The Multiquip 0489312820 O-Ring Casing Volute is a genuine OEM sealing component designed for MQ series trash pumps. As a direct OEM replacement, this o-ring is manufactured to the exact material grade and dimensional specifications required for proper casing-to-volute sealing on MQ trash pump models. Sourced directly through authorized Multiquip supply channels, the part ensures the sealing interface performs exactly as the pump was engineered to operate. DHS Equipment stocks this part to keep your MQ trash pump running without leaks or loss of prime.
Key Features
- OEM Material Grade Sealing: — Molded to the precise durometer and cross-section spec required at the casing-volute interface — no guessing on seal compression or chemical compatibility.
- Drop-In Casing Fit: — Seats directly into the volute casing groove without trimming or stretching, restoring a leak-free interface at reassembly.
- MQ Trash Pump Compatibility: — Confirmed fitment for MQ series trash pumps; verify your model against part number 0489312820 before ordering.
- Maintains Prime and Discharge Pressure: — A compromised volute o-ring allows air ingestion and pressure loss; replacing it with the correct OEM part restores full suction and discharge performance.
- Genuine Multiquip OEM Part: — Supplied through the authorized Multiquip parts network, so you receive the exact component the pump was built with — not an approximation.
The casing volute o-ring creates an airtight, fluid-tight seal between the pump casing and the volute housing. This seal is essential for maintaining the internal pressure differential that allows the pump to draw water and deliver it at rated flow and head. When this o-ring deteriorates — through chemical exposure, heat cycling, or mechanical wear — the pump loses its ability to hold prime, discharge pressure drops, and cavitation damage can follow. Replacing the 0489312820 O-Ring Casing Volute at the first sign of leakage or priming difficulty is one of the most cost-effective ways to restore full pump output.
Part Details
| Part Number | 0489312820 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring Casing Volute |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Trash Pumps | MQ41TDH |
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.
