The Honda Q14-0001-201 Shaft (1:43 W/Helical Teeth) is a genuine OEM replacement component designed for WDP30 diaphragm water pumps. Sourced directly from Honda, this shaft is manufactured to the same specifications as the original, ensuring a correct fit without modification. This is the exact part to reach for when the original shaft shows wear, damage, or needs replacing as part of a scheduled overhaul of the pump's drive system.
Key Features
- Genuine OEM Drive Integrity — manufactured by Honda to match the original shaft's helical tooth geometry and 1:43 ratio, ensuring the drive mechanism engages as designed in the WDP30.
- Exact-Match Replacement — this shaft drops into the WDP30 diaphragm water pump using the original mounting configuration, with no alterations needed to the surrounding components.
- Confirmed WDP30 Fitment — verify your pump's serial number against the fitment table before ordering, as Honda periodically supersedes drive components at production breaks.
- Critical to Pump Output — a worn or damaged shaft disrupts the conversion of engine power into diaphragm reciprocation, directly reducing flow rate and pumping consistency.
In a diaphragm water pump such as the WDP30, the drive shaft transmits rotational power from the engine into the crank mechanism that moves the diaphragm back and forth. When the shaft wears or its helical teeth degrade, the drive becomes inconsistent, leading to reduced pumping efficiency or complete loss of flow.
Part Details
| Part Number | Q14-0001-201 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Shaft (1:43 W/Helical Teeth) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Diaphragm Water Pump | WDP30 | All |
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.