The Multiquip EM20330 O-Ring is a genuine OEM sealing component designed for the C30HD concrete pump. Sourced directly from Multiquip, this O-Ring is manufactured to the exact material and dimensional specifications required for proper sealing performance in the C30HD pump system. Verify your model code before ordering to confirm fitment with your specific unit.
Key Features
- Exact Material Specification — Manufactured to OEM compound and durometer ratings, ensuring the correct compression set and sealing integrity under pump operating pressures.
- Drop-In Sealing Replacement — Dimensioned to seat correctly in the original groove profile of the C30HD, requiring no trimming or adaptation during installation.
- Confirmed C30HD Fitment — Validated for use in Multiquip C30HD concrete pump applications, so you can order with confidence.
- Leak Prevention at the Source — A correctly seated O-Ring maintains hydraulic and fluid circuit integrity; a worn or damaged O-Ring can cause pressure loss, fluid bypass, and pump output failure.
- Genuine OEM Assurance — Supplied as an authorized Multiquip OEM part through DHS Equipment, matching the original part used in production assembly.
An O-Ring is a precision-formed elastomeric seal used throughout concrete pump systems to prevent fluid or pressure from escaping at connection points, valve bodies, and cylinder interfaces. When an O-Ring hardens, cracks, or deforms, it loses its ability to maintain a tight seal, leading to pressure drop, fluid leakage, and inconsistent pump output. Replacing a worn O-Ring with the correct OEM-spec part restores the sealed circuit and keeps the pump delivering concrete at the intended flow and pressure.
Part Details
| Part Number | EM20330 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HD |
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.