Yes — when reconditioned by a qualified workshop, refurbished marine electronics perform to original OEM specification. Component-level inspection, OEM spare-part replacement, full bench testing and calibration are the four steps that determine reliability.
A properly reconditioned bridge unit typically delivers 5–8 years of trouble-free service before another overhaul cycle.
Yes — provided IMO type-approval is intact and overhaul documentation is supplied with the unit.