The Wacker Neuson Injection Pipe is a genuine OEM injection pipe 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 component, ensuring a correct, drop-in fit with no guesswork. Compatible across the full APT4S and APT4T lineup — including APT4S Pump with Skid, APT4T Pump with Surge Brake, APT4T Pump with Electric Brake, and all corresponding cold weather variants — this is the part your pump was built to run with. When you need to restore your Wacker Neuson pump to proper working order, sourcing genuine OEM means the part is right the first time.
Key Features
- OEM-Matched Flow Path Geometry — Manufactured to original injection pipe dimensions, ensuring correct fluid delivery alignment and consistent output pressure in the pump system.
- Direct Drop-In Replacement — Connects and seats exactly as the original, with no trimming, adapting, or reworking of surrounding components required for installation.
- Broad APT Series Coverage — Fits the full APT4S and APT4T pump range, including standard, cold weather, surge brake, and electric brake variants across all documented configurations.
- Sustained Injection Consistency — A sound injection pipe maintains steady, uninterrupted fluid flow; a cracked, blocked, or deteriorated pipe causes inconsistent output, air ingestion, and potential pump damage.
- Fuel System Integrity — In fuel-side applications, a correctly seated injection pipe prevents leaks and maintains the sealed delivery path critical for safe, compliant pump operation.
The injection pipe is a fluid delivery component that channels liquid from one point in the pump system to the injection point — maintaining flow direction, pressure, and sealing along that path. When functioning correctly, it ensures the pump delivers a consistent, uninterrupted output; when worn, cracked, or incorrectly seated, it can introduce air into the system, cause pressure loss, or allow fluid to escape the intended flow path. Keeping this component in good condition is essential to maintaining both pump performance and operational safety.
Part Details
| Part Number | 5200020202 |
|---|---|
| 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.