The Multiquip 0481600390 Filter Cup O-Ring is a genuine OEM sealing component designed for MRH601DS walk-behind rollers, DAC7000SS, DAC7000SSW, and DAC7000SSA diesel-powered generators, and DLW300ES, DLW300ESA, and DLW300ESA1 welders. As an authentic Multiquip OEM part, it is manufactured to the same specifications as the original, ensuring a proper seal at the filter cup interface. Sourcing the correct O-Ring by part number 0481600390 is the most reliable way to confirm compatibility across this range of equipment. DHS Equipment stocks this part ready to ship so you can get your machine back in service without delay.
Key Features
- OEM-Grade Sealing Material — Manufactured to Multiquip's original material and compression specification for a leak-free seal at the filter cup.
- Drop-In Filter Cup Replacement — Seats directly into the filter cup recess with no trimming or adaptation, restoring the original sealing surface.
- Broad Equipment Compatibility — Fits MRH601DS walk-behind rollers, DAC7000SS series generators, and DLW300ES series welders under a single part number.
- Protects Fluid System Integrity — A correctly seated O-Ring prevents unfiltered fluid bypass and external leaks that can lead to contamination or fluid loss.
- Fuel System Safety — A failed or deteriorated O-Ring at the filter cup can allow fuel or oil seepage; replacing it promptly with the correct OEM part supports safe machine operation.
The filter cup O-Ring forms the primary seal between the filter cup and its housing, preventing fluid from bypassing the filter element or leaking externally. When this small sealing ring hardens, cracks, or becomes compressed over time, it loses its ability to maintain that barrier — resulting in fluid seepage, contamination of the system, or reduced filtration efficiency. Replacing the O-Ring as part of routine filter service keeps the fluid circuit sealed and the filtration system functioning as intended.
For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment team directly.
Part Details
| Part Number | 0481600390 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Filter Cup O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | MRH601DS |
| Diesel Powered Generators | DAC7000SS |
| Diesel Powered Generators | DAC7000SSW |
| Diesel Powered Generators | DAC7000SSA |
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
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.