The Multiquip 50433900 O-Ring 1.0x3.3 is a genuine OEM seal designed for QP2TZ and QP3TZ series trash pumps. Sourced directly from Multiquip, this O-ring matches the exact material grade and dimensional profile specified for these pumps, ensuring a proper compression seal at the point of installation. If you are chasing a fluid leak or completing a seal service on your QP2TZ or QP3TZ, replacing this component with the correct OEM part is the surest way to restore pump integrity.
Key Features
- Exact-Dimension Sealing Surface — Manufactured to a 1.0x3.3 cross-section and inner diameter specification, matching the original seal geometry for full compression on reassembly.
- Genuine OEM Part — Supplied by Multiquip as a genuine replacement, ensuring the correct compound and hardness rating for pump fluid compatibility.
- Direct Fitment for QP2TZ and QP3TZ — Confirmed OEM replacement for Multiquip QP2TZ and QP3TZ trash pump models; installs without modification.
- Leak Prevention at the Source — A correctly seated O-ring maintains internal pressure and prevents fluid bypass, keeping pump output consistent and protecting surrounding components from moisture damage.
- Fluid System Integrity — On pump applications, a degraded or incorrectly sized O-ring can compromise prime and allow contaminants to enter sealed cavities — using the correct OEM seal eliminates that risk.
An O-ring is a circular elastomeric seal used to close the gap between two mating surfaces, preventing fluid or air from leaking past the joint under pressure. In a trash pump, O-rings are found throughout the fluid path and housing connections, where they maintain prime and keep pump output where it belongs. When an O-ring hardens, cracks, or is displaced, the pump can lose prime, draw air, or leak at the affected joint — replacing it promptly with the correct size and compound restores the sealed system to full working condition.
For fitment questions or assistance confirming compatibility with your equipment, contact the DHS Equipment team directly.
Part Details
| Part Number | 50433900 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring 1.0x3.3 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | QP2TZ |
| Trash Pumps | QP3TZ |
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.