The Multiquip 01089801 is a genuine OEM Diode Assembly designed for MVH502DSB2, MVH502DSB, and MQ41TDH series equipment. As a direct OEM component, it meets the exact electrical specifications required by Multiquip for these machines. This assembly is the correct replacement for MVH502DSB2 and MVH502DSB reversible plate compactors as well as the MQ41TDH trash pump, ensuring proper charging and power regulation across these platforms. Sourced directly through authorized Multiquip supply channels, part 01089801 delivers the fit and function your equipment demands.
Key Features
- Correct Electrical Output Specification — Manufactured to the exact rectification rating required by Multiquip, ensuring the diode handles the correct voltage and current load for stable electrical system operation.
- Drop-In OEM Fitment — Engineered as a direct replacement that connects to the existing wiring harness without adaptation, maintaining the integrity of the electrical circuit.
- Broad Multiquip Compatibility — Confirmed fitment for MVH502DSB2, MVH502DSB reversible plate compactors, and the MQ41TDH trash pump, covering multiple equipment families with a single part number.
- Protects the Charging System — A functioning diode assembly ensures one-directional current flow, safeguarding the battery and electrical components from reverse current damage that can cause unexpected shutdowns or system failures.
- Electrical Safety Compliance — A failed diode can allow back-feed current into the charging circuit, creating risk of component damage or electrical faults; replacing with the genuine OEM assembly restores safe, controlled current flow.
The diode assembly in your Multiquip equipment acts as an electrical one-way valve within the charging circuit, converting alternating current (AC) from the alternator into the direct current (DC) needed to charge the battery and power onboard electrical systems. When the diode assembly fails or degrades, the charging circuit can no longer regulate current direction properly, leading to a battery that won't hold a charge, erratic electrical behavior, or a machine that won't start. Replacing a worn diode assembly with a genuine Multiquip OEM unit restores correct power flow and protects the broader electrical system from damage caused by reverse current.
Part Details
| Part Number | 01089801 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diode Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Plate Compactors | MVH502DSB2 |
| Plate Compactors | MVH502DSB |
| 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.