Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line
SKU: 80894128704

Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line

Sale price$175.39 Regular price$194.88
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Description

Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided LineIncreased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5. 9 6. 7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. Benefits: Lowers coolant temperature at the rear cylinders Ensures consistent temperatures across all cylinders Prevents damaging coolant pressure build up Complete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation. Why do I need a Fleece Coolant Bypass? One of the biggest issues on the 5.9/6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature / over-pressure condition. The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.

Installation Instructions
Warranty
  • Complete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation
  • Ensures consistent temperatures across all cylinders
  • Lowers coolant temperature at the rear cylinders
  • Prevents damaging coolant pressure build up

This Part Fits:

Year Make Model Submodel
2003,2005-2007 Dodge Ram 2500 Laramie
2003-2007 Dodge Ram 2500 SLT
2006 Dodge Ram 2500 Sport
2003-2007 Dodge Ram 2500 ST
2006-2007 Dodge Ram 2500 TRX4
2003-2007 Dodge Ram 3500 Laramie
2003-2007 Dodge Ram 3500 SLT
2006-2007 Dodge Ram 3500 Sport
2003-2007 Dodge Ram 3500 ST
2007 Dodge Ram 3500 TRX4
Shipping Notes
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Exchange/Return Notes
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SKU: 80894128704

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HenriQ
West Palm Beach, US
★★★★★ 5
Beautiful, luxurious-looking watch.
Color: Grey
Beautiful, luxurious-looking watches. Impeccable craftsmanship. Highly polished glass & reflective hour markers & arms pop with a luxurious shine in the light. Love these watches. So much so I have bought several in different color faces for different occassions. Each is beautiful. Finely detailed minute, hour & second hands are easy to read even in dim light. Outstanding quality for the price. Perfect size looks great on the wrist & keeps accurate time. I have had more compliments of these watches, than much more expensive watches I have.
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Reviewed in the United States on March 20, 2026
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Sebastian C.
Massapequa, US
★★★★★ 5
Nice homage watch. Love it!
Color: Blue
Real nice Patek homage. Great price
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Reviewed in the United States on May 25, 2026
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Finn
Cuba, US
★★★★★ 1
Cheap not worth the money
Color: Blue
You get what you pay for and most of these cheap watches from China that you get on Amazon aren’t worth the time you spent ordering them off the site. I bought like six of them as gifts and none of them lasted more than a month
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Reviewed in the United States on May 5, 2026
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James Galloway
Chelsea, US
★★★★★ 5
Great buy!
Color: Blue
Great quality! Easy to adjust! Keeps time well and looks really expensive!
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Reviewed in the United States on April 2, 2026
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Ravante Robinson
Battle Creek, US
★★★★★ 4
Watch
Color: Silver white
Its looks high end for the price like Nixon high end but the latch gets loose easily
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Reviewed in the United States on January 1, 2026

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