The Multiquip 531 Spring Washer is a genuine OEM component designed for a range of Multiquip gasoline-powered arc welders, generators, and rollers, including the GAW180HE, GAW180HE1, GAW180HEA, GA3.6HR, GA3.6HA, GA3.6HZ, GA6HEB, GA6HB, GA6HZ, and RW1403HF. As a direct OEM replacement, part 531 is sourced to the same specification as the original hardware installed at the factory, ensuring a correct drop-in fit with no guesswork. DHS Equipment supplies this part to keep your Multiquip equipment running with components that meet the original build standard.
Key Features
- Genuine OEM Hardware Grade — Manufactured to the same material hardness and spring-rate specification as the original 531 Spring Washer, maintaining proper clamp load and vibration resistance in fastened assemblies.
- Direct Drop-In Replacement — Matches the original washer profile and inner diameter, seating correctly against mating fasteners without shimming or modification.
- Broad Multiquip Fitment — Confirmed for GAW180HE series arc welders, GA3.6 and GA6 series gasoline generators, and the RW1403HF roller, covering multiple Multiquip equipment families with a single part number.
- Vibration and Loosening Resistance — Spring washers are critical in high-vibration environments; a worn or flattened washer allows fasteners to back out, leading to component misalignment and accelerated wear on surrounding parts.
- Electrical and Structural Safety Relevance — In welders and generators, secure fastening of terminal and structural connections depends on properly functioning spring washers; using a correct-spec replacement supports safe, stable operation.
A spring washer is a hardened, slightly domed or coiled washer placed under a fastener to exert continuous axial pressure against the joint as the equipment vibrates during operation. This spring tension prevents nuts and bolts from loosening over time — a common failure point on generators, welders, and compaction equipment that run with sustained vibration. When a spring washer flattens, loses its temper, or corrodes, clamping force drops and fasteners can work loose, potentially causing electrical connection failures, mechanical misalignment, or structural loosening in critical assemblies. Replacing a worn spring washer with the correct OEM-spec part restores the designed clamping load and keeps fastened connections secure across the service life of the machine.
Part Details
| Part Number | 531 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Spring Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | GAW180HE |
| Welders | GAW180HE1 |
| Welders | GAW180HEA |
| Gasoline Powered Generators | GA3.6HR |
| Gasoline Powered Generators | GA6HEB |
| Gasoline Powered Generators | GA6HB |
| Gasoline Powered Generators | GA3.6HA |
| Gasoline Powered Generators | GA3.6HZ |
| Gasoline Powered Generators | GA6HZ |
| Rollers | RW1403HF |
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.
