Battery Relay

A battery relay is the master switch for the machine's electrical system. It connects or disconnects the battery, protecting it from draining when not in use, ensuring safety during maintenance, and most importantly, allowing your machine to power up. Find the direct-fit replacement for your machine in the FridayParts catalog and get back to work without delay.

Wide Compatibility for Major Brands & Models

Our complete battery relay inventory covers most of the popular heavy equipment:

  • Komatsu: Excavators, loaders, dozers, motor graders and various engine models
  • Hitachi, JCB, Kobelco, Hyundai, Volvo, Doosan: Full line of excavators and wheel loaders
  • John Deere: Excavators and engineering loaders
  • Isuzu: Complete series of engineering engines
  • Other brands: Takeuchi, New Holland, UD trucks, Tadano cranes and more engineering vehicles

We cover classic old models and the latest new models, you can quickly confirm the right relay via original part number or equipment model. Browse our selection to find the specific part for your model. Order your replacement battery relay today!