Restore safe, reliable operation to your washing machine with this original drum door lock assembly, model DC3400025B. Designed to meet OEM form, fit, and function, this DC12V replacement switch secures the drum door and completes the doorinterlock circuit so the machine can run when the door is properly closed. Key benefits OEM replacement: Original part number DC3400025B ensures a direct, compatible substitute for machines that use this door lock assembly. Restores safety and functionality: Replaces a worn or failed lock to prevent the washer from starting with the door open and eliminates doorlock related error codes. Reliable DC12V switching: Built for dependable electrical operation at the specified 12volt rating. Quick solution: Designed for straightforward installation so you can get your appliance back in service without lengthy downtime. What this part does Acts as the door interlock switch for frontload and drumstyle washers, physically locking the door and sending the required electrical signal to the control board when closed. Stops or interrupts machine cycles if the lock is not engaged, protecting users and equipment. Key attributes Model: DC3400025B (original equipment) Voltage: DC12V (rated for the washing machine's interlock circuit) Functionality: Door lock / interlock switch — secures door and provides the switching signal to the appliance control Fit: OEM form and mounting for direct replacement where DC3400025B is specified Performance: Designed to restore proper doorlock operation and reduce false error conditions caused by faulty switches Compatible applications / use cases a failed door lock to clear doorinterlock error codes and restore normal washing cycles. Service and maintenance: Keep as a spare part for appliance technicians or laundromat maintenance crews to minimize machine downtime. Home : Swap in this original assembly when the washer door won't latch, won't start, or machines display doorlock related faults. Installation tips and safety with the machine powered off and unplugged. Confirm compatibility by matching model DC3400025B and connector type to the original part. Designed to be a direct replacement; confirm mounting points and electrical connector match before installation. If unsure about fit or wiring, consult the appliance manual or a qualified technician. This original DC3400025B DC12V door lock replacement switch is an efficient, OEMgrade solution to restore the safety and operation of compatible drumstyle washing machines.