The Wacker Neuson Valve Lifter is a genuine OEM component designed for the MG5 portable generator series, MDP3 trash pumps, MPU 29 reversible plates, ML440 light towers, and MG5sd and MG5d variants. As a direct Wacker Neuson OEM part, the is manufactured to the exact tolerances required by the engine assemblies found across these machine families. This Valve Lifter ensures correct valve actuation and consistent engine timing, making it a straightforward like-for-like replacement when the original component shows wear or failure. Sourced directly through authorized channels, this part carries the confidence of genuine Wacker Neuson fitment accuracy.
Key Features
- Exact Valve Timing Tolerances: — Manufactured to OEM specification for precise lift height and contact geometry, ensuring correct valve actuation on every engine cycle.
- Genuine OEM Part: — Sourced directly from Wacker Neuson, this is not a substitute or approximation — it is the same part installed at the factory.
- Broad Cross-Series Fitment: — Compatible with MG5 and MG5sd portable generators, MDP3 trash pumps, MPU 29 reversible plates, and ML440 light towers across multiple build configurations.
- Protects Engine Valve Train Integrity: — A worn or damaged valve lifter causes erratic valve operation, rough running, loss of compression, and accelerated camshaft wear — replacing it promptly preserves engine health.
- Drop-In Engine Replacement: — Matches the original part geometry and mounting interface, allowing straightforward installation during routine engine service or top-end rebuild work.
A valve lifter — also known as a tappet — sits between the camshaft and the valve stem within the engine, translating the rotational movement of the cam lobe into the up-and-down motion that opens and closes the intake and exhaust valves. When the lifter is worn, pitted, or out of specification, valve timing becomes inconsistent, which leads to rough idling, power loss, increased fuel consumption, and potential damage to surrounding valve train components. Replacing a worn valve lifter with a genuine OEM part like the Wacker Neuson 5000404161 restores proper valve operation and helps the engine run cleanly and efficiently across its full operating range.
Part Details
| Part Number | 5000404161 |
|---|---|
| Old Part Number | 0404161 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Lifter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML440 | 5000630117, 5000630204, 5000630323, 5000630324, 5000630325, 5000630327 |
| Portable Generators | MG5 | 5000630137, 5000630143, 5000630233, 5000630254, 5000630224, 5000630229, 5000630237, 5000630239, 5000630252, 5000630308, 5000630310, 5000630334 |
| Trash Pumps | MDP3 | 5000630140, 5000630144, 5000630176, 5000630177 |
| Reversible Plates | MPU 29 | 5000630141, 5000630228 |
| Portable Generators | MG5sd | 5000630202, 5000630214, 5000630236 |
| MG5 Generator | MG5d | 5000630211 |
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.
