SKU: 75467675310

1998-2002 Ram HD VP Coolant Bypass Kit (FPE-CLNTBYPS-CUMMINS-VP)

Sale price$180.45 Regular price$200.50
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

1998-2002 Ram HD VP Coolant Bypass Kit (FPE-CLNTBYPS-CUMMINS-VP)The Fleece Performance VP Coolant Bypass Kit 1998 2002 is built to OEM or better standards for diesel truck owners who want a no compromise upgrade. Engineered, manufactured, and supported by Fleece the diesel performance specialists. Features 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

The Fleece Performance VP Coolant Bypass Kit 1998-2002 is built to OEM-or-better standards for diesel truck owners who want a no-compromise upgrade. Engineered, manufactured, and supported by Fleece - the diesel performance specialists.

Features
  • 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.
Specifications
  • Fuel Type: Diesel
  • Engine: Cummins
  • Country of Origin: US
Manufacturer Description

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.

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.

The 03-07 5.9L automatic transmission version will eliminate the factory transmission fluid heat exchanger. The heat exchanger is not a fluid cooler; it was 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. All 07-13 6.7 trucks, both automatic and manual equipped transmissions, do not have a transmission fluid heat exchanger.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75467675310

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Christopher Johnson
Los Angeles, US
★★★★★ 5
Nice
Fit perfectly works the same
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Reviewed in the United States on July 15, 2023
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mike s.
Louisville, US
★★★★★ 1
Starter
Didn't even last two months having to replace it already
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Reviewed in the United States on March 22, 2026
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Yianni Tripodis
San Leandro, US
★★★★★ 5
Price/Quality
Packaged very well, perfect fit and the quality looks great. Well worth the price.
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Reviewed in the United States on April 11, 2026
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Roscoe and Tori
Massapequa, US
★★★★★ 5
DIY!!
Bought this cabin air filter for my 2015 Honda CR-V and it fit perfectly. Installation was super easy and only took a few minutes. I immediately noticed the air coming through the vents smelled cleaner. No need to have it replaced for you. Definitely worth it if you want an affordable replacement that gets the job done.
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Reviewed in the United States on May 19, 2026
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Ben W.
Port Orchard, US
★★★★★ 5
Perfect replacement
Perfect replacement for our 2016 Acura RDX. Easy to install.
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Reviewed in the United States on May 3, 2026

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