Shop Now for Circuit Breakers. Macomb Marine Parts handles an array of aftermarket boat repair parts such as Piranha Propellers, SEI Sterndrives and Circuit Breakers as well as original equipment marine repair parts by MerCruiser, OMC, Volvo Penta, Crusader, Pleasurecraft Marine, Chrysler, Chris Craft, Quick Silver, and Mercury Marine. Shop Now for Circuit Breakers! For more information about a specific Circuit Breaker or another product please email us!