Multiquip 2742340303 Piston 0.50MM

The Multiquip 2742340303 Piston 0.50MM is a genuine OEM piston designed for MT54F, MT55F, MTR40F, and MVC-40G equipment. As an oversized 0.50MM piston, this component is an exact-spec replacement intended for engines that have been bored to the 0.50MM oversize during a rebuild. Sourced directly from Multiquip, the 2742340303 carries the same specifications as the original production part, ensuring proper compression and fit within the cylinder bore.

Key Features

• Genuine OEM Specification: — Cast and machined to the exact 0.50MM oversize tolerance required for a properly bored engine, ensuring correct compression ratios and ring seating specific to this piston application.
• Drop-In Oversize Rebuild Fit: — Designed to install directly into a cylinder bored to the 0.50MM oversize specification, with matched ring grooves and wrist pin dimensions aligned to the original engine design.
• Broad Rammer and Compactor Compatibility: — Confirmed fitment across MT54F and MT55F tampers, MTR40F trench rammer, and MVC-40G vibratory plate compactor models.
• Sustained Engine Output: — A correctly sized oversize piston restores proper cylinder compression lost to bore wear, bringing engine power and fuel efficiency back to original operating levels.
• Fuel System Integrity: — Proper piston-to-wall clearance prevents blow-by that can contaminate oil and cause premature engine failure, keeping combustion gases where they belong.

A piston is the reciprocating component inside the engine cylinder that converts combustion pressure into mechanical force, driving the crankshaft and ultimately powering the machine. Over time, the cylinder bore and piston skirt wear, increasing clearance and reducing compression — resulting in hard starting, loss of power, and increased oil consumption. An oversized 0.50MM piston is used during an engine rebuild after the cylinder has been bored out to remove wear and restore a true, smooth bore surface. Installing the correct oversize piston re-establishes the proper clearance between piston and cylinder wall, bringing compression and engine performance back to specification.

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.