The Multiquip 0481400100 O Ring D905 EBG2 is a genuine OEM sealing component designed for DLW400ES series diesel light welders. Sourced directly from Multiquip, this O-ring is manufactured to the exact material grade and dimensional tolerances required for proper compression and sealing in your machine. Confirmed fitment covers DLW400ES, DLW400ESA, and DLW400ESA1 models, so you can order with confidence knowing this is the correct part for your unit.
Key Features
- Correct Compound and Durometer — Genuine OEM material spec ensures the ring compresses and seals to the exact pressure rating required for this application, with no guesswork on compatibility.
- Drop-In Sealing Fit — Dimensioned to the D905 EBG2 profile, this O-ring seats into its groove without stretching or trimming, maintaining consistent contact around the full sealing surface.
- Confirmed Fitment for DLW400ES Series — Verified for DLW400ES, DLW400ESA, and DLW400ESA1 diesel light welder models, covering the full ESA variant range.
- Prevents Fluid and Pressure Loss — A correctly seated O-ring maintains system integrity within the welder's fluid or hydraulic circuit; a worn or cracked ring leads to leaks, contamination, and accelerated component wear.
- Fuel and Fluid System Integrity — Where O-rings are used in fuel or oil passages, a failed seal can introduce air or allow fluid migration — using the correct OEM ring keeps the system properly isolated and operating safely.
An O-ring is a loop-shaped seal used to prevent fluid, gas, or pressure from escaping between two mating surfaces or components. Inside a diesel light welder like the DLW400ES, O-rings are used throughout the engine, fuel system, and hydraulic or oil passages to maintain tight, leak-free connections. When an O-ring ages, hardens, or becomes compressed beyond its elastic limit, it loses its ability to form a complete seal — leading to leaks, loss of system pressure, or contamination that can damage surrounding components. Replacing a worn O-ring promptly with the correct OEM part is one of the simplest and most cost-effective ways to maintain the integrity of the machine's fluid systems.
Part Details
| Part Number | 0481400100 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring D905 EBG2 |
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.
