The Wacker Neuson Retainer is a genuine OEM component designed for the PDT3A, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) pump series. As a direct OEM replacement, it carries the same specifications and tolerances as the original part that left the factory — so you're installing with confidence, not guesswork. This retainer is a verified fit across multiple Wacker Neuson diaphragm pump configurations, making it the right choice whether you're servicing a PDI3A or maintaining a PDT2A on a busy site. Keep part number on hand and you're ready to get your pump back in service fast.
Key Features
- OEM Dimensional Accuracy — Manufactured to exact Wacker Neuson tolerances, ensuring the retainer seats and holds with the correct clamping force for diaphragm pump operation.
- Drop-In Compatibility — Designed to install directly in place of the original, with no rework or adjustment needed during reassembly.
- Broad Pump Series Coverage — Confirmed fit for the PDT3A, PDI3A, PDI3A(I) Pump Diaphragm, PDT2A, and PDI2A(I) Pump models.
- Maintains Pump Integrity — A correctly seated retainer keeps internal diaphragm components properly aligned and contained; a worn or missing retainer can lead to pump leaks, loss of prime, and accelerated wear on surrounding parts.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain, so the part number, fitment, and construction match the original specification exactly.
A retainer in a diaphragm pump serves to secure and locate key internal components — such as the diaphragm or valve assembly — within their correct operating position. Without it, components can shift under the pressure cycles the pump generates, causing leaks, loss of suction, or uneven diaphragm wear that shortens service life. Replacing a failed or damaged retainer restores the structural integrity of the pump's fluid end and allows the machine to build and hold prime the way it was designed to.
Part Details
| Part Number | 5100075626 |
|---|---|
| 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.
