Pay in 4 interest-free payments of $50.88 Learn more
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
4500/5500 2019-2022
Perfect for towing
22% Airflow Increase over Stock
The internal race and pin components are not covered by replacement Warranty
AND PROTECTANT
Fleece Cummins Coolant Bypass Kit 12V (1994-1998) w/ Stainless Steel Braided Line TRANSMISSION 1998.5-2002 CUMMINS 5.9L 4500/5500 2019-2022Increased 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
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