The Wacker Neuson Injection Valve Complete is a genuine OEM component designed for the LTN4Y and LTN5Y series light towers, including standard, SA, ME, CH, UK, RH, HD, and 60Hz variants. As a direct OEM replacement, this assembly ships as a complete, ready-to-install unit sourced straight from Wacker Neuson — so you get the exact part the machine was built around. Compatibility spans the full LTN4Y and LTN5Y model range, covering part numbers through, making it the correct choice for fleet operators and service technicians working across multiple configurations.
Key Features
- Calibrated Fuel Delivery Spec: — Genuine OEM construction ensures the valve opens and closes to the precise pressure tolerances the engine's injection system requires, maintaining correct fuel atomization.
- Complete Assembly, Ready to Install: — Supplied as a fully assembled valve unit — no sub-components to source separately, and no bench assembly needed before fitting.
- Broad LTN Series Coverage: — Fits the complete LTN4Y and LTN5Y light tower family, including 60Hz, 120V/60Hz, SA, ME, CH, UK, RH, HD, and pk variants.
- Restores Clean, Consistent Engine Start: — A worn or leaking injection valve causes hard starts, rough running, and excessive smoke; replacing it with this OEM unit brings fuel delivery back to spec.
- Fuel System Safety: — A properly sealing injection valve prevents uncontrolled fuel discharge under pressure, reducing the risk of fuel leaks and associated fire hazards on the work site.
- Direct Wacker Neuson Part Number: — Part 5100075875 is the current OEM reference for this assembly, ensuring accurate parts ordering and correct documentation for service records.
The injection valve controls the precise delivery of diesel fuel into the engine's combustion chamber by opening under high pressure at exactly the right moment in the engine cycle. When it functions correctly, the engine starts cleanly, runs smoothly, and burns fuel efficiently — all critical for a light tower that may run continuously overnight on a job site. When the valve wears, sticks, or loses its sealing integrity, symptoms include difficult starting, rough idle, excessive exhaust smoke, and increased fuel consumption, any of which signal that the valve needs immediate replacement.
Part Details
| Part Number | 5100075875 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Injection Valve Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN5Yp | LTN5Yp | 5100069549 |
| LTN5Y SA | LTN5Y SA | 5100069548 |
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN5Ypk | LTN5Ypk | 5100077880 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| LTN5Yp HD | LTN5Yp HD | 5100079429 |
| LTN5Y | LTN5Y | 5100069550 |
| LTN5Ypa | LTN5Ypa | 5100069551 |
| LTN5Y CH | LTN5Y CH | 5100069552 |
| LTN5Y UK | LTN5Y UK | 5100069553 |
| LTN4Y 120V/60Hz | LTN4Y 120V/60Hz | 5100075978 |
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.