Fleece Performance Coolant Bypass Kit (Manual Trans)

2004–2007 Dodge Ram 2500 / Ram 3500

FPE-CLNTBYPS-CUMMINS-MAN

Overview:

The Fleece Performance Coolant Bypass Kit is engineered specifically for Dodge Ram 2500 and Ram 3500 trucks equipped with manual transmissions from model years 2004 to 2007. Designed to address the cooling limitations of the 2003–2013 Cummins diesel engines, this kit ensures optimal engine temperature management, especially when horsepower is increased beyond factory specifications. By improving coolant flow and bypassing unnecessary cooling circuit restrictions, it helps maintain consistent operating temperatures, reducing the risk of overheating under heavy load or performance conditions.

This kit is an essential upgrade for enthusiasts and professionals who have modified their Cummins engines for enhanced power output or who demand reliable cooling performance during towing, hauling, or off-road use. It supports engine longevity and efficiency by optimizing the cooling system’s response to increased thermal loads.

Key Features:

The Fleece Performance Coolant Bypass Kit offers a range of benefits tailored to high-performance Cummins diesel applications:

• Designed specifically for 2004–2007 Dodge Ram 2500 and 3500 models with manual transmissions
• Improves coolant flow by bypassing the factory thermostat housing and heater core circuit
• Helps maintain stable engine temperatures under increased horsepower and heavy-duty conditions
• Reduces coolant system stress and potential overheating during towing or performance driving
• Precision-engineered components ensure a reliable, leak-free fit
• Compatible with stock and aftermarket cooling system components
• Easy integration with existing engine cooling setups without major modifications
• Durable materials designed to withstand high temperatures and harsh operating environments

Construction & Design:

Fleece Performance builds this coolant bypass kit with high-quality materials engineered for durability and long-term reliability. The components are precision-machined to provide a perfect fit for the Cummins 5.9L engines found in the specified Dodge Ram models. The design focuses on simplifying coolant flow paths to reduce resistance and improve thermal management efficiency. All fittings and hoses are constructed to resist corrosion and withstand the rigors of heavy-duty use, ensuring consistent performance even under demanding conditions.

Installation & Fitment:

Installation of the Fleece Performance Coolant Bypass Kit is straightforward and designed to fit directly onto 2004–2007 Dodge Ram 2500 and 3500 trucks with manual transmissions. The kit replaces select factory coolant routing components, eliminating the need for the heater core bypass and thermostat housing coolant flow. Basic mechanical skills and common hand tools are sufficient for installation, and no major modifications to the engine or cooling system are required. Detailed instructions are typically included to guide users through the process, ensuring a secure and leak-free setup.

What's Included:

• Precision-machined bypass housing
• High-quality hoses and fittings
• Mounting hardware and clamps
• Installation instructions

Ideal For:

This coolant bypass kit is ideal for Dodge Ram 2500 and 3500 owners who have upgraded their Cummins engines for increased horsepower or who frequently operate their trucks under heavy loads such as towing, hauling, or off-road driving. It is also a smart choice for diesel enthusiasts seeking improved engine cooling reliability and longevity without extensive cooling system modifications.

Fleece Performance Engineering is a diesel performance manufacturer known for innovative upgrades and reliability-focused solutions for Cummins, Duramax, and Power Stroke platforms. From turbo and fuel system components to cooling and electrical repair solutions, Fleece parts are built for owners who demand stronger performance without compromising dependability.