The Wacker Neuson 9490-000-7915 Relay is a genuine OEM component designed for the G150, G180, and G230 portable generator series. This is a direct OEM replacement sourced through the Wacker Neuson parts program, ensuring the correct specification for your machine. Fitment spans Standard, Cold Weather, and Custom configurations across Tier 4 and Tier 4 Final variants, including Transport Canada-compliant G180 and G230 mobile generators. Always cross-reference your generator's model number and machine number before ordering to confirm compatibility.
Key Features
- Correct Switching Specification — Genuine OEM relay matched to the electrical switching requirements of the G150, G180, and G230 generator control circuits, ensuring proper load switching behavior.
- Drop-In Replacement — Designed to install directly into the existing relay socket with no modification to wiring harnesses or control panels required.
- Broad Generator Series Coverage — Compatible with Standard, Cold Weather, and Custom configuration variants of the G150, G180, and G230 across Tier 4 and Tier 4 Final emissions levels, including Transport Canada models.
- Protects Generator Control Systems — A correctly functioning relay ensures clean circuit switching, protecting downstream control components from voltage spikes or unintended current flow caused by a worn or failed relay.
- Electrical Safety Compliance — As a switching component in the generator's control circuit, using a genuine OEM relay maintains the integrity of the machine's designed protection and shutdown logic.
A relay is an electrically operated switch that allows a low-power control signal to open or close a higher-current circuit within the generator's control system. In portable generators like the G150, G180, and G230 series, relays manage critical switching functions such as starting circuits, load control, and protective shutdowns. When a relay fails — through contact wear, coil burnout, or contamination — the circuit it controls either stops functioning entirely or may fail to switch off, both of which can disrupt generator operation or prevent the machine from starting.
Part Details
| Part Number | 9490-000-7915 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relay |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200010141, 5200010142, 5200010143, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847, 5200007862 |
| G180 Generator, Custom T4i | G180 | 5000620886, 5000620884, 5000620885, 5200010140, 5200010138, 5200010139, 5100045089, 5100045575, 5100045576, 5100045590, 5100045591, 5100045592, 5100049844, 5100049845, 5200007861 |
| G150, custom | G150 | 5000620889, 5000620887, 5000620888, 5200014784, 5200010135, 5200010136, 5200010137, 5200007860 |
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.
