The Multiquip 0040006000 is a genuine OEM Lock Washer designed for a wide range of Multiquip welders and generators, including GAW180HE, GAW180HEA, GAW180HE1, DLW330X2, DLW400ESA4, DLW300ES, DAC7000SS, DAC7000SSA, DAC7000SSW, DA7000SSA2, GAC9.7HEA, GA-9.7HEA, GA9.7HE, GAC2.5HR, GA2.5HR, GAC6HR, GAC6HRS, GAC2.2HZ, GA6HZ, and GA6HEB series equipment. As a genuine OEM component sourced directly through Multiquip's authorized parts channel, this Lock Washer meets the exact specifications called for in the original equipment build. Confirm your model and part number before ordering to ensure a correct match for your machine.
Key Features
- Genuine OEM Construction — Manufactured to the same material grade and dimensional tolerancing as the original fastener hardware used on the production line, ensuring consistent clamping load and thread retention.
- Direct-Fit Replacement — Matches the original bore diameter, outer profile, and tooth geometry so it seats correctly against mating fastener hardware without rework or shimming.
- Broad Fitment Coverage — Compatible with GAW180HE, DLW330X2, DLW400ESA4, DLW300ES, DAC7000SS series welders and GAC/GA gasoline and diesel generator models.
- Fastener Integrity Under Vibration — Lock washers resist loosening caused by engine vibration and thermal cycling, keeping critical hardware properly torqued during sustained operation.
- Verified Part Number — Order with confidence using Multiquip part number 0040006000, cross-referenced to the models listed above for accuracy.
A lock washer is a hardened fastening component placed between a nut or bolt head and the mating surface to prevent the fastener from backing out under vibration, load cycling, or thermal expansion. On generators and welders — which run under continuous engine vibration and fluctuating electrical and mechanical loads — loose fasteners can cause misalignment, component damage, or safety hazards. A worn, flattened, or missing lock washer compromises the clamping force of the fastener assembly, making timely replacement with the correct OEM part essential to maintaining safe, dependable operation.
For fitment questions or parts support, contact DHS Equipment directly.
Part Details
| Part Number | 0040006000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lock Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | GAW180HE1 |
| Welders | GAW180HEA |
| Welders | GAW180HE |
| Welders | DLW330X2 |
| Welders | DLW400ESA4 |
| Gasoline Powered Generators | GAC9.7HEA |
| Gasoline Powered Generators | GA-9.7HEA |
| Gasoline Powered Generators | GAC2.5HR |
| Gasoline Powered Generators | GAC6HRS |
| Gasoline Powered Generators | GAC6HR |
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
| Diesel Powered Generators | DAC7000SSA |
| Diesel Powered Generators | DAC7000SSW |
| Diesel Powered Generators | DAC7000SS |
| Diesel Powered Generators | DA7000SSA2GH |
| Diesel Powered Generators | DA7000SSA2 |
| Gasoline Powered Generators | GA9.7HE |
| Gasoline Powered Generators | GA2.5HR |
| Gasoline Powered Generators | GAC2.2HZ |
| Gasoline Powered Generators | GA6HZ |
| Gasoline Powered Generators | GA6HEB |
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.