The Multiquip 1642716020 Fuel Camshaft Assembly is a genuine OEM component designed for the DAW-500S diesel arc welder. As a direct OEM replacement, this assembly meets the original manufacturer's specifications, ensuring it integrates correctly with the fuel system as originally engineered. Sourced through authorized Multiquip supply channels, the part is the correct part for DAW-500S service and rebuild work.
Key Features
- Genuine OEM Precision Engineering — Manufactured to original design tolerances, ensuring correct lobe profile and timing geometry critical to fuel system function on diesel-powered equipment.
- Direct-Fit Replacement — Designed to drop into the existing fuel injection pump assembly on the DAW-500S without modification to surrounding components or mounting hardware.
- Confirmed DAW-500S Fitment — Verified for use on the Multiquip DAW-500S diesel arc welder, eliminating compatibility guesswork during service.
- Sustained Fuel Delivery Accuracy — A correctly functioning fuel camshaft maintains precise injection timing and consistent fuel metering, supporting stable engine output and weld performance.
- Built for Extended Service Life — OEM-grade materials and surface hardening resist wear from continuous cam-to-follower contact, extending the interval between fuel system rebuilds.
The fuel camshaft is the driven shaft within a diesel injection pump that actuates the plungers or elements responsible for pressurizing and delivering fuel to each cylinder at precisely timed intervals. Its lobe profile directly controls injection timing and fuel volume, both of which affect engine power, efficiency, and smooth operation. When a fuel camshaft wears or fails, injection timing drifts, fuel delivery becomes uneven, and the engine may run rough, lose power, or become difficult to start — making prompt replacement essential to restoring full machine output.
For questions about fitment or to confirm this is the correct part for your application, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 1642716020 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Fuel Camshaft Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW-500S |
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.