Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line
Cummins Coolant Bypass Kit VP 98.5-02 with Stainless Steel Braided Line Fleece Performance
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. Kits for MY 2003 and up include billet hose brackets.
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.
Application Notes:
The 2003 - 2007 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is designed for use in cold climates to warm the transmission fluid with the engine coolant. It is not necessary for use in warm climates or high horsepower applications, nor does it detrimentally affect the trucks performance when removed.
For model years 2007 - 2018 6.7L trucks, including both automatic and manual equipped transmissions, factory installed transmission fluid heat exchangers are uncommon. For customers with a 6.7L that has a heat exchanger, a heater tube can be purchased at your local Chrysler Dealership [PN:68048997AA] to complete the installation.
Features:
- VP Coolant Bypass Kit (1998.5-2002) with Stainless Steel Braided Line
- Engine Manufacturer: Cummins
- Engine Year: 1998.5-2002
- Liter: 5.9 Liter, 6.7 Liter
- Sold As: Kit
The aftermarket diesel performance arena has a myriad of manufacturers represented in it so it is important to get a little background on the company you are thinking about purchasing your diesel product from. That is why we want to give you some information on one of the foremost manufacturers of aftermarket diesel performance products, Fleece Performance Engineering. Fleece Performance began its journey in North Salem, IN back in 2008 and the company has been moving forward ever since.
The acquisition of Freedom Racing Engines saw the expansion of the company’s engine development program and allowed it to become the builder of a superior engine as well as an outstanding competitor in the marketplace. By continually upgrading their facilities and improving their product line they have proven themselves to be a company definitely worth considering when you are in the market for an aftermarket diesel product and the ISO 9001:2015 Certification should make you feel even more confident in choosing their products.
Just take a look at their impressive Cheetah line of Turbocharger that is a simple bolt it on and go design with its exclusive FMW compressor wheel and inconel turbine wheel technology. Or the Fleece Performance TapShifter, another easy to install addition, that affords you older vehicle owners the ability of shifting with the touch of a button like the newer vehicles.
And if you 6.7L Cummins owners want the only plug and play exhaust brake on the market today then look no further than Fleece Performance for your exhaust brake needs with its can based control systems and an electronic actuator that will give you split second brake activation. The above is just a small sampling of the assortment of products available from Fleece Performance and available on the LMPerformance website ready to meet your aftermarket diesel needs.
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