The Multiquip EM968002 is a genuine OEM Coupling Nut 3/4-10 designed for Mayco concrete pump models C30HDNI, C30HDN, C30HDNI Zenith, C30HDNI Precision, C30HDG, C30HDZ, and C30HDGA. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring a correct, trouble-free installation. Sourced directly from Multiquip, the EM968002 is the trusted choice for contractors and pump operators who need a part that works right the first time. Confirm your model code against the fitment list above before ordering to ensure compatibility.
Key Features
- Genuine OEM Threaded Integrity — Manufactured to the original 3/4-10 thread specification, so mating surfaces engage correctly without risk of cross-threading or misalignment.
- Direct-Fit Replacement — Installs in the same position as the original coupling nut with no rework needed on the pump's fluid or mechanical connections.
- Broad C30HD Series Compatibility — Confirmed fitment across C30HDNI, C30HDN, C30HDG, C30HDZ, C30HDGA, C30HDNI Zenith, and C30HDNI Precision Mayco concrete pump variants.
- Maintains Joint Clamping Force — A correctly torqued coupling nut holds hydraulic or mechanical connections under the high cyclic loads produced during concrete pumping; a worn or stripped nut risks joint separation and fluid loss.
- Pressure-System Safety — Fastener integrity in a concrete pump's fluid circuit is critical — using the correct OEM-spec nut ensures rated clamping load is sustained throughout the pump cycle.
A coupling nut is a threaded fastener used to join two externally threaded components — such as rods, hydraulic fittings, or piping sections — end to end within a mechanical or fluid system. On a Mayco concrete pump, coupling nuts secure critical connections in the pumping circuit, maintaining the clamping force needed to withstand the pressure and vibration generated during continuous pumping operation. When a coupling nut becomes stripped, corroded, or damaged, the joint it secures can loosen, leading to leaks, loss of pressure, or component separation that takes the machine out of service.
For questions about fitment or to confirm this is the right part for your machine, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | EM968002 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Coupling Nut 3/4-10 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HDGA |
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.
