The Wacker Neuson 5200019915 Baffle is a genuine OEM component designed for the APT4T and APT4S pump series, including surge brake, electric brake, and cold weather variants. As a direct OEM replacement, this baffle is manufactured to the same specifications as the original part, ensuring a drop-in fit across all compatible configurations. It is confirmed to fit the APT4T Pump with Surge Brake, APT4T Pump with Electric Brake, APT4T Pump Cold Weather models, and the APT4S Pump with Skid and its cold weather variant. Verify your machine number against the fitment list before ordering to ensure compatibility.
Key Features
- Genuine OEM Construction — Manufactured to original Wacker Neuson tolerances, ensuring the baffle seats and seals correctly within the pump housing for consistent fluid control.
- Broad APT4T and APT4S Compatibility — Fits surge brake, electric brake, standard, and cold weather configurations across both the APT4T and APT4S pump families.
- Direct Drop-In Replacement — Matches the original mounting points and geometry, allowing straightforward installation without modification to the pump assembly.
- Maintains Proper Flow Dynamics — A correctly functioning baffle directs and stabilizes fluid movement inside the pump; a damaged or missing baffle can cause turbulence, reduced output efficiency, and accelerated wear on internal components.
- Cold Weather Model Coverage — Specifically listed for cold weather variants (APT4T CW and APT4S CW), confirming suitability for pumps operating in low-temperature environments.
A baffle is an internal flow-management component positioned inside the pump housing to direct and control the movement of fluid as it passes through the system. By guiding flow along the correct path, the baffle reduces turbulence, maintains pumping efficiency, and protects other internal components from irregular pressure and cavitation. When a baffle becomes cracked, corroded, or dislodged, fluid flow becomes erratic, output pressure drops, and the pump's internal components are exposed to increased stress — making timely replacement critical to maintaining reliable pump performance.
Part Details
| Part Number | 5200019915 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Baffle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
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.
