2MR2121
Multi-Purpose Relay
Mack

This relay serves as a versatile electrical switch, controlling various circuits within heavy-duty trucks. Its reliable operation ensures that electrical components such as lights, horns, or auxiliary systems activate correctly when needed. Designed for durability, it withstands vibrations, temperature fluctuations, and electrical loads typical in demanding vehicle environments. The multi-purpose nature allows it to be used across different systems, reducing the need for multiple specialized relays. Proper functioning of this relay is critical for vehicle safety and operational efficiency. Easy to install and replace, it provides a dependable connection point for critical electrical functions. Source One Parts Center supplies this relay as a trusted component for maintaining your truck’s electrical system.