The Wacker Neuson 5100037440 Key Switch is a genuine OEM component designed for Wacker Neuson equipment electrical control systems. As a factory-sourced part, the 5100037440 is manufactured to the exact specifications of the original switch, ensuring correct fit and function within the machine's ignition and control circuit. Sourcing a genuine OEM Key Switch means you get the same part that left the factory — no guesswork on terminal configuration, contact rating, or switch travel.
Key Features
- Genuine OEM Ignition Integrity — Manufactured to the original contact rating and switching sequence, so the ignition circuit operates exactly as designed.
- Direct Drop-In Replacement — Matches the original mounting configuration and connector interface, allowing straightforward installation without reworking the wiring harness.
- Correct Electrical Specification — Built to the precise voltage and current tolerances of the original part, protecting downstream electrical components from mismatched switching loads.
- Verified Wacker Neuson Part Number — Part number 5100037440 is sourced directly from Wacker Neuson, confirming fitment accuracy against the original equipment build.
- Electrical Safety Compliance — A properly functioning key switch is critical to safe machine start-up and shutdown; using a correctly rated OEM switch maintains the integrity of the machine's electrical protection circuits.
The key switch is the primary operator interface for starting and shutting down the machine's engine or electrical system. It controls the flow of power through the ignition circuit, allowing the operator to engage and disengage the machine safely. When a key switch fails — through worn contacts, intermittent connection, or a broken switching mechanism — the machine may fail to start, experience unintended shutdowns, or lose the ability to be shut off in an emergency, making timely replacement essential to safe and continuous operation.
Part Details
| Part Number | 5100037440 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electrical System/Controls | Electrical System/Controls | 5100045147 |
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.