The Wacker Neuson Washer is a genuine OEM replacement built for PT4A and PT4A(I) series trash pumps. Sourced directly from Wacker Neuson, this washer meets the exact specifications used in original production, ensuring a consistent, correct fit every time. Compatible across multiple PT4A configurations, is the right part to reach for when servicing these pumps. Keep a spare on hand to stay ahead of routine maintenance and avoid delays in the field.
Key Features
- OEM-Grade Material and Tolerancing — Manufactured to the same dimensional and material standards as the original, ensuring the washer seats and bears load exactly as designed for this pump series.
- Drop-In Replacement — Engineered to install in the same position and orientation as the factory part, with no reworking of mating components required.
- Confirmed PT4A and PT4A(I) Fitment — Verified for use across PT4A and PT4A(I) series trash pumps, covering multiple production configurations within those model families.
- Proper Load Distribution — A correctly fitted washer evenly distributes clamping force across fastened joints, preventing surface damage, fastener loosening, and premature wear on surrounding components.
- Genuine Wacker Neuson Part — Backed by Wacker Neuson's OEM supply chain, so you're getting the same component that left the factory — not an approximation of it.
A washer serves as a bearing surface between a fastener and the component it secures, spreading the load of the fastening force over a wider area to prevent damage to softer surfaces and maintain consistent clamping pressure. In pump applications, where vibration and operational stress are constant, a worn or missing washer can allow fasteners to work loose, leading to leaks, misalignment, or accelerated wear on adjoining parts. Replacing a damaged or missing washer with the correct OEM part restores the integrity of the fastened joint and keeps the assembly performing as intended.
Part Details
| Part Number | 5100044576 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT4A | PT4A | 5100042217, 5100042604 |
| PT4A(I) | PT4A(I) | 5100042615 |
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.