The Multiquip 22023G5110 Synk Seat is a genuine OEM component designed for C30HDNI and C30HDN series Mayco concrete pumps. As a direct Multiquip OEM part, it is manufactured to the same specifications as the original, ensuring a correct installation without guesswork. This seat is compatible with C30HDNI, C30HDNI Precision, C30HDN, and C30HDNI Zenith models, making it the right choice for operators maintaining any of these units. Sourcing the correct OEM Synk Seat means protecting the hydraulic integrity of your pump's synchronization valve circuit and maintaining consistent output performance on the job.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to exact Multiquip tolerances, ensuring the seating surface holds a proper seal under the operating pressures of a concrete pump hydraulic circuit.
- Direct-Install Replacement — Matches the original seat geometry for a drop-in installation within the synchronization valve assembly — no modification or rework needed.
- Broad C30HD Series Coverage — Fits C30HDNI, C30HDNI Precision, C30HDN, and C30HDNI Zenith Mayco concrete pump models.
- Protects Pump Synchronization — A properly seated sync valve maintains accurate stroke timing between the two concrete cylinders; a worn or damaged seat causes erratic output and hydraulic bypass.
- Pressure-Circuit Safety — In a high-pressure concrete pump circuit, a compromised seat can lead to uncontrolled hydraulic pressure — using the correct OEM part maintains system integrity and safe operation.
The Synk Seat is a precision seating component within the synchronization valve assembly of a hydraulic concrete pump. It provides the sealing surface against which the valve element closes, allowing the pump's control circuit to coordinate the alternating strokes of the two concrete cylinders in proper sequence. When the seat becomes worn, cracked, or eroded, the valve can no longer seal completely, causing hydraulic fluid to bypass and disrupting stroke timing — which results in uneven concrete output, pressure loss, or pump stalling. Replacing a damaged Synk Seat with the correct OEM part restores the valve's ability to hold pressure and keep both cylinders cycling in sync.
Part Details
| Part Number | 22023G5110 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Synk Seat |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
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.
