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The Secret Of Fleece | 2003-2005 Dodge Ram 5.9l Cummins Auto Trans Coolant Bypass Kit Holiday Edition [gjAIFoED]

$51.99 $166.99 -69%

Fleece Coolant Bypass Kit for 2003-2005 Dodge Ram 5.9L Cummins The Fleece Coolant Bypass Kit is specifically designed for the 2003-2005 Dodge Ram 5.9L Cummins, addressing a common issue with the rear cylinders experiencing a lack of coolant flow. Thi

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The Secret Of Fleece | 2003-2005 Dodge Ram 5.9l Cummins Auto Trans Coolant Bypass Kit Holiday Edition [gjAIFoED]

Fleece Coolant Bypass Kit for 2003-2005 Dodge Ram 5.9L Cummins

The Fleece Coolant Bypass Kit is specifically designed for the 2003-2005 Dodge Ram 5.9L Cummins, addressing a common issue with the rear cylinders experiencing a lack of coolant flow. This innovative kit is crafted to enhance cooling efficiency and prevent potential failures due to overheating. With its unique secondary thermostat, the kit ensures consistent temperatures across all six cylinders, effectively lowering coolant temperatures at the rear cylinders and preventing damaging pressure build-up.

Key Features and Specifications

The Fleece Coolant Bypass Kit includes a braided hose and AN O-ring fittings for a leak-free installation. It also comes with billet hose brackets for MY 2003+ models, ensuring a durable and reliable setup. The kit's secondary thermostat operates based on temperature rather than pressure, which differentiates it from other brands and provides a more effective solution to the coolant flow problem. This kit is a complete package, ready to be installed and improve the cooling system of your Dodge Ram 5.9L Cummins.

Benefits and Applications

Investing in the Fleece Coolant Bypass Kit offers numerous advantages for Dodge Ram 5.9L Cummins owners. The kit effectively lowers coolant temperatures at the rear cylinders, ensuring consistent temperatures across all cylinders and preventing damaging pressure build-up. This not only improves the reliability and longevity of your engine but also enhances overall performance. Whether you're driving in cold or warm climates, this kit is a crucial addition to your vehicle, protecting against catastrophic failure and blowouts of freeze plugs. It's an essential upgrade for any Cummins platform owner looking to maintain their vehicle's peak performance and reliability.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

A great addition to my current whole set of cool gear.

- Tegan I..

January 25, 2026

Absolutely no complaints!

It’s a very clever and a highly practical solution.

- Norman O..

January 25, 2026

Absolutely no complaints!

It's a high-quality, exceptionally, very useful gadget.

- Caradog M..

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