74631-04 Solid State OEM Style Rectifiers/regulators

For Dyna riders, a failing regulator can lead to all sorts of headaches, from dead batteries to erratic sensor readings. This Zodiac solid-state rectifier and regulator is built to handle the specific demands of the Dyna chassis and fits Harley-Davidson Dyna models. It is an OEM-style replacement that plugs right in, replacing the original part number 74631-04. The solid-state construction means there are no moving parts to wear out, providing a much more reliable solution than older mechanical styles. It is a critical component for keeping your Twin Cam Dyna’s electrical system running smoothly, ensuring that every ride starts with a healthy crank and consistent power delivery.