The Multiquip 3052724 Bottom Diaphragm is a genuine OEM component designed for the D306, MQ-D306HA, and MQ-D305 diaphragm pump series. Sourced directly from Multiquip, this part meets the exact material and dimensional specifications of the original, ensuring a proper fit and consistent pumping performance. It is confirmed compatible with MQ diaphragm pump models and is the correct direct replacement for worn or damaged bottom diaphragms on these units.
Key Features
- OEM-Grade Diaphragm Material — manufactured to Multiquip's original material specification, delivering the correct flexibility and chemical resistance required for diaphragm pump operation.
- Direct-Fit Installation — matches the original mounting dimensions and bolt pattern, dropping straight into D306, MQ-D306HA, and MQ-D305 pump housings without modification.
- Confirmed Fitment — verified for D306, MQ-D306HA, and MQ-D305 MQ diaphragm pump models, eliminating compatibility guesswork at the point of repair.
- Restores Full Pumping Capacity — a worn or cracked bottom diaphragm causes loss of prime, reduced flow, and fluid bypass; replacing it with a correctly rated OEM diaphragm returns the pump to full operational output.
- Fluid Containment Integrity — the bottom diaphragm forms a critical seal between the fluid chamber and the drive mechanism; using an OEM-specification part maintains proper separation and prevents contamination of internal pump components.
The bottom diaphragm is the flexible membrane that forms the lower working surface of the pump's fluid chamber. As the diaphragm flexes back and forth, it draws fluid in through the inlet valve and expels it through the outlet valve — this reciprocating action is the core pumping mechanism in any diaphragm pump. Over time, exposure to abrasive slurries, chemicals, or simply wear cycles causes the diaphragm to crack, stiffen, or delaminate, resulting in loss of prime, reduced output, or complete pump failure. Replacing the bottom diaphragm with a correctly specified OEM part like the Multiquip 3052724 is the most direct way to restore full pump performance and protect the surrounding drive components from fluid intrusion.
Part Details
| Part Number | 3052724 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Bottom Diaphragm |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | D306 |
| MQ Diaphragm Pumps | MQ-D306HA |
| MQ Diaphragm Pumps | MQ-D305 |
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.
