The Multiquip 0801840004 Insulator Washer is a genuine OEM component designed for DLW300ES, DLW330X2, DLW400ES, and DLW500ESA4 series diesel light welders. Sourced directly from Multiquip, this part meets the exact specifications of the original hardware installed at the factory. It is a direct replacement for the insulator washer used across the DLW300, DLW400, and DLW500 welder families, ensuring a correct, trouble-free installation every time. Whether you are performing routine maintenance or completing a targeted repair, part number 0801840004 keeps your Multiquip welder running as intended.
Key Features
- Genuine OEM Electrical Isolation: — Manufactured to the exact dielectric and dimensional tolerances required for safe, stable insulation in Multiquip diesel light welder applications.
- Drop-In Replacement: — Matches the original mounting configuration of the DLW-series welders, seating correctly without any modification to hardware or surrounding components.
- Broad DLW-Series Compatibility: — Confirmed fitment across DLW300ES, DLW330X2, DLW400ES, DLW400ESA4, and DLW500ESA4 models, covering a wide range of Multiquip diesel light welder variants.
- Prevents Electrical Faults: — A correctly functioning insulator washer separates conductive surfaces and prevents unintended grounding or arcing that can disrupt welder output and damage surrounding components.
- Electrical Safety Compliance: — Proper insulation hardware is essential in welding equipment where stray current paths can create shock hazards or compromise output circuit integrity; this OEM part maintains the original design intent.
An insulator washer serves as a barrier between conductive metal components, preventing electrical current from passing through fastener points where it is not intended to flow. In a diesel light welder like the DLW series, this type of hardware is critical for maintaining clean output circuits and protecting both the operator and internal components from stray current. When an insulator washer degrades, cracks, or is replaced with an incorrect substitute, it can introduce ground faults, erratic welding arc behavior, or electrical damage to the machine's wiring and control systems.
DHS Equipment is an authorized Multiquip parts dealer. If you need help confirming that 0801840004 is the correct part for your specific machine, contact our parts team with your model and serial number.
Part Details
| Part Number | 0801840004 |
|---|---|
| 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.
