The Wacker Neuson Washer is a genuine OEM component designed for the PDT and PDI series diaphragm pumps, including the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) models. As a factory-sourced part, the is manufactured to the exact specifications required by Wacker Neuson for these pump families. This washer is confirmed to fit across multiple machine numbers in both the PDT and PDI lineups, making it the straightforward choice when servicing any of these diaphragm pump models. Order with confidence knowing this is the correct OEM part for your machine.
Key Features
- Genuine OEM Tolerancing — Manufactured to Wacker Neuson's exact dimensional spec, ensuring the washer seats and loads correctly within the pump assembly without slop or mismatch.
- Drop-In Installation — Designed as a direct swap for the original hardware; fits the same mounting position and stack-up as the factory washer it replaces.
- Broad PDT/PDI Series Coverage — Verified fitment across the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) diaphragm pump models.
- Protects Sealing Surfaces — A correctly sized washer distributes fastener load evenly, preventing distortion or damage to the pump's mating surfaces that can lead to leaks or premature seal failure.
- Sourced Direct from Wacker Neuson — Carrying the genuine OEM part number 5000179853 ensures you receive the same hardware that left the factory with the machine.
A washer may be a small component, but it plays a critical role in maintaining proper clamping force and load distribution across fastened joints within the diaphragm pump assembly. In a pump environment, uneven or insufficient load distribution can cause housing distortion, fastener loosening under vibration, or damage to gaskets and sealing faces — any of which can result in fluid leaks or loss of pump performance. Replacing a worn, deformed, or missing washer with the correct OEM part restores the integrity of the fastened joint and helps the pump maintain consistent output and a leak-free seal.
Part Details
| Part Number | 5000179853 |
|---|---|
| Old Part Number | 0179853 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769, 5100075510 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772, 5100075511 |
| PDT3A | PDT3A | 5000620773, 5100075507 |
| PDT3 | PDT3 | 5000620774 |
| PDI3A | PDI3A | 5000620775, 5100075508 |
| PDI3A(I) | PDI3A(I) | 5000620776, 5100075509 |
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.
