5502-02 | Genuine Paccar® DEF Coolant Flow Control Solenoid 12V AD-IS Air Dryer A healthy fuel pump ensures:

A healthy fuel pump ensures:

Specifications 2512832C1:

Fits 1972435PE For

Tractor 4000

or is uneven

5502-02 | Genuine Paccar® DEF Coolant Flow Control Solenoid 12V AD-IS Air Dryer A healthy fuel pump ensures:Description: A DEF Coolant Flow Control Solenoid 5502 02 is an electrically controlled valve that regulates the flow of engine coolant to parts of the DEF (Diesel Exhaust Fluid) system. Part Number: 5502 02 Condition: New Manufacture Brand: Paccar Fits 5502 02 For Various Peterbilt And Kenworth PACCAR Engines Purpose of using 5502 02: 1. Prevents DEF from freezing DEF freezes at 12F ( 11C) The solenoid allows hot engine coolant to flow to DEF