SKU: 16133701821

Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line

Sale price$175.39 Regular price$194.88
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 7 - Sep 12

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Description

Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel 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. Kits for MY 2003+ 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.

Installation Instructions
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
1998-2002 Dodge Ram 2500 Base
1998-2002 Dodge Ram 3500 Base
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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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: 16133701821

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Trisha Langteau
Charlottesville, US
★★★★★ 5
Solid refurbished part good quality
Correct part , works well and was easy to install
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Reviewed in the United States on March 12, 2026
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Mike C
Draper, US
★★★★★ 5
Starter
Works great in my Ford Escape
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Reviewed in the United States on February 28, 2026
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Grantham, US
★★★★★ 5
Price and quality
Awesome and reasonable price
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Reviewed in the United States on December 25, 2025
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Julie B
Whiting, US
★★★★★ 5
Great wipers!
Size: 24"+20"+12LP(HOOK)
These wipers are affordable, easy to install to install, fit great and work really well!
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Reviewed in the United States on April 12, 2026
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Adele P.
San Leandro, US
★★★★★ 5
Perfect replacement wipers
Size: 26"+14"+10-1(PTB)
These are fantastic and fit my car perfectly. I was a little worried but they went on easily and were the perfect replacement. They fit against the glass and don't cause any smearing. I was thrilled to get them so quickly because we had another storm coming and these worked fantastically. I can see out of my windshield. If you're on the fence about these, go ahead and order, they work great.
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Reviewed in the United States on March 18, 2026

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