ARB Diff Cover M220 Rear Axle: Jeep Wrangler (18-23) / Gladiator (20-23)

ARB Differential Cover

2018–2023 Jeep Wrangler / 2020–2023 Jeep Gladiator M220 Rear Axle

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Overview:

The ARB Diff Cover for the M220 rear axle is engineered to provide superior protection for your Jeep Wrangler (2018–2023) and Jeep Gladiator (2020–2023) differentials during off-road adventures. Crafted for enthusiasts who demand durability and reliability, this differential cover shields the vital ring and pinion set from rocks, debris, and other trail hazards that can cause costly damage. Its robust construction ensures your drivetrain remains secure, allowing you to tackle challenging terrain with confidence.

Designed specifically for the M220 axle, this ARB cover enhances the strength of your differential housing while maintaining optimal vehicle approach and departure angles. It is an essential upgrade for off-roaders seeking to extend the life of their carrier bearings and protect their investment in high-performance drivetrain components.

Key Features:

Built to deliver lasting protection and performance, the ARB Diff Cover includes the following key features:

• Manufactured from high tensile nodular iron for exceptional strength and impact resistance
• Recessed tensile cap screws to prevent damage from off-road obstacles
• Low profile drain plug designed to resist impacts and facilitate easy maintenance
• Computer-optimized cross-brace design for enhanced structural rigidity
• Powder-coated finish for corrosion resistance and long-lasting durability
• Integrated magnet location at the end of the dipstick with high-quality neodymium magnets to capture metal particles
• Additional housing strength to prolong carrier bearing life under extreme conditions
• Optimized approach and departure angles to maintain off-road capability

Construction & Design:

The ARB differential cover is precision-engineered from high tensile nodular iron, a material known for its toughness and ability to absorb impacts without cracking. This robust iron structure protects the differential and ring and pinion gears from trail hazards such as rocks and stumps. The cover’s computer-optimized cross-brace design adds rigidity, reducing flex and stress on the axle housing during heavy off-road use.

Attention to detail is evident in the recessed tensile cap screws, which are shielded from direct contact with obstacles, and the low-profile drain plug that minimizes the risk of damage while allowing for convenient fluid changes. The powder-coated finish not only enhances corrosion resistance but also provides a sleek, durable surface that withstands harsh environments.

Installation & Fitment:

Installation of the ARB Diff Cover is straightforward and designed to fit directly onto the M220 rear axle of compatible Jeep Wrangler and Gladiator models without requiring modifications. The cover is engineered to maintain factory bolt patterns and clearances, ensuring a secure fit and preserving vehicle handling characteristics. Routine maintenance is simplified with the accessible drain plug and integrated magnet system.

This differential cover is compatible with the following vehicles:

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

What’s Included

• ARB M220 Rear Axle Differential Cover
• Recessed tensile cap screws
• Low profile drain plug
• High-quality neodymium magnet integrated into dipstick location
• Installation instructions

Ideal For:

This ARB differential cover is ideal for Jeep Wrangler and Gladiator owners who frequently engage in off-road driving and require enhanced protection for their drivetrain components. It is perfect for enthusiasts who want to safeguard their investment against trail damage while maintaining factory fitment and vehicle performance. Whether navigating rocky trails, mud, or rugged terrain, this cover provides peace of mind and durability for serious off-road use.