The Multiquip 48403 Engine Harness Assembly is a genuine OEM component designed for the MD105 hydrostatic ride-on power trowel. As a direct OEM replacement, this harness is built to the exact wiring configuration and connector specifications required by the MD105, ensuring every circuit integrates correctly with the machine's engine control system. Sourced directly through authorized Multiquip supply channels, the 48403 is the correct part for operators and service technicians keeping MD105 trowels running at full capacity.
Key Features
- OEM-Correct Wiring Specification — Manufactured to the exact conductor gauge, connector type, and circuit layout specified for the MD105 engine system — no splicing or adapter work needed.
- Direct Plug-In Replacement — Connectors, routing lengths, and termination points match the original harness, allowing a straightforward swap during service or repair.
- Confirmed MD105 Fitment — Verified for the Multiquip MD105 mid-sized hydrostatic ride-on trowel series.
- Protects Engine Control Integrity — A damaged or failed engine harness can cause erratic throttle response, starting failures, or loss of machine control; this OEM replacement restores correct signal and power delivery to all engine components.
- Electrical Safety Compliance — Correct insulation rating and connector locking features ensure the harness meets the safety requirements of the machine's original electrical architecture.
The engine harness assembly is the central wiring circuit that connects the engine's electrical components — including the ignition, throttle control, sensors, and safety switches — to the machine's main control system. It carries both power and signal across these connections, and any break, corrosion, or short within the harness can disrupt engine start, speed control, or protective shutoff functions. Replacing a worn or damaged harness with the correct OEM assembly restores full electrical continuity and ensures every engine function operates as the machine was designed to perform.
For fitment questions or to confirm this part is correct for your machine, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 48403 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Harness Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hydraulic Ride-On Power Trowels | MD105 |
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.
