The Multiquip EM14331 Spring Backing Plate is a genuine OEM component designed for Mayco C30HD series concrete pumps, including the C30HD, C30HDG, C30HDZ, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith. Sourced directly from Multiquip, this part meets the exact specifications of the original component installed at the factory. Keeping this plate in serviceable condition is essential to maintaining consistent pumping performance and protecting the spring mechanism from wear and misalignment. DHS Equipment stocks genuine Multiquip OEM parts so you can get your C30HD series pump back in operation with confidence.
Key Features
- Genuine OEM Construction — Manufactured to the original material and dimensional spec for the C30HD series, ensuring the spring assembly seats and loads correctly without shimming or reworking.
- Direct-Fit Replacement — Engineered as an exact match for the original mounting position, allowing straightforward installation without custom fitting or component modification.
- Broad C30HD Series Coverage — Compatible with C30HD, C30HDG, C30HDZ, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith concrete pump models.
- Protects Spring Integrity — Provides a stable backing surface that keeps the spring aligned under load, preventing premature spring fatigue and uneven wear on adjacent pump components.
- Verified Part Number — Order EM14331 with confidence knowing it is the correct Multiquip OEM reference for this application in the C30HD pump family.
The spring backing plate serves as the structural seat for the spring assembly within the concrete pump's valve or piston system. It distributes the compression load evenly across the spring, preventing the spring from shifting, cocking, or digging into surrounding components during high-pressure pumping cycles. When this plate becomes worn, cracked, or deformed, the spring can lose its seating geometry, leading to inconsistent valve action, pressure drop, or accelerated wear on the spring and housing — all of which compromise the pump's output and increase the risk of unplanned service.
For fitment questions or to confirm compatibility with your specific C30HD series unit, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | EM14331 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Spring Backing Plate |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HD |
| Mayco Pumps | C30HDGA |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
| 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.
