The Multiquip 1J80043021 Fuel Filter Assembly is a genuine OEM component designed for the DAW500SA4 diesel arc welder. Sourced directly from Multiquip, this assembly meets the exact specifications required for proper fuel system operation on DAW500SA4 equipment. Verified fitment against the DAW500SA4 ensures you receive the correct part the first time, eliminating guesswork and delays on the jobsite.
Key Features
- OEM Filtration Rating: — Built to the exact micron rating and flow specification required by the DAW500SA4 fuel system, ensuring contaminants are captured without restricting fuel delivery.
- Direct-Fit Assembly: — Designed as a complete assembly with correct inlet/outlet connections that mate directly to the existing fuel line fittings on the DAW500SA4 — no adapters or modifications needed.
- Verified DAW500SA4 Fitment: — Confirmed OEM compatibility for the Multiquip DAW500SA4 diesel arc welder, so you can order with confidence.
- Protects Fuel Injectors and Pump: — A fresh, correctly rated filter keeps debris and water out of the injection system, preventing premature injector and pump wear that can cause hard starts and power loss.
- Fuel System Safety: — A properly functioning OEM-spec filter maintains the sealed integrity of the fuel circuit, reducing the risk of leaks or fuel contamination that can create hazardous operating conditions on a generator/welder unit.
The fuel filter assembly sits in-line between the fuel tank and the engine's injection system, trapping dirt, debris, and water before they can reach sensitive fuel delivery components. On a diesel arc welder like the DAW500SA4, clean fuel flow is essential for consistent engine output and stable welding or generator performance. A clogged or degraded filter restricts flow, causes rough running, and can accelerate wear on the injection pump and injectors — making timely filter replacement a critical part of routine maintenance.
Part Details
| Part Number | 1J80043021 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Fuel Filter Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW500SA4 |
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.
