21089237
Diesel Exhaust Fluid (DEF) Injector
Mack

This critical component injects DEF into the exhaust system to facilitate the reduction of emissions, ensuring compliance with environmental standards. Its precise operation is vital for the proper functioning of emission control systems, directly impacting vehicle emissions and fuel efficiency. Built to withstand the corrosive nature of DEF and high-temperature conditions, this injector maintains consistent flow rates and reliable performance over time. Proper maintenance of this part is essential to prevent costly exhaust system failures and to meet regulatory requirements. Source One Parts Center offers this high-quality DEF injector to support your vehicle’s emission management, helping you maintain compliance and environmental responsibility.