
Image is for illustration purposes only. Actual part may vary.
MJB-4385
A junction block kit designed for Mack heavy-duty truck electrical systems. It provides a common connection point with multiple threaded terminals, allowing wires to be securely fastened. Typically replaced when the original block is corroded, broken, or when upgrading or repairing the electrical harness.
Part Number: MJB-4385
BLOCK KIT JUNCTION BOX
Vendor: PAI Industries
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting