The Wacker Neuson Nozzle Retainer is a genuine OEM component designed for the APT4S and APT4T pump series, including standard and cold weather configurations. As a factory-sourced part, the is manufactured to the same specifications as the original, ensuring a consistent, trouble-free installation. This retainer is confirmed to fit across multiple APT4S and APT4T variants — covering surge brake, electric brake, skid-mount, and cold weather models — making it a straightforward stock item for fleets running mixed configurations.
Key Features
- Genuine OEM Retention Integrity — Sourced directly from Wacker Neuson, this retainer holds the nozzle at the correct seating depth and angle, maintaining the spray pattern the pump was engineered to deliver.
- Drop-In Replacement — Matches the original mounting geometry and thread engagement, so installation follows the same procedure as the factory part with no rework required.
- Broad APT4 Series Coverage — Fits APT4S and APT4T pump models across surge brake, electric brake, skid-mount, and cold weather variants — one part number spans the full APT4 family.
- Protects Nozzle Alignment Under Pressure — A failed or worn retainer allows the nozzle to shift under operating pressure, disrupting flow consistency and accelerating wear on surrounding components. Replacing it promptly restores pump output stability.
- Fuel System Compatibility Assurance — As a genuine OEM part, the 5200020199 meets Wacker Neuson's material and dimensional standards for fluid-handling components, keeping the pump's delivery system operating within spec.
The nozzle retainer secures the spray nozzle in place within the pump's fluid delivery circuit, locking it at the correct position so fuel or fluid is directed accurately during operation. When the retainer is intact, the nozzle maintains consistent alignment under pressure, which is critical to efficient and controlled fluid transfer. A worn or damaged retainer allows movement at the nozzle seat, which can result in uneven spray, pressure loss, and accelerated wear on adjacent sealing surfaces.
Part Details
| Part Number | 5200020199 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nozzle Retainer |
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.