Fitment
Compatible with heavy-duty diesel emission systems

Vehicle applications include:
Freightliner Cascadia (DD13 / DD15 engines)
Hino 268
Hino 338
Western Star 5700XE
Other vehicles using part number 89463-E0450 / 5WK96668A (12V systems)

FAQ

Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in diesel exhaust for SCR emission system control and DEF dosing regulation.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust aftertreatment system, commonly in inlet or outlet SCR positions depending on configuration.

Q3: Is this a 12V or 24V sensor?
A3: This part number is commonly used in 12V heavy-duty diesel applications.

Q4: Is part number matching required?
A4: Yes, exact matching of 89463-E0450 / 5WK96668A is required for correct fitment.

Q5: What are common failure symptoms?
A5: Engine warning light, SCR efficiency faults, NOx sensor codes, or engine derate/limp mode.