The Wacker Neuson Injection Pipe is a genuine OEM component designed for the APT4S and APT4T pump series, including standard, cold weather, surge brake, and electric brake configurations. As a direct OEM part, it is manufactured to the same specifications as the original, ensuring a correct, consistent fit within the pump assembly. Compatible across six APT-series configurations — including both skid-mounted APT4S models and all APT4T variants — this is the right part whether you're servicing a standard unit or a cold weather build. Keep your pump running at spec by replacing worn or damaged injection line components with the correct Wacker Neuson part.
Key Features
- OEM Flow Path Integrity — Manufactured to the original dimensional and material spec, maintaining proper fluid delivery through the injection circuit without risk of fitment gaps or seal mismatches.
- Drop-In Replacement — Engineered to connect directly within the existing pump assembly, matching original port sizing and routing geometry for a straightforward swap.
- Broad APT-Series Coverage — Fits APT4S (standard and cold weather skid) and APT4T (surge brake, electric brake, and cold weather variants), covering the full current APT pump lineup.
- Consistent Injection Performance — A correctly functioning injection pipe maintains steady, controlled fluid delivery; a cracked or degraded pipe can cause inconsistent pump output and accelerated wear on downstream components.
- Fuel System Integrity — As part of the injection circuit, this pipe plays a direct role in safe, leak-free operation — using the correct OEM component helps prevent unintended fluid exposure in the pump system.
The injection pipe routes fluid from the injection system into the pump mechanism, maintaining the precise flow path needed for consistent pump operation. A compromised pipe — whether cracked, corroded, or incorrectly sized — disrupts that flow, leading to uneven pump output or potential fluid leaks that can affect both performance and safety. Replacing it with the correct OEM part restores the original routing geometry and ensures the pump delivers fluid reliably across its full operating range.
Part Details
| Part Number | 5200020204 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Pipe |
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.
