The Heart Transplant for Your DCF887
When the “magic blue smoke” escapes from your impact driver, or the trigger becomes completely unresponsive, your tool isn’t necessarily dead—it just needs a heart transplant. The N880474 Motor and Switch Assembly is the central nervous system of your tool. Instead of diagnosing micro-soldering faults on a burnt control board, this complete aftermarket drop-in assembly allows you to replace the entire electronic drivetrain in under 20 minutes.
What’s Included in the Harness?
To ensure a seamless repair process, this N880474 aftermarket unit comes fully pre-wired from our factory. It includes:
- High-efficiency Brushless Stator (Motor Body)
- Variable Speed Actuator (Trigger Switch)
- Encapsulated Electronic Control Module (Sealed against jobsite dust/moisture)
- Base Battery Terminal Receptacle
- LED Worklight Wire Harness
Tech Q&A: Field Diagnostics
Q: Does this assembly include the magnetic spinning rotor?
A: No. This is the Stator, Switch, and Control Board assembly. You will need to slide your existing, functional magnetic rotor (armature) into the center of this new stator during reassembly.
Q: How do I know if I need to replace the N880474 assembly?
A: The most common symptoms of a failed N880474 unit include: a heavy acrid burning smell, the tool stuttering or cutting out under load, the LED light turning on but the motor refusing to spin, or a completely dead trigger response despite a fully charged battery.
Q: Is this specifically the 220V version?
A: Yes, this specific aftermarket iteration is engineered to match the electrical specifications of the 220V regional market variants of the DCF887. Please verify your tool’s regional type before ordering.
Legal Disclaimer: FixPartHub is an independent supplier of high-quality aftermarket replacement parts. We are not affiliated with, endorsed by, or sponsored by DeWalt. All brand names and trademarks mentioned are the property of their respective owners and are used solely for compatibility identification purposes.











