21503938
DEF Injector
Mack

This diesel exhaust fluid injector is a key component in the emission control system, precisely delivering DEF into the exhaust stream to reduce harmful NOx emissions. Its accurate spray pattern and reliable operation ensure compliance with environmental standards while maintaining engine performance. The injector's durable design withstands high-pressure conditions and chemical exposure, ensuring long-term serviceability. Proper functioning of this part is essential for meeting emissions regulations and avoiding costly penalties. Source One Parts Center supplies this injector to support your vehicle’s emission system maintenance with quality and precision.