The Multiquip D5454000503 Side Door DLW-400ES is a genuine OEM replacement panel designed for the DLW400ES, DLW400ESA, and DLW400ESA1 diesel light welder series. Sourced directly from Multiquip, this side door matches the original in fit, finish, and construction — ensuring the enclosure seals and functions exactly as intended. If you are restoring a damaged housing or replacing a worn panel, D5454000503 is the correct OEM part for the job.
Key Features
- Genuine OEM Panel Construction — Manufactured to the same material and dimensional standards as the original, maintaining full enclosure integrity on your DLW400ES welder.
- Direct-Fit Replacement — Mounts to the existing hinge and latch points on DLW400ES series machines, requiring no modification to the frame or surrounding panels.
- DLW400ES Series Compatibility — Confirmed fitment for DLW400ES, DLW400ESA, and DLW400ESA1 Multiquip diesel light welder models.
- Enclosure Protection — A correctly fitted side door shields internal components — including the engine, alternator, and fuel system — from debris, moisture, and jobsite exposure that can accelerate wear or cause failures.
- Verified OEM Part Number — D5454000503 is the exact Multiquip part number for this application, eliminating the guesswork of sourcing the right replacement panel.
The side door on a diesel light welder serves as a protective access panel for the machine's internal systems. It shields the engine compartment and electrical components from dust, rain, and physical impact while still allowing technicians quick access for routine servicing. A cracked, bent, or missing side door leaves critical components exposed to the elements, which can lead to premature wear, corrosion, or moisture-related failures — making timely replacement an important part of keeping the machine in working order.
Part Details
| Part Number | D5454000503 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Side Door DLW-400ES |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
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.