The Multiquip EM491873 is a genuine OEM Gland Connector designed for C30HDNI, C30HDN, C30HDG, and C30HDZ series Mayco concrete pumps. As a factory-sourced component, EM491873 meets the original engineering specifications for these cycloidal-driven units, ensuring a correct, reliable installation. This part is compatible across multiple C30HD variants including Precision, Zenith, and Nissan-fueled configurations, making it a versatile stock item for contractors running mixed fleets of C30-series concrete pumps.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original tolerances for hydraulic sealing integrity, ensuring the connector maintains proper pressure containment within the pump system.
- Direct-Fit Installation — Engineered to seat and thread exactly as the original, with no reworking of ports or fittings required during replacement.
- Broad C30HD Series Compatibility — Fits C30HDNI, C30HDNI Precision, C30HDNI Zenith, C30HDN, C30HDG, and C30HDZ concrete pump models.
- Sustained Flow Performance — A correctly seated gland connector maintains consistent hydraulic or fluid pressure routing, keeping concrete delivery steady and uninterrupted on the pour.
- Leak Prevention — A worn or damaged gland connector can cause fluid loss, pressure drop, or contamination at the connection point; replacing with a genuine OEM part restores a clean, secure seal.
A gland connector is a compression-style fitting used to create a sealed, pressure-tight junction between fluid lines or hydraulic hoses within the pump assembly. On concrete pumps like the C30HD series, this connector plays a critical role in maintaining the integrity of the hydraulic or fluid circuit — any failure at this point can result in leaks, loss of pumping pressure, or contamination that disrupts the entire concrete delivery process. Replacing a failing gland connector promptly with the correct OEM part, such as the EM491873, prevents cascading damage to surrounding seals, hoses, and hydraulic components.
DHS Equipment supplies genuine Multiquip OEM parts with expert support to help you confirm fitment for your specific C30HD pump configuration. Contact our team if you need assistance verifying compatibility before you order.
Part Details
| Part Number | EM491873 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Gland Connector |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
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.
