40159-ZY3-000 Rr Cover Bracket B - Overview. The 40159-ZY3-000 Rr Cover Bracket B is a crucial mounting bracket designed specifically for Honda marine engine systems. It supports the rear cover assembly, providing a reliable and secure mounting point that ensures the integrity of various engine parts. By maintaining precise alignment and fit, it helps keep the marine engine operating smoothly and reliably under demanding conditions. Designed to fit Honda's Active Marine system, this bracket ensu