aFe Power Street Series Front Differential Cover

2013–2023 Ram 2500/3500 5.7L Hemi, 6.4L 392 & 6.7L Diesel

Part #: 46-70400

Overview

The aFe Power Street Series Front Differential Cover is engineered to enhance the durability and performance of your Ram truck’s front axle differential. Designed specifically for 2013–2023 Ram 2500 and 3500 models equipped with 5.7L Hemi, 6.4L 392, and 6.7L Diesel engines, this cover offers superior protection while improving thermal management. Ideal for enthusiasts and professionals seeking to extend the life of their differential under demanding driving conditions, it combines rugged construction with functional design to deliver lasting reliability.

With increased oil capacity and advanced cooling features, this differential cover helps maintain optimal operating temperatures, reducing wear and improving overall drivetrain efficiency. Its raw machined finish with distinctive fins also adds a custom, aggressive look to your vehicle’s front end.

Key Features

Engineered for strength, cooling, and ease of maintenance, the aFe Power Street Series Front Differential Cover includes:

• Durable cast aluminum construction with reinforced ribs for maximum strength and impact resistance
• Increased oil capacity compared to stock covers, allowing for better lubrication and extended performance
• Built-in internal and external machined fins that efficiently dissipate heat from the differential oil to the surrounding air
• Magnetic drain plug designed to capture metal particles and contaminants, protecting internal gears and bearings
• Calibration plug preset to factory oil level to prevent overfilling and ensure proper fluid volume
• Raw machined finish with distinctive fins for a unique, performance-inspired appearance
• Includes all necessary hardware for straightforward installation
• Compatible with optional accessories such as the oil level sight glass (Part #46-00001) and deep reach magnetic fill plug (Part #46-00002) for enhanced monitoring and maintenance

Construction & Design

This front differential cover is crafted from high-quality cast aluminum, chosen for its excellent strength-to-weight ratio and corrosion resistance. Reinforced ribs are integrated into the design to provide additional structural integrity, ensuring the cover withstands harsh off-road conditions and heavy-duty use. The raw machined finish not only offers a rugged aesthetic but also contributes to effective heat dissipation.

The innovative fin design, both inside and out, maximizes surface area to transfer heat away from the differential oil, helping to maintain cooler operating temperatures and reduce the risk of overheating during extended drives or heavy towing.

Installation & Fitment

Installation of the aFe Power Street Series Front Differential Cover is straightforward and requires no modifications to your vehicle. The cover comes complete with all necessary mounting hardware, allowing for a direct bolt-on replacement of the factory differential cover. This ensures a secure fit and reliable sealing to prevent leaks.

Designed specifically for the following Ram models and engines, compatibility is guaranteed:

• 2013–2023 Ram 2500 6.7L Diesel
• 2013–2023 Ram 3500 6.7L Diesel
• 2014–2023 Ram 2500 6.4L 392
• 2014–2023 Ram 3500 6.4L 392
• 2013–2018 Ram 2500 5.7L Hemi
• 2013–2018 Ram 3500 5.7L Hemi

What's Included

• Cast aluminum front differential cover with machined fins
• Magnetic drain plug
• Calibration plug preset to factory oil level
• Complete installation hardware kit

Ideal For

This differential cover is perfect for Ram truck owners who demand enhanced durability and cooling performance from their drivetrain components. Whether you regularly tow heavy loads, navigate off-road terrain, or simply want to upgrade your vehicle’s reliability and appearance, the aFe Power Street Series Front Differential Cover offers a robust solution that combines protection, performance, and style.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.