The Multiquip D5444200003 Rear Door DLW-400ES is a genuine OEM replacement designed for DLW400ES, DLW400ESA, DLW400ESA1, and DLW400ESA4 series diesel light welders. As a direct factory replacement, this rear door is built to the same specifications as the original component, ensuring a proper fit to the machine's enclosure. If you need to confirm fitment for your specific serial range, refer to your model code when ordering.
Key Features
- Genuine OEM Construction — Manufactured to the exact panel dimensions and hardware mounting points of the original door, so alignment and closure are consistent with how the machine left the factory.
- Direct Enclosure Fit — Replaces the original rear door on DLW400ES, DLW400ESA, DLW400ESA1, and DLW400ESA4 welders without alteration to the frame or hinges.
- Confirmed DLW400ES Family Fitment — Verified for the DLW400ES series, including DLW400ESA and DLW400ESA4 variants.
- Enclosure Integrity Restored — A properly fitted rear door maintains airflow management inside the unit and protects the engine and electrical components from debris, moisture, and unauthorized access.
- Correct Part Number Verified — Order with confidence using Multiquip part number D5444200003, matched directly to the DLW400ES equipment family.
The rear door on a diesel light welder enclosure plays a critical role in protecting the internal engine, alternator, and electrical systems from environmental exposure. It also helps manage the airflow path that keeps the engine and electrical components operating within safe temperature ranges. A damaged or missing rear door can allow debris and moisture intrusion, increasing the risk of component wear, overheating, and corrosion over time.
DHS Equipment is an authorized Multiquip parts dealer. For fitment questions or help confirming compatibility with your DLW400ES unit, contact our parts team directly.
Part Details
| Part Number | D5444200003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Rear Door DLW-400ES |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
| Welders | DLW400ESA4 |
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.
