The Multiquip 337002000 Diaphragm Retainer Plate is a genuine OEM component designed for MQD2HA and MQD3HA diaphragm pumps. Sourced directly from Multiquip, this retainer plate meets the exact specifications of the original part, ensuring a correct, secure fit within the pump assembly. Verified compatibility with MQD2HA and MQD3HA models makes this the straightforward choice when servicing your Multiquip diaphragm pump.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specifications, ensuring the retainer plate seats and clamps the diaphragm with the correct clamping load.
- Direct Drop-In Replacement — Matches the original bolt pattern and plate geometry of the MQD2HA and MQD3HA pump assemblies for a straightforward swap during service.
- Confirmed Fitment — Verified for use on MQD2HA and MQD3HA Multiquip diaphragm pumps.
- Sustained Pump Output — A properly seated retainer plate holds the diaphragm flat and evenly tensioned, preserving consistent flow rate and suction performance across pump cycles.
- Leak Prevention — Correct clamping tension from an undamaged retainer plate is essential to maintaining a fluid-tight seal at the diaphragm face, preventing bypass and pump failure.
The diaphragm retainer plate is a structural clamping component that holds the flexible diaphragm firmly in position within the pump head. It distributes clamping force evenly across the diaphragm's mounting perimeter, which is critical to forming a leak-free seal and allowing the diaphragm to flex correctly through each stroke. When the retainer plate is cracked, warped, or improperly secured, the diaphragm can shift, distort, or leak — resulting in lost prime, reduced flow, and accelerated diaphragm wear.
Part Details
| Part Number | 337002000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diaphragm Retainer Plate |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diaphragm Pumps | MQD2HA |
| Diaphragm Pumps | MQD3HA |
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.
