MSW-1242 Switch Relay - 4 Pole Continuous Includes Terminal Hardware Accessories Replaces MAK2MR350

It’s designed for continuous-duty electrical switching in heavy-duty vehicle applications where reliable power control is needed. The 4 pole continuous duty relay configuration supports managing multiple circuits in truck electrical systems. It’s commonly used anywhere a continuous duty solenoid relay is required.

Yes, it’s intended to replace the MAK2MR350 in compatible applications. Matching the vehicle’s original specifications and wiring layout is important to ensure proper operation. If you’re unsure, confirm fitment by comparing the existing relay’s part number and terminal configuration.

Yes, it includes terminal hardware and accessories to help streamline installation and reduce the need for extra parts. Having the correct hardware can improve connection quality and help prevent loose terminals in a truck electrical relay setup. Always tighten terminals properly and inspect for corrosion during installation.