easy installation and simple, fool-proof operation. An electric conversion kit is available to replace the manual shifter with an electric actuator for shifting via a dash mounted switch while the air shifter does away with the shift cable altogether and uses and auxiliary air supply to do the shifting for the ultimate low profile installation.

Emergency Drive-Away Lock
Another unique feature of the OX Locker is the ability to mechanically engage the locker by installing an OX Drive-Away Lock (sold separately and highly recommended by Filthy Motorsports) that replaces the shifting cable and permanently engages the locking mechanism. The lock is easy to install and is perfect for trail repairs in the event that the shifting cable breaks or for situations where a locked differential is needed for extended periods of time.
Features
  • 100% mechanical cable-and-shifter design
  • Heavy duty steel diff cover included
  • Locker is made of 8620 steel (same material as ring and pinion gears)
  • No cast parts, everything is made from forged and heat treated steel
  • 4 spider gear design for maximum strength
  • Back-cut gear tooth locking ring and locking gear
  • Optional air and electric actuation systems
  • Made in the USA


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