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🧾 Overview
The ARB Air Locker for the Dana M200 rear axle is a premium traction upgrade designed specifically for Jeep Wrangler JL Sport models, delivering 100% locking capability on demand while maintaining smooth street drivability.
Using a pneumatically actuated locking system, this differential allows you to instantly switch from an open differential to a fully locked axle at the flip of a switch. When engaged, both rear wheels turn together, maximizing traction in rocks, mud, sand, and other challenging terrain. When disengaged, it drives like stock for normal road use.
Built with ARB’s proven two-piece design and high-strength materials, this locker is engineered for durability and reliability under extreme off-road conditions—making it one of the most trusted upgrades for JL Sport owners looking to dramatically improve capability.
✔ Selectable air locker for on-demand traction
✔ Provides 100% lock when engaged
✔ Maintains factory drivability when disengaged
✔ Designed specifically for JL Sport Dana M200 rear axle
✔ Ideal for serious off-road use and trail control
🛠 Installation
- Requires full differential disassembly and gear setup.
- Air system plumbing and compressor installation required.
- Professional installation strongly recommended.
📌 Specs
📌 Key Features & Benefits
- Selectable Locking Differential – Instantly switches between open and fully locked operation.
- Maximum Traction – Locks both axle shafts together for equal power delivery to both wheels.
- Air-Operated System – Pneumatic activation allows engagement at any time, even under load.
- Heavy-Duty Construction – Two-piece design with minimal moving parts for long-term durability.
- Street-Friendly – Drives like stock when disengaged with no added wear.
📘 Specifications
- Brand: ARB
- Product Type: Locking Differential
- Axle Type: Dana M200 (Rear)
- Spline Count: 29 Spline
- Gear Ratio Compatibility: All (application dependent)
- Actuation Type: Air (Pneumatic)
- Compressor Required: Yes (Sold Separately)
- Material: High-Strength Steel
- Installation Type: Internal Differential Setup
- Sold As: Single
📦 What’s Included (What’s in the Box)
- Differential Components
- (1) ARB Air Locker Differential
- Air Line & Fittings
- Activation Switch
- Solenoid Valve
- Installation Hardware
🛡 Warranty
- ARB Limited Warranty (Typically 5-Year)
⚠️ Fitment Notes
- Jeep Wrangler JL Sport (2018–Present)
- Jeep Wrangler Unlimited JL Sport (2018–Present)
⚠️ Fitment Notes
- ❗ Designed for Dana M200 rear axle (JL Sport models)
- ❗ 29 spline axle shafts required
- ❗ Compatible with all gear ratios (application specific)
- ❗ Requires ARB on-board air compressor (sold separately)
- ❗ Not compatible with Rubicon models (different axles)
- ❗ Professional installation required (gear setup + air system)