The Honda Q14-0001-193 Pinion Bearing is a genuine OEM component designed for the WDP30 diaphragm water pump. As an authentic Honda part, it is manufactured to the same specifications as the original, ensuring a direct, correct-fit replacement when the time comes to service the pump's internal drive assembly. If you're tracing bearing wear or noise back to this component, confirm your unit's serial number against the fitment table before ordering — Honda supersedes parts at production breaks, and part number Q14-0001-193 covers specific serial ranges of the WDP30.
Key Features
- Genuine OEM Bearing Quality — sourced directly from Honda, this bearing meets the load and rotational demands of the WDP30's reciprocating drive mechanism, where consistent tolerance is critical to smooth operation.
- Direct OEM Replacement — designed as a drop-in service part for the WDP30 diaphragm water pump, restoring the drive assembly to its original operating condition.
- Serial Number Verification Recommended — Honda updates parts at production milestones, so cross-check your pump's serial number against the fitment table to confirm part number Q14-0001-193 is correct for your unit.
The pinion bearing supports the rotating pinion shaft within the WDP30's internal drive assembly, allowing the crankshaft-driven mechanism to convert rotational motion into the reciprocating stroke that moves the diaphragm. Because the diaphragm's pumping action depends entirely on consistent, low-friction motion at this point in the drivetrain, a worn or failed bearing introduces play and resistance that degrades pump output and accelerates wear on surrounding components. Replacing the bearing at the first sign of noise or roughness keeps the pump's flow rate and pressure performance where they need to be.
Part Details
| Part Number | Q14-0001-193 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Pinion Bearing |
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.