The Multiquip EM490985 Retaining Ring is a genuine OEM component designed for Multiquip walk-behind vibratory rollers and the LS600P concrete pump. This OEM-sourced retaining ring is manufactured to exact Multiquip specifications, ensuring a secure, correctly dimensioned fit within the assembly it secures. Confirmed fitment includes the V303E, V304EH, V304ER, V304EY, V305EH, and V305EK roller models, as well as the LS600P. Sourcing the correct genuine OEM part means no guesswork on dimensions — the EM490985 installs straight into position the same way the original did.
Key Features
- Genuine OEM Retention Integrity — Manufactured to Multiquip's exact groove tolerances, ensuring the ring seats and holds with the same positive retention as the original.
- Direct Drop-In Fit — Matches the original ring profile and diameter so it snaps into the retaining groove without rework or modification to surrounding components.
- Broad Roller Fitment — Compatible with V303E, V304EH, V304ER, V304EY, V305EH, and V305EK walk-behind vibratory rollers, plus the LS600P concrete pump.
- Axial and Radial Load Control — A correctly seated retaining ring prevents shaft or bearing migration under vibration and load, keeping rotating and reciprocating assemblies properly positioned during operation.
- Corrosion-Resistant Material Grade — Constructed from hardened spring steel to resist the deflection fatigue and corrosion common in ground-engaging and pump equipment environments.
A retaining ring is a small but critical fastening component used to secure shafts, bearings, pins, or other rotating parts within a housing or along a shaft. It sits in a precision-machined groove and provides a positive mechanical stop against axial movement — keeping assemblies from shifting or separating under load and vibration. When a retaining ring becomes worn, distorted, or fails, the components it holds in place can migrate or disengage entirely, leading to accelerated wear of adjacent bearings, loss of drive function, and potential damage to the surrounding housing. Replacing a failed or missing retaining ring promptly with the correct OEM part restores proper assembly integrity and protects the more costly components around it.
Have questions about fitment or need help confirming this is the right part for your machine? Contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | EM490985 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Retaining Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | V304EH |
| Rollers | V304ER |
| Rollers | V304EY |
| Rollers | V303E |
| Mayco Pumps | LS600P |
| 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.