Wacker Neuson 5000174191 Flasher Module

The Wacker Neuson Flasher Module is a genuine OEM component designed for the RD27-100 and RD27-120 series tandem rollers, including standard hydrostatic vibratory roller configurations and traction control-equipped variants. As a direct OEM replacement, part is manufactured to the same specification as the original unit installed at the factory, ensuring correct electrical behavior and compatibility with the machine's warning and indicator systems. This module fits across the full range of RD27-100 and RD27-120 machine numbers, making it the straightforward solution when the original flasher unit fails or becomes damaged. Confirm your machine number against the fitment list to ensure a correct match before ordering.

Key Features

• Correct Flash Rate and Signal Output — Genuine OEM construction ensures the module delivers the proper cycling frequency and voltage output required by the RD27 electrical system, so indicator and warning lights operate as intended.
• Drop-In Electrical Replacement — Connects directly to the existing wiring harness using the original connector, requiring no splicing or rewiring during installation.
• Broad RD27 Series Coverage — Fits RD27-100 and RD27-120 hydrostatic vibratory tandem rollers, including standard and traction control configurations across multiple machine numbers.
• Maintains Operational Signaling Integrity — A failed flasher module disables indicator and hazard light function, leaving operators without critical visual warnings during compaction and road operations. Restoring this component brings those systems back online.
• Electrical Safety Relevance — On a machine operating near traffic or in crew environments, functioning hazard and indicator lights are a site safety requirement. Using a correctly rated OEM module prevents erratic cycling or circuit overload that an incorrect unit could introduce.

The flasher module is an electrical timing component that controls the on/off cycling of indicator, hazard, and warning lights on the machine. It regulates the flash rate by interrupting the circuit at a fixed interval, producing the recognizable blinking pattern that signals turning, hazard status, or system warnings to operators and bystanders. When the module fails, affected lights may stop flashing entirely, stay on continuously, or cycle at an incorrect rate — any of which can compromise visibility and operator awareness on the worksite. Replacing a faulty flasher module restores full, correctly timed operation of the machine's lighting and signaling circuits.

Part Details

Compatibility & Fitment

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.