The Multiquip 335414000 Output Shaft is a genuine OEM component designed for MQD2H, MQD3H, MQD2HA, and MQD3HA diaphragm pumps. As a direct OEM replacement, it meets the original engineering specifications that Multiquip built these pumps to perform at. Whether you are restoring a pump that has logged serious hours or completing a scheduled drivetrain service, part number 335414000 gives you a straight factory-sourced swap. Sourced through DHS Equipment, this shaft is the dependable choice for contractors who cannot afford pump downtime on the job.
Key Features
- Genuine OEM Drive Accuracy — Manufactured to Multiquip's original tolerances, ensuring the shaft transmits engine torque to the pump mechanism without slippage, vibration, or premature wear.
- Direct Drop-In Installation — Engineered to the same dimensions and interface specs as the original shaft, so it seats and torques correctly within the diaphragm pump drivetrain without reworking the housing or mating components.
- Confirmed Fitment for MQD Series Diaphragm Pumps — Verified compatible with MQD2H, MQD3H, MQD2HA, and MQD3HA models, covering both standard and high-volume configurations in the MQD diaphragm pump family.
- Sustained Pump Output — A correctly functioning output shaft maintains consistent stroke delivery to the diaphragm. A worn or damaged shaft causes erratic flow, pressure drop, and accelerated wear on surrounding drivetrain components.
- OEM Part Number Assurance — Ordering by Multiquip part number 335414000 eliminates guesswork and cross-reference errors, putting the correct shaft in your hands the first time.
The output shaft in a diaphragm pump transfers rotational power from the engine to the eccentric mechanism that drives the diaphragm back and forth. That reciprocating motion is what creates the suction and discharge action that moves fluid through the pump. When the output shaft is worn, bent, or damaged, the eccentric motion becomes inconsistent, leading to reduced flow rates, uneven discharge pressure, and stress on the diaphragm itself. Replacing the shaft with a genuine Multiquip OEM component restores the mechanical integrity of the drive system and protects the surrounding pump assembly from secondary wear.
Part Details
| Part Number | 335414000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Output Shaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diaphragm Pumps | MQD2H |
| Diaphragm Pumps | MQD3H |
| 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.
