Husqvarna 578373405 Printed Circuit Board Motor Interfacekort For WS440 With New Durable Harting Pins

Replacing a failed motor control board on your WS440 wall saw mid-job keeps your crew productive and avoids costly downtime on commercial cutting projects. This printed circuit board motor interface serves as the direct factory replacement component for Husqvarna WS440 systems, restoring full motor control functionality. The board features upgraded Harting pins designed for improved durability and connection reliability compared to earlier versions, addressing a common wear point in high-use environments. Installation requires basic electrical knowledge and proper lockout procedures. Compatible exclusively with WS440 models, this interfacekort maintains original equipment performance standards without modification to your existing setup. Built for contractors and rental operations running Husqvarna wall saws who need verified OEM components to maintain equipment uptime and avoid compatibility issues with aftermarket alternatives.