The Wacker Neuson Rotary Shaft Seal is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrator and the L5000/225 ISO and L5000/225 ANSI internal concrete vibrator series. Sourced directly from Wacker Neuson, part number is manufactured to the same specification as the original seal fitted at the factory. This seal is a direct-fit replacement that installs into the same position as the original, requiring no modification to the housing or shaft. Keeping this seal in serviceable condition is essential to maintaining proper vibrator output and protecting internal components from contamination.
Key Features
- Genuine OEM Sealing Material — Manufactured to Wacker Neuson's original compound and dimensional specification, ensuring the correct compression and contact pressure against the rotating shaft.
- Direct-Fit Replacement — Seats into the original housing bore without machining or adaptation, matching the installed profile of the factory seal on these vibrator units.
- Confirmed Fitment — Verified for the D4000 Diesel Power Unit, L5000/225 ISO, and L5000/225 ANSI internal concrete vibrator models.
- Protects Internal Drive Components — A properly seated rotary shaft seal prevents fluid loss and blocks moisture and concrete slurry from migrating into the drive assembly, extending the service life of internal components.
- Critical Leak Prevention — A worn or damaged shaft seal allows lubricant to escape and contaminants to enter, leading to accelerated wear of bearings and drive components and potential vibrator failure mid-pour.
A rotary shaft seal forms a dynamic barrier between a rotating shaft and its stationary housing, containing lubricant within the assembly while blocking external contaminants from entering. In internal concrete vibrators such as the D4000 and L5000/225 series, the shaft seal is subjected to continuous rotational stress and exposure to moisture and abrasive material during operation. When this seal wears or fails, lubricant escapes the drive assembly, friction increases, and concrete slurry can infiltrate the unit — ultimately causing premature bearing failure and loss of vibration output. Replacing the seal at the first sign of leakage is the most effective way to protect the broader drive assembly.
Part Details
| Part Number | 5000103698 |
|---|---|
| Old Part Number | 0103698 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rotary Shaft Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
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.