The Multiquip 4412000130 Volute Casing is a genuine OEM component designed for MQ trash pump equipment. As a direct OEM replacement, it is manufactured to the same specifications as the original part, ensuring a correct, trouble-free installation on your pump. This casing is the right choice for operators looking to restore full pump performance on MQ series trash pumps. Confirm your model number before ordering to ensure compatibility with your specific unit.
Key Features
- Genuine OEM Construction — Cast and shaped to the exact hydraulic profile of the original, preserving the tight clearances that MQ trash pumps depend on for efficient fluid movement.
- Direct-Fit Replacement — Bolt pattern, inlet and outlet ports, and impeller clearance match the original housing, so the casing drops in without modification to mounting hardware or plumbing connections.
- Compatible with MQ Trash Pumps — Engineered specifically for MQ series trash pump models, keeping your machine in the field with a verified OEM component.
- Restored Flow and Pressure — A cracked, eroded, or worn volute casing causes pressure loss and inefficient priming; replacing it with this OEM part brings discharge performance back to original operating levels.
- Corrosion and Wear Resistance — Built from the same materials Multiquip specified for the original, standing up to the abrasive slurries and debris-laden water that trash pumps handle on demanding job sites.
The volute casing is the outer housing that surrounds the impeller and gives the pump its characteristic spiral-shaped internal passage. As the impeller spins and throws fluid outward, the gradually widening volute channel converts that rotational energy into pressure and directs flow toward the discharge port. When the casing is cracked, worn, or badly eroded, fluid recirculates internally rather than exiting through the discharge, causing a noticeable drop in flow rate and priming ability. Replacing a damaged volute casing is one of the most direct ways to bring a struggling trash pump back to full working capacity.
Part Details
| Part Number | 4412000130 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Volute Casing |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Trash Pumps | MQ41TDH |
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.
