The Multiquip 50440300 O-Ring is a genuine OEM sealing component designed for QP3TZ and QP2TZ trash pumps and MVH408DZ and MVH308DZ reversible plate compactors. As a direct OEM replacement, this O-Ring is manufactured to the same material and dimensional tolerances as the original part, ensuring a proper compression seal every time. Verified fitment across the QP and MVH equipment families means you can order with confidence and get your machine back in service without second-guessing compatibility.
Key Features
- OEM-Grade Sealing Material — Manufactured to the same compound specification and durometer rating as the original, delivering consistent compression and leak-free sealing across operating temperatures.
- Drop-In Replacement — Dimensionally identical to the factory O-Ring, seating correctly in the original groove without trimming, stretching, or adapting.
- Broad Fitment Coverage — Confirmed for QP3TZ, QP2TZ, MVH408DZ, and MVH308DZ equipment, covering both Hatz diesel-powered trash pumps and heavy-duty reversible plate compactors in the Multiquip lineup.
- Maintains Fluid and Pressure Integrity — A correctly seated O-Ring prevents fluid bypass and pressure loss that can lead to pump cavitation, compactor hydraulic inefficiency, or contamination of internal components.
- Fluid System Safety — On pump and hydraulic applications, a failed or incorrectly sized O-Ring can result in uncontrolled fluid leakage; using the correct OEM part eliminates that risk at the source.
An O-Ring is a circular elastomeric seal that sits within a machined groove and creates a pressure-tight barrier between two mating surfaces or components. On trash pumps like the QP3TZ and QP2TZ, O-Rings maintain the integrity of fluid passages, preventing leakage around fittings, covers, and internal chambers that would otherwise cause loss of prime or pump output. On reversible plate compactors such as the MVH408DZ and MVH308DZ, O-Rings are critical to the hydraulic and lubrication circuits that drive exciter performance — a cracked or deformed O-Ring allows fluid to escape, leading to pressure drop, internal wear, and eventual component failure if left unaddressed.
DHS Equipment is an authorized Multiquip parts dealer. If you need help confirming fitment for part number 50440300 or any other Multiquip component, contact our parts team directly.
Part Details
| Part Number | 50440300 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | QP3TZ |
| Trash Pumps | QP2TZ |
| Plate Compactors | MVH408DZ |
| Plate Compactors | MVH308DZ |
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.