The Multiquip EM14422 Square Seal is a genuine OEM replacement sealing component designed for the C30HD concrete pump. Sourced directly from Multiquip, this seal is manufactured to the same specifications as the original part, ensuring consistent performance and a proper fit within the pump's hydraulic or fluid sealing system. If you're servicing a C30HD and need a verified, drop-in replacement seal, EM14422 is the correct part.
Key Features
- Genuine OEM Sealing Material: — Manufactured to the same material grade and compression profile as the original, maintaining the seal integrity that square-profile seals are specifically designed to provide.
- Direct-Fit Replacement: — Profile and dimensions match the original seat geometry on the C30HD, allowing straightforward installation without machining or adjustment.
- Confirmed Fitment: — Verified for use on the Multiquip C30HD concrete pump.
- Leak Prevention: — A correctly seated square seal maintains positive fluid containment within the pump assembly; a worn or damaged seal leads to fluid bypass, pressure loss, and pump inefficiency.
- Fluid System Compliance: — Using the correct OEM-spec seal helps prevent hydraulic or fluid contamination caused by an improperly sized or incompatible aftermarket seal.
A square seal is a static or dynamic sealing ring with a square cross-section, used to prevent fluid leakage between mating components inside a pump or hydraulic assembly. Unlike round O-rings, the flat faces of a square seal provide a larger contact surface, which helps maintain a more stable seal under pressure and reduces the chance of twisting or rolling out of the groove during operation. When a square seal degrades, cracks, or is improperly seated, the result is fluid leakage, loss of operating pressure, and potential damage to surrounding components — making timely replacement critical to keeping the C30HD running at full capacity.
Part Details
| Part Number | EM14422 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Square Seal |
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.
