Fleece Performance Coolant Bypass Kit – 03-07 Dodge Cummins 5.9L Braided Black Nylon
Regular Price $359.00
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Keep your engine cool with a Fleece Performance coolant bypass kit for your 2003-2007 5.9L Cummins diesel engine. Shop now for low prices.
Features:
Ensures Consistent Coolant Temperature Across All Cylinders
Prevents Critical Cooling System Pressure
Head Removal Not Required For Installation
Another product from Fleece Performance built out of necessity is the Coolant Bypass Kit 03-07.
The Cummins engine cooling system was designed to adequately cool a 300-350hp engine.
When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system. Especially the rear of the block and possibly blow out freeze plugs externally. Also applies to the smaller diameter plugs under the valve cover, leading to a failure.
Fleece designed their Coolant Bypass Kit 03-07 with 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. Our kit comes with high quality AN o-ring fittings and AN hose connections with braided hose to ensure a leak free installation. 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.
Compatible With:
- 2006 Dodge 5.9L 24V Cummins
- 2007 Dodge 5.9L 24V Cummins
*May not work for all builds due to other engine/vehicle modifications
Frequently bought with:
Dodge \ Ram Diesel
Power Driven 10 AN Block Oil Drain Fitting 89-07 Dodge Cummins
Check out the the PDD Youtube for anything and everything diesel performance!
| Weight | 15 lbs |
|---|---|
| Dimensions | 4 × 9 × 12 in |
| Year | 03-05, 06-07 |
| Transmission | Auto, Manual |
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