The Wacker Neuson 5200021665 Adapter is a genuine OEM component designed for the APT6S, APT6T, APT8S, and APT8T series self-priming trash pumps. As a direct OEM replacement, this adapter is manufactured to the same specifications as the original part, ensuring a correct, confident installation without guesswork. Fitment spans the full APT6 and APT8 pump lineup, including surge brake, electric brake, skid-mount, and cold weather configurations. Verifying your model number against the fitment list below is always recommended before ordering.
Key Features
- Genuine OEM Construction — Manufactured to the same dimensional and material tolerances as the original adapter, ensuring correct port alignment and secure mechanical connection within the pump assembly.
- Direct Drop-In Replacement — Engineered to install in the same position and orientation as the factory original, with no reworking of surrounding components required.
- Broad APT Series Compatibility — Confirmed fitment across APT6S, APT6T, APT8T, and APT8S pumps in standard, cold weather, surge brake, electric brake, and skid-mount variants.
- Maintains Pump Flow Integrity — A correctly seated adapter preserves proper fluid routing through the pump; a worn or damaged adapter can cause pressure loss, leakage, or misalignment of connected components.
- Backed by Wacker Neuson OEM Parts Standards — Sourced directly through the Wacker Neuson authorized parts network, giving you confidence in part authenticity and long-term durability in demanding pump applications.
An adapter in a self-priming trash pump serves as the mechanical interface between two connected components within the pump's fluid or drive system, ensuring proper alignment, sealing, and transfer of flow or force. When an adapter becomes cracked, corroded, or dimensionally worn, it can compromise the integrity of the connection it bridges — leading to fluid loss, pressure drop, or accelerated wear on adjacent parts. Replacing a failed adapter promptly with a correctly specified part restores full pump function and protects surrounding components from secondary damage.
Part Details
| Part Number | 5200021665 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Adapter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6T Pump, Surge Brake, Cold Weather | APT6T CW | 5200019794, 5200019795 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
| APT8T Pump, Electric Brake | APT8T | 5200019649, 5200019648 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Electric Brake, Cold Weather | APT8T CW | 5200019797, 5200019796 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
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.
