The Multiquip 01089901 Diode Assembly is a genuine OEM component designed for MVH502DSB, MVH502DSB2, and MQ41TDH series equipment. As a direct OEM replacement, this assembly is produced to the same specification as the original part, ensuring correct electrical function across compatible Multiquip machines. Confirm your model code against your equipment's parts manual before ordering to ensure a proper match.
Key Features
- OEM Electrical Specification — Manufactured to the same forward-voltage and current-rating spec as the original, ensuring proper rectification and circuit protection in your machine's electrical system.
- Direct Drop-In Replacement — Matches the original mounting configuration and connector interface, allowing straightforward installation without modification to the wiring harness.
- Broad Multiquip Fitment — Compatible with MVH502DSB, MVH502DSB2 reversible plate compactors and the MQ41TDH trash pump, covering multiple equipment types in one part number.
- Protects Downstream Electrical Components — A correctly functioning diode assembly prevents reverse current flow, safeguarding alternators, control boards, and charging circuits from damage caused by electrical backfeed.
- Electrical System Safety — Replacing a failed diode assembly promptly prevents voltage irregularities that can cause erratic machine behavior or damage to sensitive electronic components throughout the system.
A diode assembly allows electrical current to flow in one direction while blocking reverse flow, making it a critical component in charging and power management circuits. In equipment such as plate compactors and trash pumps, this component protects the alternator output and keeps the electrical system stable during operation. When a diode assembly fails, you may notice battery drain, charging faults, or erratic electrical behavior — replacing it restores proper circuit function and prevents further component damage.
Part Details
| Part Number | 01089901 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diode Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Plate Compactors | MVH502DSB |
| Plate Compactors | MVH502DSB2 |
| MQ Trash Pumps | MQ41TDH |
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.
