Fitment

Fits for:

• ISUZU NPR / NQR / NRR (2010–2016 select diesel SCR / emissions applications)
• ISUZU NPR Ecomax (select 4JJ1 3.0L diesel SCR systems)
• ISUZU light-duty trucks with SCR / AdBlue emissions systems
• Engine: ISUZU 4JJ1 / 4HK1 diesel SCR applications (depending on vehicle configuration)
• Position: Exhaust NOx sensor (inlet or outlet depending on configuration)
• OE Numbers: 89823-13911 / 8982313911 / 5WK96731A / 89823-13912 / 8-98231-391-1

FAQ

Q1: Is this compatible with all ISUZU NPR/NQR models?
A1: No, compatibility depends on engine type (commonly 4JJ1 or 4HK1), emissions standard, and SCR system configuration.

Q2: Where is it installed?
A2: It is installed in the exhaust system to measure nitrogen oxide levels for SCR (AdBlue) emissions control.

Q3: Are 89823-13911 and 5WK96731A the same part?
A3: Yes, they are cross-reference numbers for the same NOx sensor family used in ISUZU SCR systems.

Q4: What does this sensor do?
A4: It monitors NOx concentration in the exhaust and supports accurate AdBlue dosing for emissions compliance.