The Multiquip EM491057 O Ring V30 3E is a genuine OEM sealing component designed for V303E, V304EH, V304ER, V304EY, V305EH, and V305EK series walk-behind vibratory rollers. As a direct OEM replacement, EM491057 is manufactured to the same material and dimensional specifications as the original part, ensuring a proper seal every time. Sourced directly through Multiquip's authorized parts network, this O Ring is the correct, confidence-backed choice for keeping your roller operating as intended.
Key Features
- OEM-Grade Sealing Material — Manufactured to the exact compound and durometer specification of the original, delivering consistent compression and leak-free sealing in roller hydraulic and fluid systems.
- Drop-In Fitment — Dimensioned to seat correctly in the original groove without trimming or modification, allowing a straightforward swap during routine service.
- Broad V-Series Roller Compatibility — Confirmed fitment across V303E, V304EH, V304ER, V304EY, V305EH, and V305EK walk-behind vibratory roller models.
- Fluid Integrity Protection — A correctly seated O Ring prevents internal and external fluid leaks that can lead to pressure loss, contaminated components, or hydraulic system damage over time.
- Authorized OEM Sourcing — Supplied through Multiquip's official parts chain, so the part number, dimensions, and material grade match what the machine was built with.
An O Ring is a precisely sized elastomeric seal that sits in a machined groove between two mating surfaces or components, creating a pressure-tight barrier that prevents fluid or air from escaping. In walk-behind vibratory rollers like the V-series, O Rings are used throughout the hydraulic and fluid circuit connections where maintaining internal pressure is critical to consistent drum vibration and smooth operation. When an O Ring wears, hardens, or takes a permanent set, it loses the ability to seal properly — leading to leaks, reduced hydraulic pressure, and potential damage to surrounding components if left unaddressed.
For questions about fitment or to confirm EM491057 is the right part for your machine, contact the DHS Equipment team for expert support.
Part Details
| Part Number | EM491057 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring V30 3E |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | V304EH |
| Rollers | V304ER |
| Rollers | V304EY |
| Rollers | V303E |
| Rollers | V305EH |
| Rollers | V305EK |
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.
