The Multiquip 0808112320 Mechanical Seal is a genuine OEM component designed for QP303H and QP303B centrifugal pumps. As a direct OEM replacement, it meets the original design tolerances required to maintain a leak-free seal between the rotating pump shaft and the pump housing. This part is confirmed for use on the QP303H and QP303B pump models, making it a straightforward, confidence-first choice when servicing your Multiquip centrifugal pump. Sourced directly through authorized distribution channels, the 0808112320 carries the same fit and material specification as the seal your pump shipped with from the factory.
Key Features
- OEM-Grade Seal Face Materials — Manufactured to the original material specification for proper face loading and compression, critical for maintaining a watertight barrier under continuous pump rotation.
- Drop-In Shaft Compatibility — Engineered to the exact shaft diameter and housing bore dimensions of QP303-series pumps, so installation follows the standard service procedure without reworking the housing.
- Confirmed Fitment for QP303H and QP303B — Verified for both the Honda-powered QP303H and the Briggs and Stratton-powered QP303B centrifugal pump models.
- Prevents Shaft Leakage and Bearing Contamination — A worn or failed mechanical seal allows pumped water to migrate along the shaft, leading to bearing failure and accelerated pump damage — replacing it promptly protects the rest of the pump assembly.
- Genuine Multiquip OEM Part — Supplied as an authorized OEM replacement under part number 0808112320, ensuring you receive the correct seal specification for your pump model rather than a generic alternative.
A mechanical seal is the primary barrier that prevents fluid from escaping along the rotating shaft of a centrifugal pump. It works by pressing two precision-lapped faces — one stationary, one rotating — together under spring load, creating a seal that holds even under continuous operation and varying pressures. When a mechanical seal wears or cracks, the pump will begin leaking from the shaft area, and if left unaddressed, the leaking fluid can reach and destroy the pump bearings, turning a simple seal replacement into a much more costly repair.
For fitment questions or to confirm this part is correct for your specific QP303H or QP303B unit, contact DHS Equipment directly.
Part Details
| Part Number | 0808112320 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| Centrifugal Pumps | QP303H |
| Centrifugal Pumps | QP303B |
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.
