aFe Street Series Rear Differential Cover (REAR): Dodge Ram 2500 / Ram 3500 2003 - 2005 w/ Machined Fins

aFe Street Series Rear Differential Cover

2003–2005 Dodge Ram 2500 / Ram 3500

46-70090

Overview:

The aFe Street Series Rear Differential Cover is engineered to provide superior protection and enhanced cooling for your Dodge Ram 2500 and Ram 3500 models from 2003 to 2005. Designed for off-road enthusiasts and heavy-duty users alike, this differential cover safeguards your vehicle’s rear axle from rocks, dirt, and other road hazards that can compromise drivetrain integrity. By increasing fluid capacity and improving heat dissipation, it ensures your differential operates at optimal temperatures, especially during towing or extended driving in hot conditions.

Whether you’re tackling rugged trails or seeking reliable drivetrain cooling, the aFe Street Series differential cover offers a durable, high-performance solution that combines protection with functionality.

Key Features:

Built to deliver lasting performance and protection, this differential cover includes the following features:

• Constructed from durable, die-cast A380 aluminum for strength and corrosion resistance
• Machined external fins enhance heat transfer to keep differential fluid cooler
• Large neodymium magnetic drain plug captures loose metal particles to protect gears
• 1/8" NPT calibration plug preset to factory fluid level for easy and accurate filling
• Fully machined groove with supplied O-ring ensures a leak-free seal
• Designed to fit AAM 10.5-14 bolt axles, matching factory specifications
• Black powder-coated finish available for added durability and rugged appearance
• Increased fluid capacity improves cooling efficiency during heavy-duty use

Construction & Design:

The aFe Street Series differential cover is precision-crafted from high-quality die-cast A380 aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. The cover’s integrated machined fins maximize surface area to dissipate heat effectively, preventing overheating of the differential fluid under demanding conditions.

Attention to detail is evident in the fully machined sealing groove that accepts a supplied O-ring, providing a reliable, leak-free barrier against contaminants. The inclusion of a neodymium magnetic drain plug further enhances protection by attracting and holding metal debris that could otherwise damage internal components.

Installation & Fitment:

Installation is straightforward and designed to be hassle-free. The cover fits directly onto the factory AAM 10.5-14 bolt pattern of 2003–2005 Dodge Ram 2500 and Ram 3500 models without any modifications. All necessary hardware is included, allowing for a quick upgrade that enhances your vehicle’s rear differential protection and cooling capabilities.

What's Included:

• aFe Street Series Rear Differential Cover
• Neodymium magnetic drain plug
• 1/8" NPT calibration plug
• O-ring for leak-free sealing
• Installation hardware

Ideal For:

This differential cover is ideal for Dodge Ram 2500 and Ram 3500 owners who frequently tow heavy loads, drive in hot climates, or engage in off-road activities where axle protection and cooling are critical. It is perfect for enthusiasts seeking a durable upgrade that combines enhanced performance with rugged reliability.