Multiquip 511245 Seal Sleeve Shaft

The Multiquip 511245 Seal Sleeve Shaft is a genuine OEM component designed for MQ600 series trash pumps, including the MQ600TD80-TLRB, MQ600TD80-TLRP, MQ600H, MQ600HTB, and MQ600HTP. As a direct Multiquip OEM part, 511245 is manufactured to the same specifications as the original, ensuring a consistent fit within the pump's shaft seal assembly. If you're servicing any of the MQ600 series trash pumps, this is the correct replacement sleeve to restore proper sealing performance.

Key Features

• Genuine OEM Shaft Integrity — Machined to OEM dimensional tolerances to maintain correct shaft alignment and seal compression within the pump housing.
• Direct Drop-In Installation — Designed to seat precisely in the shaft seal cavity of MQ600 series trash pumps, allowing a straightforward swap during routine seal service.
• Broad MQ600 Series Coverage — Compatible with the MQ600TD80-TLRB, MQ600TD80-TLRP, MQ600H, MQ600HTB, and MQ600HTP trash pumps.
• Protects the Mechanical Seal — A correctly fitted sleeve provides the smooth, concentric surface the mechanical seal rides on; a worn or scored sleeve accelerates seal wear and leads to pump leaks.
• Fluid Containment Assurance — In a trash pump application, a failed shaft sleeve can allow water and debris to migrate along the shaft, damaging bearings and contaminating the mechanical seal — this OEM sleeve maintains the barrier.

The seal sleeve shaft surrounds the pump's drive shaft at the point where the mechanical shaft seal makes contact. Its primary job is to provide a hardened, precision-ground surface for the seal to ride against, preventing water and abrasive slurry from working their way past the seal and into the bearing cavity. Over time, the sleeve can develop grooves or scoring from continuous seal contact, compromising the seal's ability to hold back fluid. Replacing a worn sleeve restores the sealing surface and extends the life of both the mechanical seal and the bearings behind it.

Part Details

Compatibility & Fitment

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.