The Wacker Neuson Stud is a genuine OEM component designed for the APT4S and APT4T pump series, including standard, surge brake, electric brake, and cold weather configurations. As a factory-sourced part, is manufactured to the exact specifications Wacker Neuson engineers built into these pumps, ensuring a direct, dependable replacement every time. This stud fits across the full range of APT4S and APT4T variants, making it a versatile replacement for fleet operators running multiple pump configurations. When you need the right part the first time, sourcing genuine OEM hardware like the removes the guesswork.
Key Features
- Genuine OEM Thread Integrity — Manufactured to the exact thread pitch and grade specification used in original Wacker Neuson pump assembly, preventing cross-threading or fastener fatigue.
- Direct Drop-In Replacement — Installs exactly as the original stud, with no reworking of mounting points or mating hardware on APT4S and APT4T pump assemblies.
- Broad APT Series Compatibility — Fits APT4S Pump with Skid, APT4T Pump with Surge Brake, APT4T Pump with Electric Brake, and all corresponding cold weather variants.
- Maintains Pump Structural Integrity — A correctly torqued, properly sized stud keeps critical pump components secured under load; a worn or failed stud can cause misalignment, vibration, and component separation.
- Fastener-Grade Consistency — Sourced directly from Wacker Neuson, this stud matches the hardness and material grade of the original hardware, holding up to the stress cycles typical of pump operation.
A stud is a headless threaded fastener used to secure two or more components together, typically by threading into a fixed base and accepting a nut on the exposed end. In pump assemblies like the APT4S and APT4T, studs are commonly used to mount covers, flanges, or structural panels under consistent clamping load. When a stud stretches, strips, or breaks, it compromises the clamping force holding the assembly together — leading to leaks, vibration damage, or component failure that takes the machine out of service.
Part Details
| Part Number | 5200019996 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Stud |
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.
