氮氧传感器 21984358 22219283 5WK96717B 通用

This nitrogen-oxide sensor (models 21984358/22219283/5WK96717B) is designed for Volvo, Renault, Mack, and DAF heavy trucks, for 2010-2018 models with D11, D13, or D16 engines, covering displacements from 10.8L to 16.1L. Monitors NOx concentration in exhaust and feeds ECU to optimize SCR injection to ensure compliance and improve fuel economy. OEM numbers include 21984358, 22219283, 5WK96717B and 5WK96717A for cross-checking. Replacement difficulty moderate; use a dedicated socket to avoid damaging threads or sensor cable contacting high-temperature exhaust zones. As a KLP brand OEM substitute, this product has been endurance-tested and is suitable for fleet bulk purchasing to reduce maintenance costs.