The Multiquip 337009001 Gear Box Output Half is a genuine OEM component designed for MQD2HA and MQD3HA diaphragm pumps. As a direct factory replacement, this part matches the original specification exactly, ensuring proper engagement with the gear train and correct power transfer to the pump diaphragm mechanism. Sourced directly through authorized Multiquip supply channels, the 337009001 is the right part for operators who need a dependable, fit-verified solution for their diaphragm pump rebuild or repair.
Key Features
- Genuine OEM Construction: — Machined to Multiquip's original tolerancing for the gear box assembly, ensuring proper mesh, load distribution, and gear engagement within the output shaft housing.
- Drop-In Replacement: — Replaces the worn or damaged output half of the gear box without modification, mating directly to the existing gear box housing and input components on compatible models.
- Confirmed Fitment: — Verified for MQD2HA and MQD3HA diaphragm pumps; always cross-reference part number 337009001 against your model and serial plate before ordering.
- Restores Full Drive Output: — A worn or cracked gear box output half causes loss of rotational force to the diaphragm drive, resulting in reduced pump output or complete pump failure; replacing it restores full pumping capacity.
- Protects Surrounding Components: — A compromised output half can accelerate wear on mating gears and bearings; installing a fresh OEM component helps preserve the integrity of the broader gear box assembly.
The gear box output half is a core drivetrain component within the diaphragm pump's gear box assembly. It transfers rotational power from the internal gear train to the eccentric drive mechanism that actuates the pump diaphragm, creating the alternating pressure needed to move fluid. When this component cracks, chips, or wears at the gear teeth, the pump loses the mechanical advantage required to drive the diaphragm consistently, leading to reduced flow rates, erratic pumping, or a complete stoppage of fluid movement.
Part Details
| Part Number | 337009001 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Gear Box Output Half |
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.
