The Wacker Neuson Ignition Switch with Key is a genuine OEM component designed for RD12, RD16, RD27, and CB14B series ride-on tandem rollers. Sourced directly from Wacker Neuson, this switch carries the same part specifications as the original unit installed at the factory, ensuring correct electrical interface and key fitment with no guesswork. Part number covers an extensive range of configurations across the RD and CB14B families, including solid ROPS, foldable ROPS, hydrostatic, and Tier 4 Final variants. When you need a verified OEM replacement for your tandem roller's ignition system, the is the correct choice.
Key Features
- Correct Electrical Specification — Genuine OEM construction ensures the switch delivers accurate circuit switching behavior matched to the machine's ignition system wiring harness.
- Includes Matched Key — Ships as a complete ignition switch with key, so the cylinder and key are pre-matched — no separate key sourcing required.
- Direct Drop-In Replacement — Mounts to the same panel position and uses the same connector arrangement as the original 5200004602 switch across all covered variants.
- Broad RD and CB14B Family Coverage — Fits RD12, RD16, and RD27 tandem rollers as well as CB14B-900 and CB14B-1000 soil and asphalt compaction models across multiple machine configurations.
- Ignition Reliability Where It Counts — A worn or intermittently failing ignition switch can cause hard-starts, unexpected shutdowns, or a complete no-crank condition; replacing with a verified OEM unit restores confident, consistent engine starts.
- Electrical Safety Integrity — The ignition switch is a primary control circuit component; a genuine OEM unit maintains correct current ratings and contact integrity, reducing the risk of arcing or wiring damage associated with an out-of-spec replacement.
The ignition switch with key is the operator's primary interface for powering the machine's electrical system and cranking the engine. When the key is turned, the switch closes the appropriate circuits to energize the control panel, fuel system, and starter motor in the correct sequence. Over time, the internal switch contacts can wear or corrode, leading to intermittent starts, failure to crank, or the machine cutting out unexpectedly during operation — all of which bring compaction work to a halt. Replacing a faulty ignition switch with a correct OEM-specification unit like the 5200004602 restores reliable start-up and ensures the machine's electrical system operates within its intended parameters.
Part Details
| Part Number | 5200004602 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ignition Switch with Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD16-90 Vibratory Roller | RD16-90 | 5000620060, 5000620127, 5000620799 |
| RD 16-100 | RD16-100 | 5000620402, 5000620798 |
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 5200005877, 5200021389 |
| Soil and Asphalt Compaction | CB14B-900 | 5200004071, 5200004073, 5200004074, 5200005252, 5200019030 |
| Soil and Asphalt Compaction | CB14B-1000 | 5200004072, 5200004688, 5200019031 |
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.
Wacker Neuson
Wacker Neuson Part # 5000072878 - Key-Ignition Switch - Genuine OEM Part
