Multiquip 01554500 Cylinder with Piston Assembly

The Multiquip 01554500 Cylinder with Piston Assembly is a genuine OEM component designed for the QP2TZ trash pump. As a factory-sourced part, it is manufactured to the same specifications as the original, ensuring a correct fit within the engine block without guesswork or modification. This assembly is the right call when compression loss, scoring, or piston wear has taken a QP2TZ pump out of service and a full component swap is the fastest path back to operation.

Key Features

• Genuine OEM Precision: — Cylinder bore and piston tolerances are held to original engine specifications, preserving the compression ratio and sealing integrity critical to pump performance.
• Complete Assembly: — Supplied as a matched cylinder and piston unit, eliminating the need to source and pair individual components during engine rebuild.
• Confirmed Fitment: — Engineered specifically for the Multiquip QP2TZ trash pump, so you are installing the correct part the first time.
• Restored Engine Output: — A fresh cylinder and piston restores lost compression, bringing the pump back to its rated prime and flow performance after wear or damage.
• Fuel System Integrity: — Proper cylinder-to-piston fit prevents blow-by that can contaminate the crankcase with unburned fuel, protecting downstream engine components.

The cylinder and piston assembly forms the heart of the engine's power stroke — the piston compresses the air-fuel mixture inside the cylinder bore, and combustion drives the piston down to turn the crankshaft. When the cylinder wall becomes scored or the piston rings lose their seal, compression drops, the engine loses power, and the pump may fail to self-prime or move water at rated capacity. Replacing this assembly as a matched unit restores the tight bore-to-piston clearance the engine depends on and brings the QP2TZ back to full working output.

For fitment questions or help confirming this part against your QP2TZ serial number, contact the DHS Equipment team directly.

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.