ATS Diesel Stage 3 Transmission Package

2004–2007 Dodge Ram 2500 / Ram 3500 2WD 48RE Transmission

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Overview:

The ATS Diesel Stage 3 Transmission Package is a high-performance upgrade designed specifically for Dodge Ram 2500 and Ram 3500 trucks equipped with the 48RE 2WD transmission from model years 2004 through 2007. This package is engineered to enhance the durability and shifting capabilities of your transmission, making it an ideal solution for diesel truck owners who demand reliable power delivery under heavy loads and challenging driving conditions.

Built to withstand increased torque and horsepower, the Stage 3 package is perfect for enthusiasts and professionals who have modified their trucks for towing, hauling, or off-road use. It provides improved shift firmness and responsiveness, ensuring your transmission performs optimally with upgraded engines or increased power levels.

Key Features:

The ATS Diesel Stage 3 Transmission Package incorporates advanced components and engineering to deliver superior performance and reliability. Key features include:

• Heavy-duty internal components designed to handle increased torque and horsepower
• Upgraded clutch packs for improved holding capacity and reduced slippage
• Enhanced valve body modifications for firmer, more precise shifts
• High-quality materials and manufacturing standards to ensure long-lasting durability
• Compatibility with Dodge Ram 2500 and 3500 models from 2004 to 2007 equipped with the 48RE 2WD transmission
• Optimized for diesel-powered trucks, supporting common power upgrades
• Improved thermal management to reduce transmission overheating under heavy use
• Designed to maintain factory-like drivability while increasing performance

Construction & Design:

The Stage 3 Transmission Package is meticulously engineered using premium-grade materials to withstand the rigors of heavy-duty applications. Each component is precision-machined and balanced to ensure smooth operation and longevity. The clutch packs are constructed from high-friction materials that resist wear and heat buildup, while the valve body enhancements improve hydraulic control for consistent shift timing.

ATS Diesel’s commitment to quality ensures that every part in this package meets or exceeds OEM specifications, providing a seamless integration with your existing transmission system. The robust design supports increased power without compromising reliability or drivability.

Installation & Fitment:

This transmission package is a direct fit for Dodge Ram 2500 and Ram 3500 trucks from 2004 to 2007 equipped with the 48RE 2WD transmission. Installation requires professional transmission knowledge and tools, as it involves disassembly and reassembly of the transmission internals. Proper installation ensures optimal performance and longevity of the upgraded components.

While no major modifications to the vehicle are necessary, it is recommended to have the installation performed by a qualified technician familiar with heavy-duty transmissions and ATS Diesel products to guarantee the best results.

What's Included:

• Upgraded clutch packs
• Modified valve body components
• Heavy-duty internal transmission parts
• Installation instructions and technical support documentation

Ideal For:

This Stage 3 Transmission Package is ideal for Dodge Ram 2500 and 3500 owners who have increased their truck’s power output through engine tuning or aftermarket modifications and require a transmission upgrade to match. It is especially suited for those who use their trucks for towing, hauling, or demanding off-road conditions where transmission reliability and shift quality are critical.

Whether you are a diesel performance enthusiast or a professional relying on your truck for heavy-duty tasks, this package offers a balanced solution to enhance transmission durability and driving experience.

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.