The Multiquip 3053301 11 T Pinion is a genuine OEM component designed for MQ-D305 and D306 diaphragm pumps. Sourced directly from Multiquip, this pinion gear is built to the exact specifications required by the drive system in these pumps. Correct fitment to the MQ-D305 and D306 is confirmed, making this a direct, confidence-ready replacement for worn or damaged units. DHS Equipment supplies this part as an authorized Multiquip OEM replacement, so you can be confident you are installing the correct component.
Key Features
- Genuine OEM Gear Geometry — Manufactured to the exact tooth count and pitch specified for the MQ-D305 and D306 drive train, ensuring proper mesh and load transfer.
- Direct Drive System Fit — Drops into the existing gear assembly without modification, aligning precisely with the mating components in the pump's drive mechanism.
- Confirmed Fitment — Verified for MQ-D305 and D306 Multiquip diaphragm pump models.
- Sustained Pumping Output — A correctly functioning pinion maintains consistent drive speed and stroke rate, preserving the pump's rated flow performance across continuous operation.
- Durable Tooth Profile — OEM material grade and tooth profile resist wear under the cyclic loading typical of diaphragm pump drive systems, extending service intervals.
The pinion gear is a core element of a diaphragm pump's mechanical drive system. It transfers rotational power from the motor or engine to the eccentric or crankshaft mechanism that drives the diaphragm back and forth, creating the pumping action. When a pinion wears down or loses teeth, drive efficiency drops, stroke rate becomes irregular, and flow output decreases — eventually leading to complete pump failure if left unaddressed. Replacing a worn pinion with the correct OEM part restores proper drive engagement and protects the surrounding gear components from accelerated wear.
Part Details
| Part Number | 3053301 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | 11 T Pinion |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | D306 |
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.
