Fits 2007-2018 Jeep Wrangler Rubicon and Wrangler JK Rubicon (including Unlimited models).

The ARB Air Locker RD157 provides 100% traction on demand, allowing you to navigate the most technical off-road terrain without compromising your vehicle's streetability. This pneumatically operated system replaces the internal differential gears to provide a true locked connection between your axle shafts. When activated via the dash-mounted switch, it prevents the wheels from turning independently, maintaining maximum forward momentum. When disengaged, it operates as a conventional open differential for smooth handling and reduced tire wear on pavement.

• Durable Construction: Features a high-strength two-piece design with forged gears for maximum reliability under high torque loads.
• Advanced Sealing: Steel-reinforced, elastomer-bonded annular seal is engineered to withstand extreme climatic temperatures.
• Timed Locking: Patented timed locking mechanism offers high strength and ultra-fast engagement and disengagement.
• 35-Spline Upgrade: Specifically designed for 35-spline axle applications in Jeep JK Rubicon housings.
• Complete Kit: Includes the Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting.

Note: This unit requires an onboard air compressor for operation (sold separately). Manufacturer Part Number: RD157.

Fits select 1968-2008 Toyota Land Cruiser and 1996-1997 Lexus LX450 Base models.

The ARB RD153 Air Locker is a pneumatically operated locking differential that provides 100% traction on demand. This system allows you to tackle technical terrain with a slower, more controlled approach, significantly reducing the risk of vehicle damage. When activated by the dash-mounted switch, the internal mechanism prevents the differential gears from rotating independently, ensuring both wheels receive equal power regardless of ground contact. When disengaged, it functions as a standard open differential for smooth on-road handling.

The RD153 is engineered for maximum reliability with a high-strength two-piece design and a patented timed locking mechanism for ultra-fast engagement. It features a steel-reinforced, elastomer-bonded annular seal designed to maintain integrity in extreme climatic conditions. This specific model is designed for Toyota 8.9-inch (S/N) differentials utilizing C-clip axles and 50mm bearings.

• Manufacturer Part Number: RD153
• Configuration: C-clip axle design with 50mm bearing
• Application: Toyota 8.9-inch S/N differentials
• Includes: Air Locker differential, dash activation switch, 12V solenoid valve, air line, and bulkhead fitting
• Construction: Durable two-piece design with minimal moving parts
• Requirement: Requires an onboard air compressor for operation (sold separately)

Fits 1998-2021 Toyota Land Cruiser and Tundra, and 1998-2007 Lexus LX470.

The ARB Air Locker RD152 provides 100% traction on demand, allowing you to bridge the gap between street drivability and off-road capability. This pneumatically operated locking differential replaces your vehicle's factory open differential, enabling you to lock both axle shafts together with the flip of a switch. By ensuring both wheels receive equal power regardless of ground resistance, the Air Locker maintains forward momentum in technical terrain without the tire scrubbing and driveline wear associated with permanent lockers.

Built for extreme durability, this 32-spline unit features a two-piece design with a patented timed locking mechanism for high strength and rapid engagement. The internal elastomer-bonded annular seal is engineered to withstand extreme temperature fluctuations, ensuring reliable pneumatic operation in the harshest environments. Whether you are navigating rock crawls or mud-slicked trails, the RD152 provides the control needed to drive in a slower, safer manner while protecting your drivetrain.

• Fits Toyota 9.5-inch ring gear applications with 32-spline axles
• Provides instantaneous 100% locking traction without affecting on-road handling
• Heavy-duty two-piece construction for maximum structural integrity
• Timed locking mechanism ensures ultra-fast engagement and unlocking
• Patented annular seal handles extreme climatic temperatures
• Minimal moving parts for long-term reliability in off-road conditions
• Kit includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting
• Manufacturer Part Number: RD152
• Note: Requires an ARB Air Compressor for operation (sold separately)

Fits select 1997-2018 Jeep Wrangler and Wrangler JK models equipped with Dana 44 rear axles and 35-spline axle shafts.

The ARB Air Locker (RD147) is the definitive selectable traction solution for off-road enthusiasts. This pneumatically operated locking differential allows you to switch from an open carrier to a 100% fully locked status with the flick of a dash-mounted switch. When locked, the RD147 prevents the internal differential gears from rotating, forcing both wheels to turn in unison with the ring gear for maximum traction. When disengaged, the unit behaves like a conventional open differential, preserving on-road drivability and reducing tire wear.

Built for extreme durability, this two-piece design features a patented timed locking mechanism for ultra-fast engagement and high strength. It is specifically engineered for Dana 44 housings using 3.73 and numerically lower gear ratios (e.g., 3.55, 3.21) and requires 35-spline aftermarket axle shafts.

• Manufacturer Part Number: RD147
• Axle Compatibility: Dana 44 (35-spline upgrade required)
• Gear Ratio: 3.73 and Down (Numerically lower)
• Forged steel gears for maximum torque resistance
• Steel-reinforced, elastomer-bonded annular seal for extreme temperature reliability
• Kit Includes: Air Locker differential, solenoid valve, activation switch, bulkhead fitting, and air line
• Requires onboard air compressor for operation (sold separately)

Fits select 2007-2021 Toyota Tundra and 2020-2021 Toyota Land Cruiser models with the 10.5-inch rear differential.

The ARB Air Locker RD146 is the industry-leading solution for selectable traction, allowing drivers to switch from a conventional open differential to a fully locked 100% traction aid with the flick of a switch. This pneumatically operated system uses an internal locking mechanism to prevent axle shafts from turning independently, ensuring both wheels maintain equal rotation for maximum grip in sand, mud, or rocky terrain. Unlike automatic lockers, the Air Locker has no impact on on-road drivability or tire wear when disengaged.

Engineered for extreme durability, this two-piece differential features a steel-reinforced, elastomer-bonded annular seal designed to withstand severe temperature fluctuations. The patented timed locking mechanism provides high-strength engagement and ultra-fast unlocking for precision control on the trail.

• Manufacturer Part Number: RD146
• Axle Spline Count: 36
• Ring Gear Diameter: 10.5 inches
• Operation: Pneumatic (requires air compressor, sold separately)
• Construction: Ultra-durable two-piece design with minimal moving parts
• Kit Includes: Air Locker differential carrier, activation switch, solenoid valve, air line, and bulkhead fitting

Fits 1968-2019 Toyota Land Cruiser and 1996-1997 Lexus LX450.

The ARB RD142 Air Locker provides 100% traction on demand, allowing you to lock your differential with the flip of a switch. This pneumatically operated system replaces the internal differential gears to prevent the axle shafts from turning independently, ensuring both wheels maintain maximum rotation regardless of ground contact. When disengaged, it functions as a standard open differential, preserving factory on-road drivability and reducing driveline wear.

Engineered for the toughest off-road conditions, the RD142 features a high-strength two-piece design with minimal moving parts for maximum reliability. The patented timed locking mechanism ensures rapid engagement and ultra-fast unlocking. This unit is built with a steel-reinforced, elastomer-bonded annular seal designed to withstand extreme temperature fluctuations.

• Manufacturer Part Number: RD142
• Axle Spline Count: 30
• Ring Gear Bolts: 12-Bolt
• Ring Gear Diameter: 8.9-inch (225mm)
• Bearing Journal: 50mm
• Mechanism: Pneumatic (Air)
• Kit Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting.

Note: An onboard air compressor (sold separately) is required for operation.

Fits select 1980-2019 Ford E-150, E-250, E-350, Excursion, F-250, and F-350 models equipped with 10.25-inch or 10.5-inch 35-spline differentials.

The ARB Air Locker RD140 is the industry standard for on-demand traction. This pneumatically operated locking differential allows you to transition from a conventional open differential to a fully locked state with the flip of a dash-mounted switch. By preventing the internal gears from rotating independently, the Air Locker ensures that both axle shafts turn at the same speed, delivering 100% of available torque to both wheels for maximum traction in mud, rocks, or snow.

• High-Strength Construction: Features a two-piece design that is ultra-durable with minimal moving parts to ensure maximum trail reliability.
• Timed Locking Mechanism: Patented design provides high-strength engagement and ultra-fast unlocking for immediate response on the trail.
• Extreme Environment Ready: Includes a steel-reinforced, elastomer-bonded annular seal designed to handle extreme climatic temperatures and harsh off-road conditions.
• On-Road Drivability: When unlocked, the unit functions as an open differential, preserving factory handling and preventing unnecessary driveline wear.

Kit Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting. Note: An onboard air compressor is required for operation (sold separately).

• Manufacturer Part Number: RD140
• Axle Spline Count: 35
• Differential Type: Air Locking
• Ring Gear Compatibility: 10.25-inch and 10.5-inch

Fits select 2001-2019 Chevrolet Silverado/GMC Sierra 2500/3500 and Dodge/Ram 2500/3500 heavy-duty trucks with the AAM 11.5-inch rear differential.

The ARB RD139 Air Locker is a pneumatically operated locking differential that provides 100% traction on demand. By replacing the internal differential carrier, it allows the driver to toggle between a conventional open differential for on-road drivability and a fully locked axle for maximum off-road performance. When activated via a dash-mounted switch, the internal gears are locked, forcing both axle shafts to rotate at the same speed regardless of ground resistance. This eliminates wheel spin on uneven terrain, mud, or rock, allowing for a slower and more controlled driving style that reduces vehicle stress and driveline wear.

• Carrier Design: Ultra-durable two-piece design with a patented timed locking mechanism for high strength and fast engagement.
• Annular Seal: Steel-reinforced, elastomer-bonded seal engineered to withstand extreme temperature ranges.
• Included Components: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting.
• Spline Count: 30 Spline
• Differential Diameter: AAM 11.5 inch
• Manufacturer Part Number: RD139

Note: An on-board air compressor is required for operation (sold separately).

Fits select 1979-2023 Toyota Pickup, Tacoma, 4Runner, FJ Cruiser, Land Cruiser, and Lexus GX460 and LX450 models.

The ARB Air Locker RD132 is a driver-selectable, pneumatic locking differential that provides 100% traction on demand. This system replaces the internal differential gears, allowing you to maintain the handling of a conventional open differential on the street while providing the ability to lock the axle shafts together for maximum grip in off-road or low-traction environments. Its super-strong design allows for activation at any speed, providing instant traction to tackle the toughest terrain without leaving the driver's seat.

• Timed Locking Mechanism: Patented design offers high strength and ultra-fast unlocking.
• Two-Piece Construction: Ultra-durable design with minimal moving parts ensures maximum reliability in extreme conditions.
• Extreme Temperature Seal: Steel-reinforced, elastomer-bonded annular seal is engineered to handle the most severe climatic temperatures.
• Complete Kit: Includes Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting.

Technical Specifications:

• Manufacturer Part Number: RD132
• Differential Type: Toyota 8-Inch
• Ring Gear Bolt Count: 10-Bolt
• Axle Spline Count: 30-Spline
• Carrier Bearing ID: 50mm
• Operation: Pneumatic (Requires ARB Air Compressor, sold separately)

Fits select 1995-2015 Toyota Tacoma and 2000-2007 Toyota Tundra models. This ARB Air Locker RD129 provides 100% traction on demand, allowing you to lock your differential with the flick of a switch to conquer technical off-road terrain without compromising on-road drivability.

Built with a high-strength two-piece design, this differential uses a pneumatically operated locking system. When engaged, it prevents the internal gears from rotating, ensuring both axle shafts turn at the same speed as the ring gear. The patented "timed" locking mechanism ensures ultra-fast engagement and disengagement at any speed, while the steel-reinforced elastomer bonded annular seal is engineered to withstand extreme temperatures and harsh environments.

• Manufacturer Part Number: RD129
• Carrier Type: Toyota 8-Inch (12-Bolt)
• Axle Spline Count: 30
• Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting
• Operation: Pneumatic (Requires air compressor, sold separately)
• Construction: Durable two-piece design with minimal moving parts for maximum reliability

Fits select 2003-2023 Toyota 4Runner, Tacoma, FJ Cruiser, Land Cruiser, and Tundra.

The ARB Air Locker RD121 is the industry standard for on-demand traction, providing a 100% locked differential with the flick of a switch. Designed for the Toyota 8-inch independent front suspension (IFS), this pneumatically operated locker replaces your factory open differential to eliminate wheel spin by tying both wheels directly to the rotation of the ring gear. This allows for controlled, low-speed technical crawling while maintaining the smooth on-road drivability of a conventional open carrier when disengaged.

Built for the most demanding off-road environments, the RD121 features a robust two-piece design with a patented timed locking mechanism for high strength and ultra-fast disengagement. The internal steel-reinforced, elastomer-bonded annular seal is engineered to withstand extreme temperatures and repeated cycles without failure. This model is designed for 30-spline axle shafts and gear ratios of 3.73 and down (numerically lower), utilizing 53mm ID carrier bearings.

• Provides 100% traction on demand without affecting highway handling or driveline wear
• Two-piece ultra-durable design for maximum structural integrity
• Patented timed locking mechanism offers superior strength and fast unlocking
• Steel-reinforced elastomer bonded annular seal for reliable pneumatic performance
• Requires an ARB Air Compressor for operation (sold separately)

• Manufacturer Part Number: RD121
• Spline Count: 30
• Gear Ratio: 3.73 & Down
• Carrier Bearing ID: 53mm
• Differential Type: Toyota 8" IFS
• Kit Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting

Fits select 1966-1988 Ford Bronco, Bronco II, E-100/150/200/250, and F-100/150 models equipped with 31-spline Ford 9-inch differentials.

The ARB Air Locker RD119 provides 100% traction on demand, allowing you to conquer the most challenging terrain without sacrificing on-road drivability. This pneumatically operated system replaces your factory differential carrier, functioning as a conventional open differential until activated. Once the dash-mounted switch is flipped, the internal gears are locked, forcing both axle shafts to rotate at the same speed and delivering maximum torque to both wheels.

Engineered for extreme off-road durability, the RD119 features a two-piece design with minimal moving parts for maximum reliability. The patented timed locking mechanism ensures ultra-fast engagement and disengagement, while the steel-reinforced elastomer bonded annular seal is designed to withstand extreme temperature ranges.

• Part Type: Locking Differential (Pneumatic)
• Axle Fitment: Ford 9-Inch
• Spline Count: 31
• Manufacturer Part Number: RD119
• Construction: High-strength two-piece design
• Kit Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting
• Required: On-board air compressor (sold separately)

Fits select 1960-2004 Chevrolet, Dodge, Ford, and GMC vehicles with Dana 44 front or rear axles and 3.73 or numerically lower gear ratios (5.9L).

The ARB Air Locker RD117 provides 100% traction on demand, allowing you to lock your Dana 44 differential at the flip of a switch. Unlike automatic lockers or limited-slip differentials that can affect on-road handling and tire wear, the Air Locker operates as a conventional open differential when disengaged. Once activated via a dash-mounted switch, the pneumatic system locks the internal gears, forcing both axle shafts to rotate in unison with the ring gear to conquer the most technical terrain.

Engineered for extreme off-road durability, this unit features a high-strength two-piece design and a patented timed locking mechanism for ultra-fast engagement and disengagement. The steel-reinforced, elastomer-bonded annular seal is built to withstand extreme temperatures and harsh environmental conditions, ensuring reliable performance when you need it most.

• Manufacturer Part Number: RD117
• Axle Compatibility: Dana 44, 30-Spline
• Gear Ratio: 3.73 and numerically lower (3.73 & Down)
• Kit Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting
• Construction: Ultra-durable two-piece steel design with minimal moving parts
• Requirement: On-board air compressor required for operation (sold separately)

Fits select 1960-2004 Chevrolet, Dodge, Ford, and GMC trucks and SUVs with Dana 44 30-spline differentials (5.9L).

The ARB RD116 Air Locker is a high-performance pneumatic traction aid that provides 100% locking capability on demand. Designed for Dana 44 axles with 30-spline shafts and gear ratios of 3.92 or higher, this locker allows you to maintain maximum traction across the toughest terrain. When deactivated, it functions as a conventional open differential, preserving factory on-road drivability and reducing driveline wear.

• Ultra-durable two-piece design for maximum strength and minimal moving parts
• Patented timed locking mechanism provides high strength and rapid disengagement
• Steel-reinforced, elastomer-bonded annular seal designed for extreme temperature ranges
• Pneumatically operated system provides instant lock at any speed
• Kit includes: RD116 Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting
• Requires an ARB Air Compressor for operation (sold separately)

Specifications:
Axle: Dana 44
Spline Count: 30
Gear Ratio: 3.92 and Up
Manufacturer Part Number: RD116

Fits select 1970-2005 Chevrolet and GMC C20, C30, K20, K30, 2500, and 3500 series trucks and vans with the GM 14-bolt 10.5-inch full-floating rear axle.

The ARB RD114 Air Locker provides 100% traction on demand, allowing you to tackle difficult off-road terrain without compromising on-road drivability. This pneumatically operated locking differential replaces the internal spider gears; when activated via the dash-mounted switch, it locks both axle shafts together to provide equal power to both wheels regardless of surface conditions. When disengaged, it functions as a conventional open differential for smooth cornering and reduced driveline wear.

Engineered for extreme reliability, the RD114 features a high-strength two-piece design with minimal moving parts. The patented timed locking mechanism ensures ultra-fast engagement and disengagement, while the steel-reinforced, elastomer-bonded annular seal is designed to withstand extreme temperature fluctuations.

• Manufacturer Part Number: RD114
• Axle Compatibility: GM 14-Bolt 10.5" Ring Gear
• Axle Type: Full-Floating (FF)
• Spline Count: 30
• Design: Two-piece high-strength construction
• Seal: Steel-reinforced elastomer bonded annular seal
• Kit Contents: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting
• Note: Requires an onboard air compressor for operation (sold separately)

Fits select 2003-2024 Toyota 4Runner, Tacoma, FJ Cruiser, Land Cruiser, and Tundra models with the Toyota 8-inch IFS front differential.

The ARB RD111 Air Locker provides 100% traction on demand while maintaining the drivability of a conventional open differential on the street. This pneumatically operated locking differential allows you to tackle technical terrain by ensuring both wheels receive equal power, preventing axle shafts from turning independently. The patented "timed" locking mechanism offers high-strength engagement and ultra-fast unlocking for immediate response on the trail.

Constructed with a two-piece design, this locker is engineered for maximum reliability with minimal moving parts. It features a steel-reinforced, elastomer-bonded annular seal designed to withstand extreme temperature fluctuations. The RD111 is designed for Toyota 8-inch IFS applications with a 53mm bearing and 30-spline axle shafts, specifically for gear ratios of 3.91 and numerically higher.

• Manufacturer Part Number: RD111
• Spline Count: 30
• Bearing Journal: 53mm
• Compatible Gear Ratios: 3.91 & Up
• Differential Type: Toyota 8" IFS
• Operation: Pneumatic (Air compressor required, sold separately)
• Kit Includes: Air Locker differential, activation switch, solenoid valve, air line, and bulkhead fitting

Fits select 1968-1971 Ford Bronco and 1971-2025 Jeep Cherokee, CJ5/CJ6/CJ7, Comanche, Grand Cherokee, Liberty, Scrambler, Wagoneer, and Wrangler.

The ARB Air Locker RD100 is a world-class traction aid designed for Dana 30 housings with 27-spline axles and gear ratios of 3.73 or numerically higher. Unlike automatic lockers or limited-slip differentials that can be unpredictable on-road, the Air Locker provides a 100% mechanical lock on demand. With the flick of a dash-mounted switch, the pneumatically operated system prevents internal differential gears from rotating, ensuring both wheels receive equal torque regardless of ground contact or surface conditions.

• Precision Engineering: Features a patented 'timed' locking mechanism for high strength and ultra-fast disengagement when returning to open-differential mode.
• Durable Construction: Built with a two-piece design that minimizes moving parts for maximum reliability in extreme off-road environments.
• Extreme Seal Performance: Includes a steel-reinforced, elastomer-bonded annular seal designed to maintain pressure across extreme temperature ranges.
• Complete Installation Kit: Includes the Air Locker differential, pneumatic solenoid valve, activation switch, air line, and bulkhead fitting.
• Required Equipment: An on-board air compressor is required for operation (sold separately).
• Manufacturer Part Number: RD100