Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK96731, 89823-13910
Vehicle Compatibility: ISUZU Diesel Trucks (US Models) – Designed for EPA Tier 4 engines used in ISUZU NPR, NQR, NRR, and F-Series medium-duty trucks with SCR (Selective Catalytic Reduction) exhaust systems (2014–2024)
Configuration: OEM-style NOx sensor built for high-precision nitrogen oxide detection in diesel exhaust gases. Engineered for superior heat resistance and vibration stability to ensure long-lasting performance in demanding environments.
Function: Monitors NOx levels and provides feedback to the ECU for real-time DEF (Diesel Exhaust Fluid) injection adjustments, optimizing combustion efficiency and ensuring compliance with U.S. EPA Tier 4 emission standards.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: Corrosion-resistant stainless steel housing with a ceramic sensing element and heat-shielded cabling
Application: Fits ISUZU Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK96731 / 89823-13910
Cross-Reference: Equivalent to ISUZU OE part numbers above; compatible with OEM SCR and DEF emission systems for medium-duty truck applications
Installation: Direct-fit replacement; threads into OEM exhaust port and connects seamlessly to the factory harness
Service Interval: Replace when NOx system efficiency drops, fault codes (P2201, P229F) appear, or emission-related warnings are triggered
Delivery & Availability
Stock Options: High-quality aftermarket ISUZU NOx sensors available
Delivery Time: 3–7 days internationally
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.


