The Multiquip 1588164850 Rectifier Assembly is a genuine OEM component designed for the DAW-500S diesel arc welder. Sourced directly from Multiquip, this assembly meets the exact electrical specifications required for proper welding output and generator performance. It is the correct OEM replacement for DAW-500S units requiring rectifier service, ensuring a direct, accurate installation with no guesswork on fitment.
Key Features
- OEM Electrical Specification: — Built to the precise output and resistance ratings required by the DAW-500S, maintaining consistent DC welding current conversion.
- Direct-Fit Replacement: — Matches the original mounting configuration and electrical connections of the DAW-500S rectifier housing for a straightforward swap.
- Confirmed Fitment: — Verified for the Multiquip DAW-500S diesel arc welder series.
- Stable Welding Output: — A functioning rectifier converts AC power to smooth DC current; a failed unit causes erratic arc behavior, voltage drop, or complete loss of welding capability.
- Electrical Safety Compliance: — As a core component in the power conversion circuit, using the correct OEM rectifier assembly helps prevent overheating, arcing faults, and damage to downstream electrical components.
The rectifier assembly is responsible for converting the alternating current (AC) generated by the engine-driven alternator into the direct current (DC) needed for arc welding. Without a properly functioning rectifier, the welder cannot maintain a stable arc, resulting in poor weld quality or a complete inability to weld. When a rectifier begins to fail, operators typically notice fluctuating output voltage, excessive heat at the assembly, or inconsistent arc starts — all signs that replacement is needed to restore full machine performance.
Part Details
| Part Number | 1588164850 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Rectifier Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW-500S |
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.
