The Multiquip 1466000130 is a genuine OEM Volute Casing designed for QP4TH, QP4TZ, QP4TKT, QP4TB, and QP4TK series trash pumps. As a direct OEM replacement, this casing is manufactured to the same tolerances and material specifications as the original component, ensuring a precise, bolt-on installation with no guesswork. Sourced directly through Multiquip's authorized parts network, this is the part your pump was built around. Confirm your model code against the fitment list — QP4TH, QP4TZ, QP4TKT, QP4TB, and QP4TK are all covered by this single part number.
Key Features
- OEM-Grade Casting Integrity — Manufactured to the same material and dimensional standards as the original, maintaining the internal flow geometry the impeller depends on.
- Direct Bolt-On Replacement — Matches the original mounting pattern and port configuration on QP4T-series trash pumps for a straightforward swap.
- Broad QP4T Series Fitment — Verified compatible with QP4TH, QP4TZ, QP4TKT, QP4TB, and QP4TK models, covering Honda, Hatz, Briggs, and Kubota-powered variants in the QP4T lineup.
- Restored Pump Output — A sound volute casing maintains the pressure differential the impeller generates; a cracked or eroded casing causes recirculation losses, reduced flow rate, and cavitation damage.
- Genuine OEM Sourcing — Carries Multiquip OEM status, making it the correct replacement for operators who need to meet equipment maintenance documentation requirements.
The volute casing is the outer housing that surrounds the impeller inside a centrifugal or trash pump. Its spiraling internal profile converts the high-velocity fluid thrown off by the spinning impeller into usable pressure, directing flow efficiently toward the discharge port. When a volute casing cracks, erodes from abrasive debris, or develops internal wear, the pump loses its ability to build and sustain pressure — resulting in reduced flow, overheating of the pump body, and accelerated wear on the impeller and seal. Replacing a damaged casing with the correct OEM unit restores the intended hydraulic efficiency and protects the surrounding pump components.
For questions about fitment or to verify this part is correct for your specific unit, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 1466000130 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Volute Casing |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | QP4TH |
| Trash Pumps | QP4TZ |
| Trash Pumps | QP4TKT |
| Trash Pumps | QP4TB |
| Trash Pumps | QP4TK |
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.