The Wacker Neuson Electrode is a genuine OEM component designed for the HI400HD G Indirect Air Heater. As a direct OEM replacement, it is manufactured to the exact specifications required by the HI400HD G, ensuring correct positioning, gap, and electrical output for consistent ignition performance. Sourced directly from Wacker Neuson, this electrode matches the original part in every dimension and material — no guesswork, no fitting issues. If your heater is failing to light, cycling off unexpectedly, or producing a weak spark, replacing the Electrode is a logical first step in restoring dependable operation.
Key Features
- Correct Spark Gap and Tip Geometry — manufactured to OEM ignition specifications, ensuring the electrode produces the precise spark arc required to reliably ignite the burner on the HI400HD G.
- Genuine OEM Part — sourced directly from Wacker Neuson, carrying the same part number (5000186702) used in the original machine build.
- Direct Fitment for the HI400HD G — engineered specifically for the HI400HD G Indirect Air Heater, with matching mounting dimensions for a straightforward drop-in installation.
- Restores Consistent Ignition — a worn or fouled electrode causes hard starts, ignition lockouts, and burner cycling; replacing it with a fresh OEM unit brings the ignition system back to full working order.
- Ignition Safety Compliance — using the correct OEM electrode maintains proper burner ignition timing and arc intensity, which is critical for safe combustion in a direct-fired heating environment.
The electrode is the ignition component responsible for generating the high-voltage spark that ignites the fuel-air mixture inside the heater's combustion chamber. Without a properly functioning electrode, the burner cannot light reliably — resulting in failed start attempts, nuisance lockouts, or incomplete combustion. Over time, electrodes wear at the tip, accumulate carbon deposits, or crack due to repeated thermal cycling, all of which degrade spark quality and ignition consistency. Replacing the electrode at the first sign of ignition trouble is a straightforward service step that restores the heater's ability to deliver consistent, efficient heat output.
Part Details
| Part Number | 5000186702 |
|---|---|
| Old Part Number | 0186702 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Electrode |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
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.
