The Multiquip 3052726 Diaphragm is a genuine OEM replacement built for MQ-D305, D306, and MQ-D306HA diaphragm pumps. As a direct OEM part, it meets the original design specifications for material grade and flex durability required in demanding pump applications. Verified fitment covers the MQ-D305, D306, and MQ-D306HA models, so you can order with confidence that this is the correct component for your equipment. DHS Equipment stocks this part to keep your pump operating at full capacity.
Key Features
- OEM-Grade Flex Material — Manufactured to the original compound and thickness spec, ensuring the correct flex cycle performance and pressure seal integrity for diaphragm pump service.
- Drop-In Installation — Engineered to the same bolt pattern and seat geometry as the original, allowing straightforward installation without modification to the pump housing.
- Confirmed Fitment — Direct replacement for MQ-D305, D306, and MQ-D306HA Multiquip diaphragm pumps.
- Maintains Full Flow Capacity — A properly functioning diaphragm sustains consistent discharge volume and pressure; a cracked or fatigued diaphragm causes loss of prime, reduced output, and fluid bypass.
- Fluid Containment Integrity — In pump applications, a failed diaphragm can allow pumped media to enter the air chamber, causing internal contamination and accelerated wear to surrounding components — making timely replacement critical.
The diaphragm is the heart of a diaphragm pump, flexing back and forth to draw fluid into the pump chamber on the intake stroke and force it out through the discharge port on the pressure stroke. This reciprocating action creates the suction and pressure needed to move fluid continuously. When the diaphragm develops cracks, tears, or loses elasticity from age and wear, the pump loses prime, output pressure drops, and fluid can migrate into areas of the pump it should never reach — leading to broader mechanical damage if left unaddressed.
Part Details
| Part Number | 3052726 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | D306 |
| MQ Diaphragm Pumps | MQ-D306HA |
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.