The Multiquip 551444320 Relay MRX-440P is a genuine OEM relay designed for the MRX-440P. Sourced directly from Multiquip, this relay meets the original electrical specifications of the MRX-440P, ensuring correct switching behavior and circuit protection without the guesswork of adapting an off-spec component. If your MRX-440P is experiencing electrical faults, intermittent operation, or a relay that has failed outright, the part is the correct OEM-sourced solution. DHS Equipment stocks genuine Multiquip parts so you can get back to work with confidence.
Key Features
- OEM Electrical Specification — Matched to the original coil voltage and contact rating of the MRX-440P circuit, so switching performance meets the design intent of the machine.
- Direct-Fit Connector Compatibility — Plug-in replacement that connects to the existing wiring harness without modification to terminals or mounting points.
- MRX-440P Fitment Confirmed — Validated for use on MRX-440P equipment, eliminating cross-reference uncertainty when ordering.
- Electrical Integrity Under Load — A functioning relay ensures clean signal switching and protects downstream components; a failed relay can cause complete circuit dropout or uncontrolled energization of connected systems.
- Genuine Multiquip OEM Part — Supplied as an authentic Multiquip component, not a generic substitute, so traceability and part authenticity are not in question.
A relay is an electrically operated switch that uses a low-current control signal to open or close a higher-current circuit within the machine. On equipment like the MRX-440P, relays manage the activation and deactivation of motors, solenoids, or other electrical loads, isolating control circuits from power circuits. When a relay fails — whether through contact wear, coil burnout, or mechanical fatigue — the circuit it controls will either stop responding entirely or may fail to disengage, both of which can disrupt machine operation and potentially damage connected components.
Part Details
| Part Number | 551444320 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Relay MRX-440P |
Compatibility & Fitment
| Name | Model |
|---|---|
| MRX-440P | MRX-440P |
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.