ATS Diesel Stage 3 Transmission Package

2003–2004 Dodge Ram 2500 / Ram 3500 2WD 48RE Transmission

3099322272

Overview:

The ATS Diesel Stage 3 Transmission Package is engineered specifically for 2003 to 2004 Dodge Ram 2500 and Ram 3500 trucks equipped with the 48RE 2WD transmission. Designed to handle increased power and torque demands, this package is ideal for diesel truck enthusiasts seeking enhanced transmission durability and performance. Whether you are upgrading for towing, hauling, or off-road applications, the Stage 3 package provides a robust solution to improve transmission reliability under heavy-duty conditions.

This comprehensive transmission upgrade is tailored to fit Dodge Ram 2500 Laramie, SLT, and ST models, as well as Ram 3500 Laramie, SLT, and ST trims from the same years. ATS Diesel’s expertise in diesel drivetrain components ensures that this package delivers superior strength and longevity compared to stock transmission setups.

Key Features:

The ATS Diesel Stage 3 Transmission Package incorporates advanced components and engineering enhancements designed to optimize transmission performance and durability. Key features include:

• Heavy-duty internal transmission components built to withstand increased torque loads
• Precision-machined parts for improved gear engagement and smoother shifting
• Upgraded clutches and bands to reduce slippage and heat buildup
• Enhanced valve body calibration for optimized hydraulic control
• Reinforced transmission case components for added structural integrity
• Designed specifically for 48RE 2WD transmissions in Dodge Ram 2500 and 3500 trucks
• Compatible with factory driveline and electronics for seamless integration
• Tested for reliability under heavy towing and high-performance conditions

Construction & Design:

ATS Diesel utilizes premium-grade materials and precision manufacturing processes in the construction of the Stage 3 Transmission Package. Each component is engineered to meet or exceed OEM specifications while providing enhanced strength and wear resistance. The package features hardened steel gears and reinforced clutch packs designed to endure the rigors of increased horsepower and torque.

Attention to detail in machining and assembly ensures consistent performance and longevity. The design focuses on maintaining factory-like drivability while significantly improving the transmission’s ability to handle demanding applications without premature failure.

Installation & Fitment:

This transmission package is a direct fit upgrade for 2003–2004 Dodge Ram 2500 and Ram 3500 trucks equipped with the 48RE 2WD transmission. Installation requires professional mechanical expertise and standard transmission service procedures. No major modifications to the vehicle’s drivetrain or electronics are necessary, allowing for a straightforward swap or rebuild using this Stage 3 package.

Proper installation ensures optimal performance and durability, making it essential to follow ATS Diesel’s recommended guidelines and torque specifications during assembly.

What's Included:

• Complete Stage 3 transmission rebuild kit with heavy-duty internal components
• Upgraded clutches and bands
• Precision-machined gears and shafts
• Valve body enhancements
• Installation hardware and seals
• Detailed installation instructions

Ideal For:

The ATS Diesel Stage 3 Transmission Package is ideal for Dodge Ram 2500 and 3500 owners who demand increased transmission strength and reliability. It is especially suited for:

• Diesel truck enthusiasts upgrading for higher horsepower and torque
• Owners who frequently tow heavy trailers or haul substantial payloads
• Off-road and performance drivers seeking improved transmission durability
• Fleet operators requiring dependable transmission performance under rigorous use

ATS Diesel Performance builds diesel upgrade solutions engineered for higher torque, towing confidence, and competition-level durability. Best known for performance-built transmissions, ATS also offers turbochargers, exhaust and fuel system components, and other supporting parts designed to handle heavy loads and elevated power on modern diesel trucks.