20805109
Connector
Mack

This is a general-purpose electrical connector used in harness assemblies on Mack trucks to provide reliable, weather-sealed electrical continuity. It is designed to resist moisture, dust, and temperature fluctuations common in engine compartments, ensuring consistent signal or power transmission to sensors, actuators, and control modules. The connector features robust locking mechanisms, corrosion-resistant contacts, and compatible mating interfaces to minimize misalignment during installation. Proper mating and secure fastening prevent intermittent electrical faults that could compromise performance or diagnostics. When replacing, verify identification codes and polarity to ensure correct circuit integration. Routine checks during maintenance help identify cracked housings or loose terminals before a failure occurs. Source One Parts Center supplies this connector as a dependable option for your Mack electrical harness needs.