Fitment

Compatible with Hyundai / Kia diesel SCR (AdBlue) systems

Vehicle applications include:
Hyundai i800 Van / Bus 2.5 CRDi (2015–2020)
Hyundai iLoad / H-1 Cargo 2.5 CRDi (2015–2020)
Hyundai H-1 Travel / Starex 2.5 CRDi (2015–2020)
Kia Grand Starex / Travel TQ platform (regional models)
Other Hyundai Kia 2.5 CRDi SCR diesel systems using 29650-4A200 / 5WK97399 / SNS399

FAQ

Q1: What is this NOx sensor used for?

A1: It measures nitrogen oxide (NOx) in diesel exhaust and sends data to the SCR (AdBlue) system to control emissions and reduce pollution.

Q2: Are 29650-4A200 and 5WK97399 the same part?

A2: Yes.

• 29650-4A200 = Hyundai/Kia OEM part number
• 5WK97399 / SNS399 = Continental/Bosch reference numbers
  They refer to the same NOx sensor used in Hyundai 2.5 CRDi SCR systems.

Q3: Which vehicles use this sensor?

A3: Mainly Hyundai 2.5 CRDi diesel commercial vehicles such as:

• i800
• iLoad
• H-1 Cargo / Travel
• Grand Starex

Q4: Where is this sensor installed?

A4: It is installed in the exhaust aftertreatment system, typically as SCR inlet or outlet NOx sensor depending on configuration.

Q5: What are common failure symptoms?

A5:

• Engine warning light
• AdBlue / SCR system fault
• NOx signal error codes
• Limp mode (reduced power)