The Wacker Neuson Muffler Complete is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrator and the L5000/225 series units in both ISO and ANSI configurations. Sourced directly from Wacker Neuson, this muffler assembly delivers an exact match to the original part — no guesswork on fit, mounting, or dimensions. If you're servicing an L5000/225 ISO, L5000/225 ANSI, or a D4000 power unit, part is the correct replacement to restore proper exhaust function.
Key Features
- Genuine OEM Exhaust Integrity — Manufactured by Wacker Neuson to the same specifications as the original muffler, ensuring correct back-pressure characteristics and exhaust flow for these engine configurations.
- Complete Assembly, Ready to Install — Supplied as a full muffler assembly, so all primary exhaust components are replaced together — eliminating the risk of pairing a worn housing with a new baffle or outlet.
- Confirmed Fitment Across D4000 and L5000/225 Models — Verified for the D4000 Diesel Power Unit for Internal Vibrator and both L5000/225 ISO and L5000/225 ANSI configurations.
- Restores Quiet, Efficient Engine Operation — A damaged or degraded muffler leads to excessive exhaust noise, reduced engine efficiency, and potential heat buildup. Replacing it with 5000206129 brings operation back to spec.
- Emissions and Noise Compliance — A correctly functioning OEM muffler helps maintain the unit's designed exhaust emissions profile and acoustic output — important on regulated worksites and in enclosed environments.
The muffler on a diesel power unit is responsible for controlling exhaust gas flow away from the engine while reducing noise and managing heat. It works by routing hot combustion gases through internal baffles and chambers that dissipate energy before the exhaust exits the unit. When a muffler cracks, corrodes, or develops a blockage, it can cause elevated exhaust noise, reduced engine performance, overheating, and potential safety concerns in confined workspaces — making timely replacement essential to keeping the unit running as intended.
Part Details
| Part Number | 5000206129 |
|---|---|
| Old Part Number | 0206129 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler Complete |
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.