The Honda 94109-20000 Drain Plug Washer (20mm) is a genuine OEM component designed for a wide range of Honda engines, power equipment, and outboard motors, including GX630, GX690, GXV530, BF115, EB10000, and many more. As a direct OEM replacement, this washer delivers the exact sealing performance Honda specifies for oil drain plug service. Because Honda supersedes parts across serial breaks, always confirm your unit's serial number against the fitment table before ordering.
Key Features
- Genuine OEM Sealing Performance — manufactured to Honda's specification for oil drain plug applications, ensuring a consistent, leak-free seal at every oil change interval
- Direct OEM Replacement — this 20mm washer installs exactly as the original, with no rework or adaptation needed at the drain plug
- Broad Honda Fitment — listed for Honda GX-series and GXV-series engines, GCV-series vertical shaft engines, BF-series outboard motors, EB generators, F-series tillers, H-series lawn and riding tractors, WA-series water pumps, and more — including GX630, GX800, GXV630, GXV690, BF150, and EB10000
- Serial Number Verification Recommended — Honda updates part specifications at serial number breaks; check your unit's serial number against the compatibility table to confirm this is the correct washer for your machine
- Prevents Oil Leaks at Service — a fatigued or missing drain plug washer allows oil to seep past the drain plug, leading to oil loss and potential engine or equipment damage; replacing it at each oil change is standard Honda service practice
The drain plug washer is a sealing gasket that sits between the oil drain plug and the oil pan or crankcase. Its job is to compress under the plug's clamping load and form a leak-free seal that keeps engine oil contained during operation. Over time and with repeated oil changes, the washer deforms and loses its ability to seal properly — a common cause of slow oil leaks at the drain plug. Replacing this washer with a genuine Honda part number 94109-20000 at every oil change is the simplest way to prevent oil loss and keep the drain plug area clean and dry.
Part Details
| Part Number | 94109-20000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Drain Plug Washer (20mm) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Commercial Mower | HRC7013, HRC7018, HRC7020, HRC7113 | All |
| Compact Tractor | H6522 | All |
| Generator | EB10000 | All |
| Horizontal Shaft Engine | GX440, GX630, GX660, GX690, GX700, GX800 | All |
| Lawn Mower | HR21, HRA21 | All |
| Lawn Tractor | H2013, H2113, H4013, H4514, H4518, HA4118, HA4120 | All |
| Multi-Purpose Tractor | H5013, H5518, RT5000 | All |
| Outboard Motor | BF60, BF75, BF90, BF115, BF135, BF140, BF150, BFP60 | All |
| Portable Outboard Motor | BF100 | All |
| Power Carrier | HP250 | All |
| Riding Mower | H1011, H3011, H3013 | All |
| Tiller | F200 | 1018056-9999999 |
| Tiller | F210, F220 | All |
| Vertical Shaft Engine | GCV520, GCV530, GV150, GV400, GXV270, GXV340, GXV390, GXV520, GXV530, GXV610, GXV620, GXV630, GXV660, GXV670, GXV690 | All |
| Water Pump | WA20, WA30 | 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.
