Mishimoto Replacement Radiator

2003–2009 Dodge Ram 2500 / Ram 3500 Cummins

R2711-MT

Overview:

The Mishimoto Replacement Radiator is engineered as a direct OEM replacement for Dodge Ram 2500 and Ram 3500 models from 2003 to 2009 equipped with the Cummins engine. Designed to restore your vehicle’s cooling system to optimal condition, this radiator eliminates the common issues found in aging stock units such as leaks, clogs, and cracked plastic components. Whether your original radiator has failed or you’re looking to maintain reliable cooling performance, this Mishimoto radiator offers a dependable solution that fits perfectly without any modifications.

Built to meet OEM specifications, this radiator ensures consistent cooling efficiency, helping to protect your engine from overheating during demanding driving conditions. Backed by the Mishimoto Lifetime Warranty, it provides peace of mind and long-term durability for your heavy-duty Dodge Ram truck.

Key Features:

This Mishimoto radiator combines quality materials and precise engineering to deliver reliable cooling performance for your Dodge Ram 2500 and 3500 trucks. Key features include:

• Direct OEM replacement with guaranteed fitment—no bending, cutting, or modifications required
• Durable aluminum core for efficient heat dissipation and long-lasting performance
• OEM-spec plastic end tanks engineered to withstand clamp pressure and thermal cycling
• Designed specifically for Dodge Ram 2500 and 3500 Cummins models from 2003 to 2009
• Prevents common radiator failures such as leaks, clogs, and cracked plastic inlets/outlets
• Maintains factory cooling capacity to protect your engine under heavy loads
• Corrosion-resistant construction for extended service life
• Backed by Mishimoto’s industry-leading Lifetime Warranty

Construction & Design:

The Mishimoto Replacement Radiator features a robust aluminum core that provides superior thermal conductivity compared to traditional copper or brass cores. This design ensures rapid heat transfer away from the engine coolant, maintaining optimal operating temperatures even under heavy towing or hauling conditions. The plastic end tanks are manufactured to OEM specifications, offering a precise fit and resistance to cracking or warping caused by constant clamp pressure and heat cycles.

Every radiator undergoes rigorous quality control to meet or exceed factory standards, ensuring durability and reliability. The combination of aluminum and high-quality plastic components balances weight savings with structural integrity, making it an ideal upgrade or replacement for your Dodge Ram’s cooling system.

Installation & Fitment:

Installation of the Mishimoto Replacement Radiator is straightforward and designed to be a direct swap with your factory unit. There is no need for any modifications such as bending, cutting, or drilling. It fits perfectly into the existing mounting points and connects seamlessly with your vehicle’s original hoses and clamps. This radiator is compatible with a wide range of Dodge Ram 2500 and 3500 models from 2003 through 2009, including various trims such as Laramie, SLT, Sport, ST, SXT, and TRX4.

Whether you are performing a routine replacement or repairing damage from leaks or cracks, this radiator ensures a hassle-free installation process, saving you time and effort.

What's Included:

• Mishimoto Replacement Radiator (aluminum core with plastic end tanks)
• Pre-installed fittings and mounting points for direct OEM compatibility
• Installation instructions

Ideal For:

This radiator is ideal for Dodge Ram 2500 and 3500 owners who need a reliable, OEM-quality replacement for their aging or damaged stock radiator. It is perfect for:

• Heavy-duty truck owners who tow or haul frequently
• Drivers experiencing overheating or coolant leaks due to radiator failure
• Anyone seeking a durable, long-lasting cooling solution with guaranteed fitment
• Enthusiasts who want to maintain factory cooling performance without compromise

Applications

• 2006–2008 Dodge Ram 2500
• 2003–2009 Dodge Ram 2500 Laramie
• 2003–2009 Dodge Ram 2500 SLT
• 2006–2007 Dodge Ram 2500 Sport
• 2003–2009 Dodge Ram 2500 ST
• 2008–2009 Dodge Ram 2500 SXT
• 2006–2007 Dodge Ram 2500 TRX4
• 2003–2009 Dodge Ram 3500 Laramie
• 2003–2009 Dodge Ram 3500 SLT
• 2006–2007 Dodge Ram 3500 Sport
• 2003–2009 Dodge Ram 3500 ST
• 2008–2009 Dodge Ram 3500 SXT
• 2007 Dodge Ram 3500 TRX4
• 2008–2009 Dodge Ram 4500 (including Laramie, SLT, ST)
• 2008–2009 Dodge Ram 5500 (including Laramie)

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.