ARB Dana 44 Selectable Air Locker - 3.92 & Up, 30 Spline
ARBRD116
The ARB Air Locker for Dana 44 axles with 30-spline shafts allows engagement at any speed and reverts to a standard open differential when disengaged. With the simple flip of a switch, the Air Locker instantly locks both axle shafts together, providing maximum control and traction in extreme off-road conditions.
This results in safer, more controlled driving on-road while offering unmatched performance off-road.
Includes:
- ARB Dana 44 Air Locker differential
- Dash-mounted activation switch
- Solenoid valve
- Air line
- Bulkhead fitting
- Air compressor required for operation (sold separately)
Specifications
- Axle Type: Dana 44
- Spline Count: 30 Spline
- Gear Ratio Compatibility: 3.92 & Up
- Ring Gear Bolt Sizes Supported: 3/8, 7/16, 1/2 (modification may be required)
- Differential Case: One-piece nodular iron
- Operation: Pneumatically actuated selectable locker
- Material: Forged nickel alloy steel & nodular iron
- Prop 65: No
Fitment
- Dana 44 axles with 30-spline shafts
- Chrysler 8.25" applications using Dana 44-style internals
| Make | Model | Year Range |
|---|---|---|
| Chevrolet | K10 | 1980 |
| Chevrolet | K10 Suburban | 1979–1980 |
| Chevrolet | K20 | 1979–1980 |
| Chevrolet | K20 Suburban | 1979–1980 |
| Chevrolet | K5 Blazer | 1978–1980 |
| Dodge | Ram 1500 | 1994–2001 |
| Dodge | Ram 2500 | 1994–1998 |
| Dodge | Ramcharger | 1978–1993 |
| Dodge | W100 | 1984–1989 |
| Dodge | W150 | 1978–1993 |
| Dodge | W200 | 1978–1980 |
| Dodge | W250 | 1984–1993 |
| Ford | Bronco | 1978–1996 |
| Ford | Bronco II | 1984–1990 |
| Ford | E-150 Econoline | 1979 |
| Ford | E-150 Econoline Club Wagon | 1979 |
| Ford | F-150 | 1978–1996 |
| Ford | F-250 | 1978–1990 |
| GMC | Jimmy | 1978–1980 |
| Jeep | Cherokee | 1984–1991 |
| Jeep | Comanche | 1986–1992 |
| Jeep | J10 | 1984–1987 |
| Jeep | TJ | 1997–2006 |
| Jeep | Wagoneer | 1980–1987 |
| Jeep | Wrangler | 1997–2006 |
Important Notes:
- Newer OEM Chrysler 8.25" and Dana 44 ring gears may use 3/8", 7/16", or 1/2" ring gear bolts
- Air Locker flange holes must be drilled or reamed to suit 7/16" or 1/2" bolts when required
Tech Insight
ARB’s Dana 44 Air Locker features a fully machined, one-piece nodular iron diff case that offers the rigidity of a factory carrier with twice the number of pinion gears to handle increased torque loads.
A long cross shaft made from alloy steel with advanced surface treatments provides exceptional durability under extreme load conditions. The steel-reinforced, elastomer-bonded annular seal is proven to withstand 20,000+ engagement cycles in the harshest environments on earth, ensuring long-term reliability in both trail and competition use.
