A0119971789
Coupling Plug - Aftertreatment System
Detroit Diesel

This coupling plug is designed for aftertreatment systems, providing a secure connection point for diagnostic tools or system components. Its design ensures a tight, leak-proof fit to maintain system integrity and prevent emissions leaks. The plug's construction emphasizes durability and resistance to high temperatures and corrosive exhaust gases, making it suitable for continuous operation within exhaust aftertreatment modules. Proper sealing with this coupling plug is critical for system diagnostics, servicing, and ensuring compliance with environmental standards. Source One Parts Center supplies this plug, giving technicians and fleet operators a reliable component for maintaining emission control systems in heavy-duty trucks.