The Multiquip KIT4TH Mechanical Seal Sleeve O-Rings Kit is a genuine OEM replacement kit designed for QP4TB, QP4TZ, and QP4TH series trash pumps. This complete service kit delivers the sealing components needed to restore pump integrity during routine maintenance or after wear-related leakage, sourced directly from Multiquip to match the original engineering specifications. Verified compatible with QP4TB, QP4TZ, and QP4TH models, this kit eliminates the guesswork of sourcing individual seal components separately. For contractors and operators who depend on consistent pump performance in demanding dewatering and site drainage applications, the KIT4TH keeps your equipment running as intended.
Key Features
- Genuine OEM Sealing Integrity — Every component in this kit meets Multiquip's original material and dimensional standards, ensuring the mechanical seal compresses and seats correctly against the pump shaft.
- Complete Kit Configuration — Includes the mechanical seal, sleeve, and O-rings as a matched set, so all wear-prone sealing components are replaced together in a single service interval.
- Drop-In Compatibility — Engineered as a direct replacement for QP4TB, QP4TZ, and QP4TH trash pumps with no adaptation required to the pump housing or shaft assembly.
- Prevents Shaft and Housing Damage — A compromised mechanical seal allows abrasive slurry to contact the pump shaft and housing; replacing with KIT4TH components stops wear escalation before it reaches critical components.
- Leak-Free Pump Operation — Properly seated O-rings and a correctly loaded mechanical seal maintain the pressure boundary inside the volute, preserving flow rate and suction lift capacity.
- Fuel and Fluid System Safety — Replacing degraded seals eliminates external fluid leakage pathways, reducing the risk of environmental contamination and pump failure on site.
The mechanical seal in a trash pump forms the dynamic pressure barrier between the rotating impeller shaft and the pump's wet end, preventing water, slurry, and debris from migrating along the shaft and escaping the housing. The sleeve protects the shaft from direct contact wear, while the O-rings create static seals at critical joints within the pump body. When any of these components wear or crack, the pump begins to leak externally, loses suction efficiency, and can allow abrasive material to accelerate damage to the shaft and bearing assembly. Replacing the full seal kit — rather than individual components — ensures all sealing surfaces are renewed at the same time, restoring full pump performance and extending the service life of the surrounding components.
Part Details
| Part Number | KIT4TH |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Mechanical Seal Sleeve O-Rings Kit |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | QP4TB |
| Trash Pumps | QP4TZ |
| Trash Pumps | QP4TH |
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.
