The Multiquip 0481606230 is a genuine OEM O Ring D722-E2B DLW-300ES designed for the DLW-300ES diesel light welder and D722-E2B engine. As a direct OEM replacement, this O ring is manufactured to the exact material and dimensional specifications called out for this application, ensuring a proper seal where it counts. Sourced directly through authorized Multiquip supply channels, this part carries the full confidence of OEM provenance for DLW-300ES and D722-E2B fitted equipment. DHS Equipment stocks this part ready to ship so you can get your machine back in service fast.
Key Features
- OEM-Grade Sealing Material — Manufactured to the exact compound and durometer specification required for the D722-E2B engine environment, maintaining consistent compression and leak-free sealing under operating temperatures.
- Drop-In Replacement — Matches the original groove dimensions and cross-section of the factory O ring, seating correctly without trimming or reworking the mating surfaces.
- Confirmed Fitment — Verified for use on the DLW-300ES diesel light welder equipped with the D722-E2B engine.
- Prevents Fluid Intrusion and Leakage — A failed or hardened O ring allows oil, coolant, or fuel to bypass the sealed interface, leading to contamination or fluid loss that can take the machine out of service.
- Fuel and Fluid System Integrity — Correct O ring sealing is essential to maintaining safe containment of flammable or pressurized fluids in diesel welder applications — do not substitute with an unspecified generic seal.
An O ring is a precision-molded elastomeric seal that sits in a machined groove between two mating components, compressing to form a leak-tight barrier against fluids or gases under pressure. In diesel engine and welder applications, O rings are used throughout the fuel, lubrication, and cooling circuits to prevent leaks at fittings, housings, and covers. When an O ring ages, hardens, or takes a set, it loses its ability to maintain that seal — resulting in fluid seepage that can cause low oil pressure, fuel contamination, overheating, or a fire hazard if left unaddressed. Replacing a worn O ring with the correct OEM part restores the sealed interface to its original integrity.
Part Details
| Part Number | 0481606230 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring D722-E2B DLW-300ES |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW-300ES |
| D722-E2B | D722-E2B |
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.
