Special Offers
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4999545 Water Transfer Tube
This water transfer tube fit is compatible with Cummins engine models K19, K38, K50, N14, and NT855. It is a high-quality unit that ensures optimal performance and durability. The manufacturer part number is 4999545, and it...Regular price $129.87Regular price $129.87 -
5254518 Water Transfer Connection
Enhance your Cummins ISF2.8 or QSF engine with the 5254518 Water Transfer Connection, compatible with OEM part numbers 5397457 and 5265278. Engineered for durability and reliable performance, this component ensures optimal coolant flow and system efficiency....Sale price $69.43Regular price $112.32Sale price $69.43Regular price $112.32 -
5266888 Water Outlet Connection
This water outlet connection fit is specifically designed for Cummins diesel engines ISG. It is made in China and comes with a manufacturer part number of 5266888. The unit type is a unit and the type...Sale price $88.93Regular price $147.71Sale price $88.93Regular price $147.71 -
5270241 Water Inlet Connection
Genuine OEM Part No. 5270241 Water Inlet Connection is purpose-built for Cummins ISF2.8 series engines. Cast from high-strength, corrosion-resistant aluminum alloy with precision-machined mounting flanges and threaded ports, it ensures a perfect, leak-free fit with the...Sale price $35.85Regular price $58.95Sale price $35.85Regular price $58.95 -
5271638 Water Transfer Connection & Seal
Enhance the performance of your Cummins engine with this high-quality water transfer connection and seal kit. Designed to fit perfectly with ISB B4.5s, QSB5.9-44, and B5.9 models, this kit ensures a smooth and efficient transfer of...Regular price $64.17Regular price $64.17 -
5272348 Water Inlet Connection
The 5272348 Water Inlet Connection is designed for Cummins Engine 4BT3.9, superseding parts 5269608 and 3977545. Engineered for durability and optimal fit, it ensures reliable coolant flow and enhanced engine efficiency. Supersedes:5563465 5269608 3977545Sale price $135.85Regular price $199.99Sale price $135.85Regular price $199.99
Water plumbing (also called coolant plumbing or cooling system piping) refers to the network of hoses, pipes, tubes, connectors, and fittings that carry coolant throughout the engine's cooling system. It connects the engine block, cylinder head, radiator, water pump, thermostat, heater core, EGR cooler, oil cooler, and other components, ensuring continuous coolant flow for efficient heat transfer and temperature control.