Surplus Deal USA FC-280PC-22125 Door Lock Actuator Motors 4-Pack — 10mm Flat D Shaft, Canister Replacement

This is a 4-pack of FC-280PC-22125 replacement door lock actuator motors with a 10mm flat D-type shaft, designed to restore power lock function in compatible vehicle actuator assemblies.

If a vehicle's power door lock has a burned-out motor or a stripped gear connection, these compact replacement motors offer an economical repair option. Supplied by Surplus Deal USA, each motor is a flat-shaft variant commonly used in many aftermarket and OEM-style actuator housings that originally used Mabuchi or Nichibo motors. The motors are supplied as the canister-only unit (no gears or plastic clamshell) so you can swap them into your existing actuator gearbox when the motor itself is the failed component.

How do I know this motor fits my actuator?

Measure the existing motor to confirm compatibility before buying. Key dimensions include the flattened shaft profile, canister diameter, and overall length; if these match, the motor should seat and engage the actuator gear correctly.

• Flat (D) shaft: 2mm across the flat x 10mm long engagement
• Canister: 24.2mm diameter (18.3mm across the flat sides) x 30.5mm canister length
• Overall length: 45mm tip-to-tail
• Model reference: FC-280PC-22125, compatible with many Mabuchi/Nichibo-style actuators

What does "flat shaft" mean and why does it matter?

A flat (D) shaft has one flattened side that prevents gears or couplers from slipping, ensuring a secure mechanical connection inside the actuator. Installing the correct shaft profile is essential because a round shaft or different length won't properly engage the gear and can cause failure or slipping.

• Flat spot provides positive drive for press-fit gears
• 10mm engagement length matches many actuator gears
• Prevents rotational slip compared with smooth round shafts
• Check gear bore shape in your actuator before installation

What comes in this 4-pack and what is not included?

You receive four bare motors only — the metal canister with its flat D-style shaft — packed for replacement work. This listing does not include plastic housings, gear trains, wiring pigtails, or mounting clips, so you’ll reuse parts from your original actuator assembly.

• Includes: four FC-280PC-22125 motors with flat shafts
• Excludes: gears, clamshell housings, and electrical connectors
• Sold for repair/rebuild use in existing actuators
• Inspect the actuator internals before purchase to confirm rebuildability

How do I replace the motor safely and effectively?

Disassemble the actuator carefully to retain gears and mounting hardware; note wiring polarity for correct reassembly. Press the new motor into the gearbox until the shaft seats in the gear, then test the actuator function before reinstalling the door panel to avoid repeat disassembly.

• Disconnect vehicle battery as a safety step
• Document orientation and wiring before removal
• Seat motor fully so flat shaft engages gear bore
• Test electrically before final reassembly of the actuator

Who is this for: This 4-pack is aimed at mechanics, DIY enthusiasts, and fleet technicians who rebuild power door lock actuators and need a reliable, economy motor supply. It's ideal when the motor has failed but the gearbox and linkages are intact, and for anyone maintaining multiple vehicles or stocking replacement parts for frequent repairs.