Optimize your Freightliner Cascadia or 122SD truck’s cooling system with the Kustom Truck Coolant Shunt Tube, designed specifically for the Detroit Series 60 engine with DDEC3 or DDEC4 electronics and the Detroit OEM water pump P/N 23539929 (or similar). Many customers have also successfully installed and used this tube on DDEC5 engines equipped with a similar water pump. This black powdercoated tube connects the water pump to the radiator’s surge tank, ensuring efficient coolant flow. Routed across the front of the engine between the front cover and the back of the fan hub, the tube features a 37-degree flare nut on one end for secure attachment to the water pump and a hose barb on the other end, compatible with 1" ID silicone hose for connection to the surge tank. Ideal for mechanics and fleet owners performing engine conversions or cooling system upgrades, this shunt tube offers durable construction and precise fitment for heavy-duty applications. Note: Confirm compatibility with your specific engine, electronics version, water pump, and chassis configuration by contacting Kustom Truck for fitment verification. Enhance your truck’s cooling performance with this reliable and precision-engineered coolant shunt tube, crafted for durability and precision.
Kit Includes:
- (1) Coolant Shunt Tube (Black Powdercoated)
Key Features:
- Coolant shunt tube for Freightliner Cascadia or 122SD with Detroit Series 60 engine
- Primarily designed for DDEC3 and DDEC4 electronics with Detroit OEM water pump P/N 23539929 (or equivalent)
- Successfully used by many customers on DDEC5 engines with a similar water pump
- Connects water pump to radiator surge tank with 37-degree flare nut and 1" ID hose barb
- Routed across engine front, between front cover and fan hub
- Black powdercoated for corrosion resistance and durability
- Ideal for engine conversions or cooling system upgrades
- Engineered for precise fitment and durable performance
- Note: Confirm engine, electronics, water pump, and chassis compatibility with Kustom Truck
Enhance your Freightliner Cascadia or 122SD’s cooling system with Kustom Truck Parts’ Coolant Shunt Tube, crafted for durability and precision.