The Multiquip 0803442930 is a genuine OEM Mechanical Seal designed for QP-series trash pumps and centrifugal pumps, including QP2TH, QP3TH, QP4TH, QP3TZ, QP2TZ, QP4TZ, QP3THX, QP4TKT, QP2TK, QP3TK, QP4TK, QP3TS, QP2TB, QP3TB, QP4TB, and QP2TH models. As a genuine OEM component sourced directly through Multiquip's authorized parts network, it delivers the exact specification required to restore proper pump operation. This seal is a critical wear item — keeping it in good condition is essential to preventing fluid bypass and protecting the pump's internal rotating assembly.
Key Features
- Genuine OEM Sealing Specification — Manufactured to the exact material grade and compression rating required by Multiquip for QP-series pump applications, ensuring consistent face-to-face contact and leak-free operation.
- Direct-Fit Replacement — Matches the original seal dimensions and shaft interface, dropping into place without modification during pump rebuild or service.
- Broad QP-Series Compatibility — Fits a wide range of QP2, QP3, and QP4 trash and centrifugal pump models, making it a practical seal to keep on the service shelf when working across multiple units.
- Protects Internal Pump Components — A functioning mechanical seal keeps pumped fluid from migrating along the drive shaft into the bearing housing and engine compartment, preventing accelerated wear on bearings and other rotating parts.
- Fuel and Fluid System Integrity — On pumps handling dirty water, slurry, or debris-laden fluids, a compromised seal can allow abrasive material to contaminate critical assemblies — replacing this seal at the first sign of weeping is essential to safe pump operation.
A mechanical seal is the rotating face-to-face barrier that prevents pumped liquid from escaping along the pump shaft where it exits the pump casing. It consists of a stationary seat pressed into the pump housing and a rotating face mounted on the impeller shaft — spring tension holds the two lapped faces together to form a continuous fluid-tight junction. When the seal wears, warps, or cracks, liquid begins to leak at the shaft, leading to reduced pump output, fluid contamination of the bearing cavity, and eventual shaft and bearing failure if left unaddressed. Replacing the Multiquip 0803442930 at the first sign of shaft-area leakage is the most cost-effective way to restore full pump performance and protect the surrounding assembly.
For fitment questions or to confirm this Mechanical Seal is the correct part for your specific QP-series pump, contact the DHS Equipment parts team.
Part Details
| Part Number | 0803442930 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | QP3TH |
| Trash Pumps | QP4TH |
| Trash Pumps | QP3TZ |
| Trash Pumps | QP2TZ |
| Trash Pumps | QP4TZ |
| Trash Pumps | QP3THX |
| Trash Pumps | QP4TKT |
| Trash Pumps | QP2TK |
| Trash Pumps | QP3TK |
| Trash Pumps | QP4TK |
| Trash Pumps | QP3TS |
| Trash Pumps | QP2TB |
| Trash Pumps | QP3TB |
| Trash Pumps | QP4TB |
| Trash Pumps | QP2TH |
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.
