The Wacker Neuson Lock Nut is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrators and the L5000/225 ISO and L5000/225 ANSI internal concrete vibrator models. As a direct manufacturer-sourced part, it is manufactured to the exact specifications used in original production, ensuring consistent fit and dependable performance across all listed models. This is the correct OEM replacement when a worn or missing lock nut needs to be swapped out quickly and accurately on these Wacker Neuson internal vibrator units.
Key Features
- Genuine OEM Thread and Torque Specification — Manufactured to the exact thread pitch and locking geometry specified for these internal vibrator assemblies, so clamping force and retention behave exactly as intended at the factory.
- Drop-In Replacement — Designed to install directly in place of the original hardware with no reworking of mating threads or adjacent components required.
- Confirmed Fitment — Compatible with the D4000 Diesel Power Unit for Internal Vibrators, L5000/225 ISO, and L5000/225 ANSI models.
- Maintains Vibrator Assembly Integrity — A correctly torqued lock nut keeps critical rotating or clamped components secured under continuous vibration load, preventing loosening during operation.
- Fuel and Vibration Resistant Hardware — Sourced as an OEM part, this lock nut is suited to the operating environment inside concrete vibrator power units where heat, vibration, and exposure to fluids are constant factors.
A lock nut is a fastener engineered to resist loosening under sustained vibration and dynamic load — conditions that would cause a standard nut to back off over time. In concrete vibrator power units and drive assemblies, certain shafts, bearings, and housings rely on lock nuts to maintain precise clamping and positional retention during operation. When a lock nut wears, strips, or is lost during service, the components it secures can shift or become loose, leading to increased play, accelerated wear on adjacent parts, or complete loss of drive function. Replacing it with the correct OEM part restores the designed level of retention and protects the surrounding assembly.
Part Details
| Part Number | 5000103707 |
|---|---|
| Old Part Number | 0103707 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
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.
