41MR4949M
Left Door Wiring Harness
Mack

This wiring harness is essential for the electrical integrity of the left door assembly, connecting various electrical components such as switches, sensors, and lighting. Engineered for durability, it withstands the harsh conditions typical of heavy-duty truck environments, including vibration, moisture, and temperature fluctuations. Proper wiring harnesses are crucial for maintaining reliable electrical performance, preventing shorts, and ensuring safety features function correctly. The harness's design facilitates straightforward installation and maintenance, reducing downtime and repair costs. Source One Parts Center supplies this component to support your vehicle’s electrical system, emphasizing quality and longevity for your fleet’s operational needs.