The Wacker Neuson Bearing Support is a genuine OEM component designed for the APT4S and APT4T pump series, including standard, surge brake, electric brake, and cold weather variants. As a direct OEM replacement, this part is sourced from Wacker Neuson and built to the same specifications as the original — ensuring a correct, trouble-free installation. Compatible across six documented configurations of the APT4S and APT4T lines, the covers a broad range of pump setups in a single part number. When your pump needs restored structural integrity at the bearing assembly, this is the part to reach for.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to Wacker Neuson's original tolerancing specs, ensuring proper bearing seat alignment and load distribution within the pump assembly.
- Drop-In Installation — Matches the original mounting geometry of the APT4S and APT4T pump housings, so the bearing support installs directly without reworking surrounding components.
- Broad APT Pump Coverage — Fits six APT4S and APT4T configurations including standard, surge brake, electric brake, and cold weather variants — one part number across the platform.
- Structural Pump Reliability — A properly functioning bearing support keeps the rotating assembly correctly positioned under load. A worn or cracked support leads to bearing misalignment, premature wear, and pump failure.
- Genuine Wacker Neuson Part — Supplied as genuine OEM, meaning it carries the same material grade and construction as the part your pump shipped with from the factory.
The bearing support provides a rigid, precision-located housing that holds the pump's bearing in correct axial and radial alignment during operation. It absorbs and transfers the mechanical loads generated by the rotating shaft, keeping internal components running true under the stresses of continuous pumping. When the bearing support cracks, distorts, or wears, the bearing can shift out of alignment — leading to increased vibration, accelerated bearing failure, and potential damage to the shaft and surrounding pump components.
Part Details
| Part Number | 5200020040 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Bearing Support |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| 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.