A4712008953
HC Doser Coolant Supply Line
Detroit Diesel

This specialized line supplies coolant to the HC doser, featuring a 4 mm inner diameter and 6 mm outer diameter, with a wall thickness of 1 mm. Made from steel, it offers high durability against the rigors of heavy-duty engine operation, including pressure fluctuations and thermal stresses. Its design ensures a secure connection to the dosing system, preventing leaks that could impair fuel metering and engine efficiency. Proper coolant flow through this line is vital for maintaining the precise operation of the HC dosing system, which directly influences emissions and fuel economy. Sourced from Source One Parts Center, this component guarantees quality and fitment, supporting your engine’s emission compliance and operational stability over time.