PPE Rear Differential Cover

2007–2018 Jeep Wrangler Dana 44 12-Bolt

238053120

Overview:

The PPE Rear Differential Cover is a robust upgrade designed specifically for the Jeep Wrangler models equipped with the Dana 44 12-bolt rear axle from 2007 to 2018. Crafted to replace the factory stamped steel cover, this heavy-duty nodular iron differential cover enhances durability and protection for your vehicle’s rear differential. Ideal for off-road enthusiasts and daily drivers alike, it offers superior strength to withstand harsh terrain and demanding driving conditions.

By upgrading to this PPE cover, Jeep owners gain confidence in their vehicle’s ability to handle rugged trails and challenging environments without compromising the integrity of the differential housing. Its thoughtful design also improves approach and departure angles, helping you navigate obstacles with greater ease.

Key Features:

This rear differential cover incorporates advanced engineering and practical features to deliver exceptional performance and reliability:

• Constructed from thick, cast nodular iron for maximum strength and durability
• Transverse gussets provide additional rigidity to the differential housing, reducing flex under high torsion loads
• Recessed hardware design protects bolts from damage during off-road use
• High and low fluid check ports accommodate pinion angle changes common with lifted vehicles
• Convenient top-fill port simplifies oil servicing and maintenance
• Each service plug contains a high-temperature-rated neodymium magnet to capture ferrous metal particles, helping preserve differential fluid quality
• Optimized shape enhances vehicle approach and departure angles for improved off-road capability
• Direct bolt-on replacement for the factory stamped steel cover, requiring no modifications

Construction & Design:

The PPE Rear Differential Cover is expertly cast from nodular iron, a material known for its superior tensile strength and impact resistance compared to standard cast iron or stamped steel. This heavy-duty construction ensures the cover can endure the rigors of off-road driving and protect the internal components of the differential from rocks, debris, and other hazards.

Its design includes transverse gussets that reinforce the housing, minimizing flex and maintaining structural integrity under extreme torque loads. The cover’s flange features recessed hardware, which not only protects the bolts from potential damage but also contributes to a cleaner, more streamlined appearance. Additionally, the inclusion of fluid check ports and a top-fill port reflects a thoughtful approach to maintenance and usability.

Installation & Fitment:

Installation of the PPE Rear Differential Cover is straightforward and designed to be a direct bolt-on replacement for the factory cover on 2007–2018 Jeep Wrangler Dana 44 12-bolt rear axles. No special modifications or additional parts are required, making it an accessible upgrade for both professional mechanics and experienced DIY enthusiasts. The cover’s design ensures a precise fit, maintaining proper sealing and fluid retention.

What's Included:

• PPE Rear Differential Cover (Nodular Iron)
• Recessed mounting hardware
• High and low fluid check plugs with neodymium magnets
• Top-fill port plug with neodymium magnet
• Installation instructions

Ideal For:

This heavy-duty rear differential cover is perfect for Jeep Wrangler owners who demand enhanced protection and durability from their vehicle’s drivetrain components. It is especially suited for off-road enthusiasts who frequently tackle rocky trails, mud, and other challenging terrain. Additionally, those who have lifted their Jeep will benefit from the fluid check ports designed to accommodate pinion angle changes, ensuring reliable maintenance and performance.

Pacific Performance Engineering (PPE) develops heavy-duty and performance upgrades for trucks and diesel platforms, including differential covers, transmission pans, oiling and cooling components, and other durability-minded parts. PPE products are built to handle heat, load, and power—ideal for tow rigs and performance builds that need stronger hardware and better fluid control.