The Multiquip D4464400003 Duct DLW-300ES is a genuine OEM component designed for the DLW300ES series diesel light welder. As a direct Multiquip OEM part, D4464400003 is manufactured to the exact specifications of the original, ensuring a proper fit and correct function within the machine's airflow and cooling ducting system. This part is compatible with DLW300ES, DLW300ESA, and DLW300ESA1 welder models.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original duct geometry and material specifications, maintaining correct airflow routing through the DLW300ES platform.
- Direct-Fit Replacement — Engineered to mount in the exact position of the original duct, connecting to existing attachment points without modification or adaptation to surrounding components.
- Broad DLW300ES Series Coverage — Confirmed fitment across DLW300ES, DLW300ESA, and DLW300ESA1 diesel light welder configurations.
- Sustained Thermal Management — A correctly installed duct channels air as intended through the machine, supporting consistent engine and alternator operating temperatures during extended welding operations.
- Verified Multiquip Part Number — Sourced and sold as D4464400003, matching Multiquip's own parts catalog for accurate ordering and documentation.
The duct on the DLW300ES diesel light welder is a structural airflow component that directs cooling air across the engine and generating components inside the machine's enclosure. By channeling air along a defined path, it prevents hot spots from developing during continuous operation. When a duct becomes cracked, deformed, or missing entirely, airflow is disrupted, which can allow heat to build up and shorten the service life of internal components — making timely replacement important for keeping the welder running at its intended output.
Part Details
| Part Number | D4464400003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Duct DLW-300ES |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
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.