The Wacker Neuson Lock Washer is a genuine OEM component designed for the PDT2A, PDT2, and PDI2A(I) diaphragm pump series. As a factory-sourced part, it matches the original specification exactly, ensuring the correct engagement and retention performance required in these pumps. This lock washer is verified for use across the PDT2A, PDT2 Pump Diaphragm, and PDI2A(I) models, making it a straightforward like-for-like replacement when servicing or reassembling the fastener assembly.
Key Features
- Genuine OEM Material Grade — Sourced directly from Wacker Neuson, this lock washer meets the original hardness and spring-tension spec required to maintain secure fastener retention in diaphragm pump assemblies.
- Drop-In Replacement — Sized and formed to seat correctly on the original fastener stack without reworking or shimming during reassembly.
- Confirmed Fitment — Verified for the PDT2A, PDT2, and PDI2A(I) diaphragm pump models within the Wacker Neuson pump lineup.
- Fastener Security Under Vibration — Lock washers in pump applications are subject to continuous vibration loads; a correctly spec'd washer prevents fastener back-out that can lead to leaks or structural loosening.
- Part Number Confidence — Ordering by part number 5000179870 ensures you receive the correct washer profile and dimensions for these specific Wacker Neuson pump models.
A lock washer sits beneath a bolt or nut to resist loosening caused by vibration, torque cycling, and mechanical movement. In diaphragm pump applications like the PDT2A and PDT2 series, fasteners throughout the pump housing and diaphragm assembly are exposed to constant reciprocating forces — a worn or missing lock washer allows fasteners to gradually back out, which can result in fluid leaks, misalignment, or component separation. Replacing a fatigued or damaged lock washer with the correct OEM part restores the clamping integrity of the fastener joint and keeps the pump assembly properly secured during operation.
Part Details
| Part Number | 5000179870 |
|---|---|
| Old Part Number | 0179870 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772 |
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.
