The Multiquip 0481150650 O-Ring is a genuine OEM sealing component designed for DLW400ES, DLW400ESA, and DLW400ESA1 series diesel light welders. As a direct OEM replacement, this O-Ring is manufactured to the exact material and dimensional specifications required by Multiquip, ensuring a proper seal every time. Sourced directly through authorized supply channels, part number 0481150650 gives you confidence that you're installing the correct component for your machine. DHS Equipment stocks genuine Multiquip OEM parts to keep your equipment running at full capacity.
Key Features
- Genuine OEM Sealing Material — Manufactured to Multiquip's exact compound and durometer specification, ensuring correct compression and long-term seal integrity under operating temperatures and pressures.
- Drop-In Fit for DLW400ES Series — Engineered to seat correctly in the original groove geometry of DLW400ES, DLW400ESA, and DLW400ESA1 welders without trimming or modification.
- Leak Prevention — A properly seated O-Ring maintains fluid or pressure containment within the system; a cracked or deformed ring leads to leaks that can compromise performance and damage surrounding components.
- Consistent Cross-Section Tolerance — Uniform diameter and cross-section across the full ring ensures even contact pressure around the sealing surface, critical for preventing bypass or weeping under load.
- Fuel or Fluid System Safety — In welder applications where O-Rings are used in fuel or hydraulic circuits, a correctly rated and properly installed ring is essential for safe, leak-free operation.
An O-Ring is a simple but critical sealing component used throughout diesel light welders to prevent the escape of fluids, fuel, or pressurized air between mating surfaces. It sits in a machined groove and relies on controlled compression to form a positive seal. When an O-Ring ages, hardens, or becomes damaged, it loses its ability to seal effectively, leading to leaks, contamination, or pressure loss that can affect overall machine performance and safety.
For fitment questions or ordering assistance, contact DHS Equipment directly — our team can verify compatibility for your specific DLW400ES series machine using your model and serial number.
Part Details
| Part Number | 0481150650 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring |
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.