The Multiquip 52028 Diode RW-1403 is a genuine OEM electrical component designed for AR13HA/HAR asphalt ride-on roller equipment. As a factory-sourced part, 52028 is built to the exact electrical specification required by the machine's charging and ignition circuit. This diode is a direct OEM replacement that installs without modification, ensuring the correct current flow and circuit protection your roller depends on. DHS Equipment supplies this part straight from Multiquip's authorized parts network, so you can be confident you're getting the right component for your AR13HA or HAR roller.
Key Features
- Correct Electrical Specification — Sourced directly from Multiquip, this diode meets the exact forward voltage and current rating required by the AR13HA/HAR roller's electrical system.
- Genuine OEM Component — Part 52028 is a factory original, not a generic substitute, ensuring proper function within the machine's charging and protection circuitry.
- Direct-Fit Replacement — Engineered to connect into the existing wiring harness of the AR13HA/HAR without re-pinning or adapter wiring.
- Protects Downstream Electrical Components — A functioning diode prevents reverse current from damaging the alternator, battery, and sensitive control electronics; a failed diode can cause immediate and cascading electrical faults.
- Electrical System Safety — Correct diode function is essential for maintaining safe charging circuit behavior and preventing uncontrolled current feedback in the roller's electrical system.
- Verified Fitment for AR13HA/HAR Rollers — Part number 52028 is confirmed for Multiquip AR13HA/HAR asphalt ride-on roller models.
A diode is a one-way electrical valve — it allows current to flow in a single direction and blocks it from flowing backward. In a roller's electrical system, the diode plays a critical role in the charging circuit, preventing reverse current from the battery from feeding back into the alternator or stator windings, which can cause immediate electrical damage. When a diode fails, symptoms can include a dead battery, erratic charging behavior, or blown fuses — issues that take a machine out of service quickly and without warning.
For questions about part 52028 or fitment confirmation for your specific machine, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 52028 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diode RW-1403 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | AR13HA/HAR |
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.
