The Honda 78104-YG3-610 Outlet (NPTF) is a genuine OEM part designed for the WB20 water pump. As a direct Honda replacement, this outlet is the correct choice when the discharge port on your pump is damaged, cracked, or leaking — restoring the sealed, pressure-tight connection the pump relies on to move water efficiently. Confirm your unit's serial number against the fitment table to ensure part number 78104-YG3-610 is the right match for your machine.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this outlet meets the exact specifications of the original part, ensuring a proper seal at the discharge port of the WB20 water pump.
- NPTF Thread Form — the National Pipe Taper Fuel (NPTF) thread form is engineered for a dry, pressure-tight seal, making thread engagement critical to leak-free pump discharge performance.
- Direct Replacement — fits WB20 water pumps as a drop-in replacement for the original outlet, with no reworking of the discharge plumbing required.
- Serial Number Verification Recommended — Honda updates parts at production breaks, so check your pump's serial number against the compatibility table before ordering to confirm this is the correct outlet for your unit.
The outlet is the discharge port fitting through which pressurized water exits the pump housing and enters the connected hose or piping system. On a centrifugal pump like the WB20, the impeller drives water from the inlet through the volute and out through this outlet under pressure — a cracked or stripped outlet fitting causes discharge leaks that reduce flow, drop output pressure, and can render the pump unable to deliver water to its intended destination. Replacing a damaged outlet restores the integrity of the discharge connection and returns the pump to full working capacity.
Part Details
| Part Number | 78104-YG3-610 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Outlet (NPTF) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Water Pump | WB20 | 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.
