ATS Diesel Stage 4 Transmission Package

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

3099422272

Overview:

The ATS Diesel Stage 4 Transmission Package is a comprehensive upgrade solution designed specifically for 2003 to 2004 Dodge Ram 2500 and Ram 3500 2WD models equipped with the 48RE transmission. Engineered to enhance durability and performance, this package is ideal for diesel truck owners who demand reliable power delivery and improved transmission longevity under heavy-duty conditions.

Whether you use your Ram for towing, hauling, or daily driving, the Stage 4 package addresses common transmission weaknesses and optimizes shifting characteristics to handle increased torque and horsepower. This upgrade is perfect for enthusiasts and professionals seeking a robust transmission setup that can withstand rigorous use without sacrificing drivability.

Key Features:

This Stage 4 Transmission Package incorporates advanced components and engineering improvements to ensure superior performance and reliability. Key features include:

• Heavy-duty internal components designed to handle increased torque loads
• Upgraded clutches and bands for improved holding capacity and shift quality
• Reinforced planetary gear sets for enhanced durability
• Precision-machined parts to reduce wear and extend transmission life
• Optimized valve body modifications for smoother and more consistent shifts
• Enhanced cooling provisions to maintain optimal operating temperatures
• Complete rebuild kit tailored specifically for the 48RE transmission
• Tested and validated by ATS Diesel for maximum reliability under demanding conditions

Construction & Design:

The ATS Diesel Stage 4 Transmission Package is built using premium materials and precision engineering to ensure long-lasting performance. Each component is manufactured to exacting standards, utilizing hardened steels and advanced coatings to resist wear and heat degradation. The design focuses on reinforcing known weak points within the 48RE transmission, providing a robust foundation capable of handling the increased stresses from diesel engine torque.

Attention to detail in machining and assembly ensures that all parts fit perfectly, reducing the risk of premature failure and improving overall transmission efficiency. This package represents a significant upgrade over stock components, delivering a balance of strength and smooth operation.

Installation & Fitment:

This transmission package is a direct fit for 2003 and 2004 Dodge Ram 2500 and Ram 3500 2WD trucks equipped with the 48RE transmission. Installation requires a professional transmission rebuild process, including disassembly of the existing transmission, replacement of internal components with the Stage 4 kit parts, and proper reassembly and adjustment.

While no major modifications to the vehicle are necessary, it is recommended that installation be performed by a qualified technician familiar with Dodge diesel transmissions to ensure optimal results and reliability.

What's Included:

• Complete set of upgraded clutches and bands
• Reinforced planetary gear sets
• Valve body components with performance enhancements
• Seals, gaskets, and necessary hardware for rebuild
• Detailed instructions and technical support from ATS Diesel

Ideal For:

This transmission package is ideal for Dodge Ram 2500 and 3500 owners who operate their trucks in demanding environments such as towing heavy trailers, hauling substantial payloads, or engaging in off-road and performance applications. It is well suited for diesel enthusiasts looking to upgrade their transmission for increased durability and improved shift quality without compromising drivability.

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.