ATS Diesel Stage 6 Transmission Package

2004–2007 Dodge Ram 2500 / Ram 3500 4WD 48RE Transmission

3099642308

Overview:

The ATS Diesel Stage 6 Transmission Package is a comprehensive upgrade solution designed specifically for Dodge Ram 2500 and Ram 3500 models from 2004 to 2007 equipped with the 48RE 4WD transmission. Engineered to handle increased power and torque demands, this package is ideal for diesel truck enthusiasts seeking enhanced durability and reliability under heavy-duty conditions. Whether you’re towing, hauling, or pushing your truck to its limits, the Stage 6 package delivers robust performance improvements to keep your transmission operating smoothly and efficiently.

Built by ATS Diesel, a leader in high-performance drivetrain components, this transmission package is tailored to meet the rigorous demands of diesel-powered Dodge Rams. It is perfect for owners looking to upgrade their factory transmission to withstand higher horsepower and torque outputs without sacrificing drivability or longevity.

Key Features:

The ATS Diesel Stage 6 Transmission Package incorporates advanced engineering and premium components to maximize transmission strength and reliability. Key features include:

• Heavy-duty internal components designed to handle increased torque loads
• Upgraded clutches and bands for improved holding capacity and reduced slippage
• Enhanced valve body calibration for optimized shift quality and responsiveness
• Precision-machined parts to ensure consistent performance and durability
• Complete rebuild kit including all necessary seals and gaskets for a thorough transmission overhaul
• Compatible with Dodge Ram 2500 and 3500 models from 2004 to 2007 with 48RE 4WD transmissions
• Designed to support diesel engine power levels typical of ATS Diesel performance upgrades

Construction & Design:

The Stage 6 Transmission Package is constructed using high-grade materials engineered for strength and longevity. Each component undergoes rigorous quality control to meet ATS Diesel’s exacting standards. The internal parts are precision-machined to tight tolerances, ensuring smooth operation and reliable engagement under extreme conditions. The upgraded clutches and bands feature enhanced friction materials that resist wear and heat buildup, extending service life and maintaining consistent performance even during demanding towing or off-road use.

ATS Diesel’s engineering expertise ensures that this package integrates seamlessly with the factory transmission housing and drivetrain components, providing a durable and efficient upgrade without compromising OEM fitment or function.

Installation & Fitment:

This transmission package is designed for direct fitment on Dodge Ram 2500 and Ram 3500 trucks equipped with the 48RE 4WD transmission from model years 2004 through 2007. Installation requires a professional transmission rebuild or swap, as the package includes internal components and rebuild materials rather than a complete drop-in transmission. Proper installation ensures optimal performance and reliability, and it is recommended to have the work performed by a qualified transmission specialist familiar with Dodge diesel trucks.

No major modifications to the vehicle’s drivetrain or electronics are necessary, making this an efficient upgrade path for owners seeking to enhance transmission durability and shift quality.

What’s Included

• Upgraded clutch packs and bands
• Valve body with enhanced calibration
• Complete seal and gasket kit
• Precision-machined internal components
• Installation instructions and technical support from ATS Diesel

Ideal For:

The ATS Diesel Stage 6 Transmission Package is ideal for Dodge Ram 2500 and 3500 owners who demand increased transmission strength and reliability to support higher horsepower and torque levels. It is especially suited for:

• Diesel truck enthusiasts upgrading their powertrain
• Owners who frequently tow heavy loads or haul large payloads
• Off-road and performance drivers requiring durable transmission components
• Anyone seeking to extend the life of their 48RE transmission under demanding conditions

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.