Multiquip 8981731650 Fuel Feed Pump

The Multiquip 8981731650 is a genuine OEM Fuel Feed Pump designed for the DLW500ESA4 diesel light welder. As a factory-sourced component, it meets the original engineering specifications for this machine, ensuring a correct, direct installation with no guesswork. Sourced directly through the Multiquip OEM parts network, 8981731650 is the right call when your DLW500ESA4 is down and uptime matters. DHS Equipment stocks this part to get your welder back in service fast.

Key Features

• Genuine OEM Fuel Delivery Spec — Factory-sourced pump matched to the exact flow rate and pressure requirements of the DLW500ESA4 diesel engine, not a generic approximation.
• Direct-Fit Installation — Designed to bolt into the original fuel system mounting points on the DLW500ESA4, using the same port configuration and connections as the part it replaces.
• Confirmed DLW500ESA4 Fitment — Verified OEM fitment for the Multiquip DLW500ESA4 diesel light welder series.
• Consistent Fuel Supply to the Engine — A properly functioning feed pump maintains steady fuel delivery under load, keeping arc output stable and engine performance consistent during welding operations.
• Fuel System Integrity — A failed or degraded fuel feed pump can introduce air into the fuel line or cause fuel starvation, leading to hard starts, engine misfire, or unexpected shutdowns on the job — replacing it promptly restores safe, predictable operation.

The fuel feed pump is responsible for drawing diesel fuel from the tank and delivering it at the correct pressure to the engine's injection system. Without consistent fuel supply, the engine cannot maintain the power output needed to sustain stable welding current or run auxiliary loads. When the pump weakens or fails, symptoms typically include hard starting, rough running under load, and in severe cases, complete engine shutdown — making prompt replacement critical to keeping your DLW500ESA4 operational.

Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team for fitment support.

Part Details

Compatibility & Fitment

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.