The Multiquip 2025100 Retaining Ring is a genuine OEM component designed for MQ and STOW diaphragm pump models including MQ-D305, D306, MQ-D206H, MQ-D306HA, SDP-2, SDP-3, and CA90749 series equipment. As a direct OEM replacement, this retaining ring is manufactured to the exact specifications Multiquip requires for proper pump assembly and long-term service life. Sourced directly through authorized Multiquip supply channels, part number 2025100 ensures you are installing the correct component the first time. DHS Equipment stocks genuine Multiquip OEM parts to keep your diaphragm pumps operating at peak efficiency.
Key Features
- Genuine OEM Retention Strength — Manufactured to Multiquip's exact circlip tolerances, ensuring the ring seats and holds securely within the pump assembly without loosening under operational vibration.
- Drop-In Fitment — Matches the original groove dimensions in Multiquip and STOW diaphragm pump housings, allowing straightforward installation without machining or modification.
- Broad Diaphragm Pump Compatibility — Confirmed fitment across MQ-D305, D306, MQ-D206H, MQ-D306HA, SDP-2, SDP-3, and CA90749 diaphragm pump models.
- Critical Assembly Integrity — Keeps internal pump components properly indexed and retained, preventing axial movement that can lead to accelerated wear, misalignment, or pump failure.
- Authorized Multiquip OEM Part — Supplied as a genuine Multiquip replacement, so the ring material grade, temper, and dimensional profile match the original production specification exactly.
A retaining ring — also known as a circlip or snap ring — is a fastening component used inside pump assemblies to secure rotating or stationary parts within a bore or on a shaft, preventing lateral movement without the need for threaded fasteners. In a diaphragm pump, retaining rings hold critical internal components in their correct positions so the pump can maintain consistent pressure and flow during operation. When a retaining ring becomes worn, cracked, or dislodged, internal components can shift out of alignment, causing erratic pump performance, accelerated wear on surrounding parts, or a complete loss of pumping function.
Part Details
| Part Number | 2025100 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Retaining Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | D306 |
| STOW Diaphragm Pumps | SDP-3 |
| STOW Diaphragm Pumps | CA90749 |
| MQ Diaphragm Pumps | MQ-D206H |
| MQ Diaphragm Pumps | MQ-D306HA |
| STOW Diaphragm Pumps | SDP-2 |
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.
