The Wacker Neuson Retainer is a genuine OEM component designed for the PDT3A, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) pump series. As a factory-sourced part, it meets the same dimensional and material standards as the original, ensuring a drop-in fit with no guesswork at the bench. This Retainer is the correct specification for these Wacker Neuson diaphragm pump models, giving you confidence that you are ordering the right part the first time. Whether you are completing a scheduled service or addressing a worn component, the keeps your pump running to spec.
Key Features
- Genuine OEM Material Integrity — Manufactured to Wacker Neuson's original material and dimensional spec, so the Retainer holds its position and load under repeated pump cycling without deforming or backing out.
- Direct Drop-In Replacement — Matches the original mounting interface exactly, allowing straightforward installation without machining, shimming, or adapter hardware.
- Broad Pump Series Coverage — A single part number covers the PDT3A, PDI3A, PDI3A(I) Pump Diaphragm, PDT2A, and PDI2A(I) Pump models, making it a practical stocking item for fleets running multiple Wacker Neuson pump variants.
- Protects Diaphragm Alignment — A correctly seated Retainer keeps the diaphragm properly positioned during each stroke; a loose or worn Retainer allows movement that accelerates diaphragm wear and can lead to pump failure.
- Verified OEM Part Number — Part number 5100075627 is sourced directly through the Wacker Neuson parts network, so you receive the exact component specified for these models — not a generic substitute.
A Retainer in a diaphragm pump secures the diaphragm assembly in its seated position, preventing axial movement during the compression and suction strokes that drive fluid through the pump. By holding the diaphragm firmly against its mating surfaces, the Retainer ensures consistent stroke volume and an effective seal between the fluid and mechanical sides of the pump. When a Retainer wears, cracks, or loses clamping force, the diaphragm can shift, reducing pump output, causing inconsistent priming, and ultimately shortening the service life of the diaphragm itself.
Part Details
| Part Number | 5100075627 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Retainer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT3A | PDT3A | 5100075507 |
| PDI3A | PDI3A | 5100075508 |
| PDI3A(I) PUMP DIAPHRAGM | PDI3A(I) | 5100075509 |
| PDT2A | PDT2A | 5100075510 |
| PDI2A(I) PUMP | PDI2A(I) | 5100075511 |
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.
