Multiquip 511280 Suction Gasket 6"

The Multiquip 511280 is a genuine OEM Suction Gasket 6" designed for MQ600H, MQ600HTB, and MQ600HTP trash pumps. As a direct Multiquip OEM part, it is manufactured to the exact material and dimensional standards of the original component, ensuring a proper seal at the suction inlet every time. This gasket is the correct replacement for all three MQ600H-series pump variants, so you can order with confidence knowing it will seat and seal as intended. Keep a spare on hand to avoid unnecessary pump downtime during demanding dewatering or site drainage operations.

Key Features

• OEM Seal Material Integrity — Manufactured to Multiquip's original compound and thickness spec, delivering consistent compression and leak-free sealing at the suction port under full pump load.
• Drop-In Suction Inlet Fit — Sized precisely for the 6" suction flange on MQ600H-series pumps, seating flush against the inlet face without trimming or shimming.
• Confirmed MQ600H-Series Compatibility — Verified fitment for MQ600H, MQ600HTB, and MQ600HTP trash pumps; use Multiquip part number 511280 to confirm your application.
• Maintains Full Suction Efficiency — A correctly sealed suction connection prevents air infiltration that causes cavitation, loss of prime, and reduced flow output on high-volume trash pump operations.
• Fuel and Fluid Resistance — Gasket material is formulated to hold up against the debris-laden water and chemical exposure common in trash pump service environments.

The suction gasket forms the pressure seal between the suction hose connection and the pump's inlet housing. Without an intact gasket, air can be drawn into the suction line alongside the water, disrupting the pump's ability to maintain prime and significantly reducing its flow rate and lift capacity. A worn, cracked, or compressed gasket is one of the most common causes of a trash pump losing prime mid-operation — replacing it with a correct OEM part restores the airtight seal the pump depends on to move water efficiently.

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.