The Wacker Neuson is a genuine OEM Engine Wiring Harness designed for PT6LT and PT6LS series pumps, including Tier 4 and current-generation models. Sourced directly from Wacker Neuson, this is the same harness installed on these machines at the factory — ensuring every connector, pin, and circuit matches the original layout exactly. It fits the PT6LT Pump with Trailer T4, PT6LS Pump, PT6LS(I), and PT6LT(I) Trash Pump platforms, making it a straightforward like-for-like swap. When your pump's electrical system needs attention, starting with a verified OEM harness keeps the diagnosis simple and the repair clean.
Key Features
- OEM-Correct Wiring Specifications — Manufactured to Wacker Neuson's original circuit layout, with matched conductor gauges and connector configurations for accurate signal and power delivery throughout the engine system.
- Direct Plug-In Replacement — All connectors, terminals, and routing points mirror the original harness, allowing it to seat and secure without adapters or splicing.
- Broad PT6L Series Coverage — Fits the PT6LT (Tier 4 with Trailer), PT6LS, PT6LS(I), and PT6LT(I) Trash Pump models, covering the current and interim-tier variants of the PT6L pump lineup.
- Protects Full Engine Electrical Function — A failed or damaged wiring harness can cause intermittent shutdowns, sensor faults, or complete loss of engine control; replacing it restores stable communication between the engine, controls, and safety circuits.
- Electrical Safety Integrity — As a safety-critical electrical component, using the correct OEM harness ensures proper grounding paths and load ratings are maintained, preventing shorts or overloads in the engine wiring system.
The engine wiring harness is the central electrical backbone of the pump's power unit, routing power and control signals between the engine, ignition system, sensors, and operator controls. It keeps all critical engine functions — starting, running, throttle response, and safety shutdowns — communicating correctly. When a harness develops damaged insulation, corroded terminals, or broken conductors, the result is often erratic engine behavior, unexpected shutdowns, or sensors that stop reporting accurately, making replacement the most reliable path to restoring normal operation.
Part Details
| Part Number | 5200015539 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer T4 | PT6LT | 5200014740 |
| PT6LS Pump | PT6LS | 5200014741 |
| PT 6LS | PT6LS(I) | 5200017427 |
| Trash Pump | PT6LT(I) | 5100014076 |
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.