Bosch Downstream Nitrogen Oxide Sensor 17-20 Ford 6.7L Powerstroke F-350/F-450 | 17-19 F-550 CMNS-3969987 The drop-step design brings each

The drop-step design brings each platform closer to the ground

The Kleinn Heavy Duty Onboard Air System for your Ram was designed with the serious truck owner in mind

the Techni-Cooler Intercooler system for your Duramax LB7 puts your stock parts to shame

Flow bench tested prototypes to verify real airflow improvements

Bosch Downstream Nitrogen Oxide Sensor 17-20 Ford 6.7L Powerstroke F-350/F-450 | 17-19 F-550 CMNS-3969987 The drop-step design brings eachHas a failing sensor been causing emissions issues and throwing errors? Restore proper emissions system performance with the Bosch 0281008677 Nitrogen Oxide (NOx) Sensor. As an OE quality replacement for Ford LC3Z 5E145 F downstream sensor, this sensor continuously monitors nitrogen oxide (NOx) levels in your vehicle's exhaust stream, providing the engine control module (ECM) with precise data to optimize Selective Catalytic Reduction (SCR) operation