The Multiquip 0489352800 O Ring Casing is a genuine OEM component designed for the QP-301A quick-prime trash pump. As a direct OEM replacement, this part is sourced to the same specifications as the original, ensuring a proper seal within the pump casing assembly. Verified to fit the QP-301A, this is the correct part to specify when servicing or rebuilding your pump.
Key Features
- OEM Seal Material Grade — Manufactured to the original compound and dimensional specification, delivering the compression and chemical resistance required in a pump casing environment.
- Drop-In Casing Fit — Seats directly into the casing groove of the QP-301A without modification, restoring the factory sealing interface between pump housing components.
- QP-301A Compatibility — Confirmed fitment for the Multiquip QP-301A quick-prime trash pump series.
- Leak Prevention — A worn or damaged casing O-ring allows fluid to bypass the seal, causing pressure loss, priming failure, and potential pump damage — replacing it promptly restores full pump output.
- Fuel and Fluid System Safety — Maintaining an intact casing seal prevents uncontrolled fluid leakage around the pump housing, supporting safe operation on the jobsite.
The casing O-ring creates a pressure-tight seal between the pump casing sections, preventing water or slurry from escaping the pump housing during operation. Without an effective seal at this interface, the pump loses the ability to maintain prime and deliver consistent flow, resulting in reduced output or complete pumping failure. Replacing a deteriorated or cracked O-ring is one of the most straightforward steps in restoring a pump to full working condition.
Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team with your model and serial number and we'll verify fitment before you order.
Part Details
| Part Number | 0489352800 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring Casing |
Compatibility & Fitment
| Name | Model |
|---|---|
| QP-301A | QP-301A |
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.