The Multiquip 0801840104 Insulator Washer is a genuine OEM component designed for DLW300ES, DLW330X2, DLW400ES, and DLW500ESA4 series diesel light welders. As a direct OEM replacement, this insulator washer is manufactured to the same specification as the original, ensuring correct fitment and electrical isolation performance across compatible Multiquip welder models. Sourced directly through authorized Multiquip supply channels, part number 0801840104 is the correct service part for these machines. If you are maintaining or rebuilding a DLW300ES, DLW400ES, or DLW500ESA4 unit, this is the exact part to keep on hand.
Key Features
- Genuine OEM Electrical Isolation: — Manufactured to original specification, delivering the correct dielectric properties required for safe and stable welder operation.
- Drop-In Replacement: — Matches the original mounting dimensions and hole pattern, seating correctly without any rework to the surrounding hardware or mounting points.
- Broad DLW Series Compatibility: — Confirmed fitment across DLW300ES, DLW330X2, DLW400ES, and DLW500ESA4 diesel light welder models.
- Protects Electrical Integrity: — A correctly functioning insulator washer prevents unintended current paths between fasteners and chassis, maintaining clean electrical circuits within the welder.
- Electrical Safety Component: — In welding equipment, proper insulation at fastener points is critical to operator safety and preventing ground faults; using a correctly rated OEM washer maintains that protection.
An insulator washer serves as a barrier between a metal fastener and a conductive surface, preventing electrical current from passing through mounting hardware and creating unintended ground paths or short circuits. In diesel light welders like the DLW series, these washers are used at critical points in the electrical assembly where isolation between components is necessary for stable output and safe operation. When an insulator washer cracks, degrades, or is substituted with a standard metal washer, it can compromise the machine's electrical integrity and create fault conditions that affect welding performance or pose a safety risk to the operator.
For questions about fitment or to confirm compatibility with your specific Multiquip welder model, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 0801840104 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Insulator Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
| Welders | DLW330X2 |
| Welders | DLW500ESA4 |
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
| Welders | DLW400ESA4 |
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.
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