Multiquip 13205 Valve Spring Seat

The Multiquip 13205 Valve Spring Seat is a genuine OEM component designed for C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith series Mayco concrete pumps. As a direct OEM replacement, this seat is manufactured to the same specifications as the original, ensuring the valve spring is properly located and supported within the pumping circuit. Sourced directly through authorized Multiquip supply channels, the 13205 is a stock-spec part with no guesswork on fitment.

Key Features

• Genuine OEM Construction — Manufactured to original Multiquip specification, delivering the correct seating geometry and material grade required for consistent valve spring load and alignment.
• Direct Drop-In Replacement — Engineered to seat precisely within the valve housing of compatible C30H-series concrete pumps, reinstalling the same way the original came out.
• Broad C30H Series Coverage — Confirmed fitment across C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith Mayco concrete pump models.
• Supports Consistent Pumping Pressure — A correctly seated valve spring maintains proper check valve action; a worn or improperly seated spring leads to pressure loss, backflow, and uneven concrete delivery.
• Fuel and Fluid System Safety Relevance — Proper valve spring seating is critical to maintaining hydraulic circuit integrity in concrete pumping applications, preventing uncontrolled pressure fluctuations.

The valve spring seat is a small but critical component within a concrete pump's valve assembly. It acts as the base on which the valve spring rests, keeping the spring properly aligned and ensuring the check valve opens and closes with consistent force during each stroke of the pump. When this seat becomes worn, cracked, or displaced, the spring loses its correct seating angle, which can cause erratic valve action, reduced output pressure, and inconsistent concrete flow — all of which affect pour quality and crew productivity on the job.

For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment team before ordering.

Part Details

Compatibility & Fitment

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.