The Wacker Neuson 5200020239 Brush is a genuine OEM component designed for the APT4S and APT4T series self-priming pumps. As a direct OEM replacement, this brush is sourced and validated by Wacker Neuson to meet the exact specifications of the original part. Confirmed fitment spans multiple APT4S and APT4T configurations, including skid-mounted, electric brake, surge brake, and cold weather variants. Installing the correct brush ensures the pump's electric motor continues to deliver consistent, dependable performance in the field.
Key Features
- Genuine OEM Motor Brush: — Manufactured to original Wacker Neuson electrical specifications, ensuring correct contact grade, dimensions, and conductivity for the APT4S and APT4T pump motors.
- Drop-In Replacement: — Designed to seat directly into the existing brush holder assembly with no rework or adaptation to the motor housing.
- Broad APT Series Fitment: — Compatible with APT4S w/Skid, APT4T Electric Brake, APT4T Surge Brake, and all corresponding Cold Weather variants.
- Protects Motor Commutator: — A worn or undersized brush causes arcing and commutator damage; replacing with a correctly spec'd OEM brush preserves commutator surface integrity and extends motor service life.
- Electrical Safety Compliance: — Using the OEM-specified brush material and grade maintains proper current transfer characteristics, reducing risk of overheating or motor failure during pump operation.
A motor brush is a carbon or graphite contact block that transfers electrical current between the stationary wiring and the rotating commutator inside an electric motor. In pump applications like the APT4S and APT4T, the brush is a wear item that gradually erodes with normal use. When a brush wears down too far, electrical contact becomes intermittent, causing the motor to run rough, lose power, or stop altogether. Replacing the brush at the right interval keeps the motor running cleanly and prevents secondary damage to the commutator.
Part Details
| Part Number | 5200020239 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Brush |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Electric Brake, Cold Weather | APT4T CW | 5200019793, 5200019792 |
| APT4T Pump, Electric Brake | APT4T | 5200019644, 5200019643 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
