ARB Air Locker Differential

2018–2023 Jeep Wrangler, 2020–2023 Jeep Gladiator

Part #: RD246

Overview

The ARB Air Locker Differential is a premium pneumatic locking differential designed specifically for Jeep Wrangler models from 2018 to 2023 and Jeep Gladiator models from 2020 to 2023 equipped with M210 front and M220 rear axles featuring 35-spline shafts. This advanced traction solution allows drivers to instantly lock the differential at the flick of a switch, ensuring both axle shafts turn together for maximum traction in challenging off-road conditions.

Ideal for serious off-road enthusiasts and trail riders, the ARB Air Locker enhances vehicle capability by providing superior control and confidence on difficult terrain such as rocks, mud, sand, and snow. When disengaged, it operates as a conventional open differential, preserving smooth on-road drivability and reducing drivetrain wear, making it a versatile upgrade for daily drivers and weekend adventurers alike.

Key Features

The ARB Air Locker combines innovative pneumatic technology with rugged engineering to deliver reliable, on-demand traction. Key features include:

• Instant pneumatic locking system activated via a simple dashboard-mounted switch
• Compatible with M210 front and M220 rear axles featuring 35-spline shafts
• Steel reinforced, elastomer bonded annular seal designed to withstand extreme temperatures
• Two-piece ultra-durable design with minimal moving parts for enhanced reliability
• Patented timed locking mechanism for high strength and rapid unlocking
• Provides 100% traction on demand without compromising normal on-road handling
• Enables safer, slower, and more controlled off-road driving to reduce vehicle damage
• Complete installation kit includes activation switch, solenoid valve, air line, and bulkhead fitting
• Requires external air compressor for operation (sold separately)

Construction & Design

Engineered for durability and precision, the ARB Air Locker features a robust two-piece design that minimizes moving components, reducing potential failure points and ensuring long-term reliability under harsh conditions. The steel reinforced, elastomer bonded annular seal protects internal components from dust, moisture, and extreme temperatures, maintaining airtight operation in all environments.

The pneumatic locking system allows activation at any vehicle speed, giving drivers the flexibility to engage the locker exactly when needed without hesitation. This design ensures dependable performance whether crawling over rocks or powering through mud.

Installation & Fitment

This Air Locker is specifically engineered to fit Jeep Wrangler models from 2018 through 2023 and Jeep Gladiator models from 2020 through 2023 equipped with M210 front and M220 rear axles with 35-spline shafts. Installation requires professional mechanical skills and the use of an external air compressor system, which is not included and must be purchased separately.

The kit provides all necessary hardware and components for seamless integration with the vehicle’s existing drivetrain, including the activation switch, solenoid valve, air line tubing, and bulkhead fitting for secure air routing.

What's Included

• ARB Air Locker differential unit
• Dashboard-mounted activation switch
• Solenoid valve for pneumatic control
• Air line tubing
• Bulkhead fitting for secure air line routing

Ideal For

The ARB Air Locker is perfect for Jeep Wrangler and Gladiator owners who demand superior off-road traction and control. Whether navigating rocky trails, deep mud, sandy dunes, or snowy paths, this differential locker provides the confidence and capability needed to tackle the toughest terrain safely and efficiently. It is especially suited for off-road enthusiasts, overlanders, and anyone seeking to enhance their vehicle’s performance without sacrificing everyday drivability.

Fitment Summary

• Jeep Wrangler (2018–2023) including Sport, Sport S, Rubicon, Sahara, Willys, and special editions
• Jeep Wrangler Unlimited (2018–2023) including Rubicon, Sahara, Sport, Willys, and special editions
• Jeep Gladiator (2020–2023) including Rubicon, Mojave, Overland, Sport, Willys, and special editions

ARB is a globally recognized off-road and overlanding brand that builds hard-use equipment for trucks, SUVs, and adventure rigs. From bumpers, roof racks, and protection gear to its well-known Old Man Emu suspension systems, ARB focuses on durability, fitment, and real-world trail performance for drivers who push beyond pavement.