The Wacker Neuson 5100026279 is a genuine OEM Oil Pressure Switch designed for the RD7H and RD7He series walk-behind tandem rollers. Sourced directly from Wacker Neuson, this switch meets the original engineering specification for each covered machine configuration. Fitment spans multiple serial number ranges across the RD7H and RD7He lineup, including North America-specific double drum variants. Verify your machine's model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Electrical Specification — Manufactured to the exact pressure threshold and circuit rating required by the RD7H and RD7He engine management system, ensuring the switch opens and closes at the correct pressure points.
- Direct Connector Match — Matches the original wiring harness connector and thread pitch, dropping into the existing port without adapter fittings or harness modification.
- Broad RD7 Series Coverage — Confirmed fitment across RD7H and RD7He tandem roller configurations, including walk-behind and North America-only double drum models across multiple serial number ranges.
- Protects Engine from Low-Oil Damage — A correctly functioning oil pressure switch triggers the machine's warning or shutdown system when oil pressure drops below a safe threshold, protecting the engine from catastrophic wear during operation.
- Safety-Critical Electrical Component — As part of the engine protection circuit, this switch must perform accurately; a failed or out-of-spec switch can prevent proper fault detection, leaving the engine unprotected during a pressure loss event.
The oil pressure switch monitors engine oil pressure and sends a signal to the machine's warning or shutdown system when pressure falls outside the safe operating range. On walk-behind tandem rollers like the RD7H and RD7He, this protection is essential — a drop in oil pressure left undetected can lead to rapid engine wear or seizure. When the switch fails, it may trigger false warnings at normal pressure, fail to warn during an actual pressure drop, or cause the machine to shut down unexpectedly mid-pass.
Part Details
| Part Number | 5100026279 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Pressure Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| RD7 Tandem Roller | RD7H | 5100017195, 5100017338, 5200015242, 5200015245 |
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.
