The Wacker Neuson Sealing Plug is a genuine OEM component designed for the IRFU, ARFU, and FUflex series internal concrete vibrators. As a direct factory replacement, this sealing plug meets the original design specifications for the full range of IRFU30, IRFU38, IRFU45, IRFU58, and IRFU65 models across 120 V and 230 V variants, as well as ARFU26 and FUflex4 units. Sourced directly from Wacker Neuson, part ensures you are installing the exact component the machine was built around. Keep a spare on hand to avoid unnecessary interruptions during active concrete pours.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original closure tolerances, ensuring the plug forms a proper barrier against moisture and debris intrusion inside the vibrator housing.
- Drop-In Housing Fit — Engineered to seat directly into the same port as the original plug with no rework or modification to the vibrator body required.
- Broad Series Compatibility — Covers IRFU30, IRFU38, IRFU45, IRFU58, and IRFU65 models in both 230 V and 120 V UK configurations, plus ARFU26 and FUflex4/230 and FUflex4/120 units.
- Protects Internal Components — A properly seated sealing plug prevents contamination from reaching the motor and drive internals, where moisture or slurry ingress can cause premature failure.
- Electrical Safety Compliance — On electrically powered internal vibrators, maintaining an intact seal is critical to preventing moisture from reaching live components — using the correct OEM plug supports the unit's protection rating.
A sealing plug closes off an access or service port in the vibrator's housing, keeping contaminants such as water, cement slurry, and dust from entering the internal motor or drive assembly during operation. On internal concrete vibrators like the Wacker Neuson IRFU and FUflex series, this type of plug plays a direct role in maintaining the unit's environmental protection rating, which is essential when the head is submerged in wet concrete. When the plug is missing, damaged, or improperly seated, the risk of moisture ingress rises sharply, which can degrade insulation, corrode internal components, and lead to motor failure well ahead of the unit's expected service life.
Part Details
| Part Number | 5100045070 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Sealing Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| IRFU45/230/5 | IRFU45/230/5 | 5000610024 |
| IRFU38/230/5 | IRFU38/230/5 | 5000610025 |
| IRFU65/230/5 | IRFU65/230/5 | 5000610104 |
| IRFU38/230/5 CH | IRFU38/230/5 CH | 5000610245 |
| IRFU38/230/5GV | IRFU38/230/5GV | 5000610247 |
| IRFU45/230/5 CH | IRFU45/230/5 CH | 5000610253 |
| IRFU45/230/5GV | IRFU45/230/5GV | 5000610255 |
| IRSE-FU45/230 | IRSE-FU45/230 | 5000610256 |
| IRFU65/230/5 CH | IRFU65/230/5 CH | 5000610290 |
| IRFU30/230/5 | IRFU30/230/5 | 5000008959 |
| IRFU58/230/5 | IRFU58/230/5 | 5000610007 |
| IRFU58/230/5 CH | IRFU58/230/5 CH | 5000610263 |
| IRFU58/230/5GV | IRFU58/230/5GV | 5000610265 |
| IRSE-FU58/230 | IRSE-FU58/230 | 5000610267 |
| IRFU30/230/5 CH | IRFU30/230/5 CH | 5000610278 |
| IRFU45/120/5 UK | IRFU45/120/5 UK | 5000610097 |
| IRFU38/120/5 UK | IRFU38/120/5 UK | 5000610099 |
| IRFU58/120/5 UK | IRFU58/120/5 UK | 5000610008 |
| IRFU30/120/5 UK | IRFU30/120/5 UK | 5000610101 |
| IRFU65/120/5 UK | IRFU65/120/5 UK | 5000610105 |
| IRFU65/230/10 | IRFU65/230/10 | 5100008878 |
| IRFU65/230/5GV | IRFU65/230/5GV | 5100015351 |
| FUflex4/230 | FUflex4/230 | 5100021653 |
| ARFU26/6/120 US | ARFU26/6/120 US | 5100004244 |
| IRFU45/230/10 | IRFU45/230/10 | 5100008834 |
| IRFU58/230/10 | IRFU58/230/10 | 5100008835 |
| IRFU38/230/10 | IRFU38/230/10 | 5100008871 |
| IRFU30/230/10 | IRFU30/230/10 | 5100008877 |
| IRFU38/120/10 UK | IRFU38/120/10 UK | 5100008934 |
| IRFU45/120/10 UK | IRFU45/120/10 UK | 5100008935 |
| IRFU58/120/10 UK | IRFU58/120/10 UK | 5100008936 |
| IRSE-FU45/230 Laser | IRSE-FU45/230 Laser | 5100019680 |
| IRSE-FU58/230Laser | IRSE-FU58/230Laser | 5100019681 |
| IRFU65/230/15 | IRFU65/230/15 | 5100040888 |
| ARFU26/6/230 | ARFU26/6/230 | 5100004243 |
| ARFU26/6/115 | ARFU26/6/115 UK | 5100004245 |
| IRFU30/230/15 | IRFU30/230/15 | 5100040884 |
| IRFU38/230/15 | IRFU38/230/15 | 5100040885 |
| IRFU45/230/15 | IRFU45/230/15 | 5100040886 |
| IRFU58/230/15 | IRFU58/230/15 | 5100040887 |
| IRFU38/120/15 UK | IRFU38/120/15 UK | 5100040889 |
| IRFU45/120/15 UK | IRFU45/120/15 UK | 5100040890 |
| IRFU58/120/15 UK | IRFU58/120/15 UK | 5100040891 |
| IRFU65/120/15 UK | IRFU65/120/15 UK | 5100040892 |
| FUflex4/230 CH | FUflex4/230 CH | 5100025401 |
| FUflex4/120, 120 V | FUflex4/120 UK | 5100025402 |
| FUflex4/120 | FUflex4_120 US | 5100025403 |
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.