Fitment
Compatible with diesel emission systems

Equipment applications include:
Caterpillar Inc. Caterpillar 320D
Caterpillar Inc. Caterpillar 330D
Caterpillar Inc. Caterpillar 336D
Caterpillar Inc. Caterpillar 950H
Other CAT diesel equipment using part number 359-9172-02 / 5WK96726

FAQ

Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide concentration in diesel exhaust for emission system control.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust aftertreatment section of diesel equipment.

Q3: Is part number matching required?
A3: Yes, exact part number matching is required for correct compatibility.

Q4: Are all CAT D-series machines using the same sensor?
A4: No, compatibility depends on engine configuration and emission system setup.

Q5: What are common failure symptoms?
A5: Engine warning indicators, emission system fault codes, or reduced machine performance mode.