ARB Airlocker Dana30 27Spl 3.73&Up S/N. - ARB RD100
ARB Airlocker Dana30 27Spl 3.73&Up S/N. - ARB RD100
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ARB Airlocker Dana30 27Spl 3.73&Up S/N.

ARB
ARBRD100
837290004230
Differentials
61 Units In Stock
$ 1,299.95
$ 1,299.95

This ARB drivetrain component is the Airlocker Dana30 27Spl 3.73&Up S/N. for 1966-1971 Ford Bronco. Confirm the exact axle or differential model, spline count, gear ratio, carrier break, bearing and seal requirements, air-system compatibility, and all application notes before ordering.

Key Features

  • Fitment Info 3:Axle: Dana 30 7.2 in.
  • Fitment Info 4:Axle: Dana 30 7.2 in.
  • Fitment Info 5:Axle: Dana 30 7.2 in.

Fitment

Years Make Model Application
1966-1971 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1971 Ford Bronco Wagon
1971-1983 Jeep CJ5 Base
1977-1980 Jeep CJ5 Golden Eagle
1980-1983 Jeep CJ5 Laredo
1982-1983 Jeep CJ5 Limited
1975-1983 Jeep CJ5 Renegade
1971-1975 Jeep CJ6 Base
1976-1986 Jeep CJ7 Base
1977-1979 Jeep CJ7 Golden Eagle
1980 Jeep CJ7 Golden Hawk
1980-1983 Jeep CJ7 Laredo
1985-1986 Jeep CJ7 Laredo
1982-1983 Jeep CJ7 Limited
1976-1986 Jeep CJ7 Renegade
1983-1993 Jeep Cherokee Base
1991-1992 Jeep Cherokee Briarwood
1985-1988 Jeep Cherokee Chief
1996 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Classic
1993-1997 Jeep Cherokee Country
1985-1992 Jeep Cherokee Laredo
1987-1992 Jeep Cherokee Limited
1998-2001 Jeep Cherokee Limited
1983 Jeep Cherokee Pioneer
1985-1990 Jeep Cherokee Pioneer
1994-2001 Jeep Cherokee SE
1989-2001 Jeep Cherokee Sport
1983 Jeep Cherokee Wide Track Chief
1983 Jeep Cherokee Wide Track Laredo
1987-1992 Jeep Comanche Base
1987-1988 Jeep Comanche Chief
1986 Jeep Comanche Custom
1988-1992 Jeep Comanche Eliminator
1987-1988 Jeep Comanche Laredo
1987-1992 Jeep Comanche Pioneer
1986 Jeep Comanche X
1986 Jeep Comanche XLS
1998 Jeep Grand Cherokee 5.9 Limited
1993 Jeep Grand Cherokee Base
1993-2004 Jeep Grand Cherokee Laredo
1993-2004 Jeep Grand Cherokee Limited
1995 Jeep Grand Cherokee Orvis
1997 Jeep Grand Cherokee Orvis
79 additional validated applications are available through the vehicle-fitment filter.

Specifications

Brand ARB
Manufacturer Part Number RD100
Product Type Differentials
Condition New
Configuration Airlocker Dana30 27Spl 3.73&Up S/N.
Color Silver
Fitment Info 1 Axle: Dana 30
Position Front
Shaft 1.16 in
Spline 27
Ratio 3.73 Up
Fitment Info 2 Axle: M186
Fitment Info 3 Axle: Dana 30 7.2 in
Fitment Info 4 Axle: Dana 30 7.2 in
Fitment Info 5 Axle: Dana 30 7.2 in
Material Steel

What's Included

One new ARB differential in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.

About ARB

ARB develops vehicle-specific four-wheel-drive equipment, including protection, suspension, Air Lockers, compressed-air systems, racks, recovery equipment, lighting, and touring accessories. Every application, load rating, interface, and included component remains exact-part specific.

Important Disclosures

  • California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.

Related Parts

Frequently Asked Questions

How do I confirm this fits 1966-1971 Ford Bronco?
Match the axle or differential model, spline count, gear ratio, carrier break, bearing and seal requirements, and every application note.

Does an ARB Air Locker include the compressor and air system?
Only components expressly listed for this exact part are included. Compressors, manifolds, switches, air line, bearings, seals, and installation kits may be separate.

Is professional differential setup required?
Differential installation requires correct backlash, bearing preload, gear contact, torque, sealing, and air-line routing. Qualified drivetrain installation is recommended.

Installation Instructions

  1. Confirm ARB part number RD100, the complete application, and every required supporting component before beginning work.
  2. Use the correct service procedure to inspect the axle and differential, then set bearings, backlash, contact pattern, fasteners, seals, and air-line routing to specification.
  3. Fill with the specified lubricant, test air-system operation when applicable, inspect for leaks and abnormal noise, and recheck after the initial driving cycle.
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