Wacker Neuson 5100068990 Piston

The Wacker Neuson Piston is a genuine OEM Piston designed for a wide range of Wacker Neuson DPU-series vibration plate compactors, including the DPU5260, DPU5275, DPU6260, DPU6275, DPU5545, DPU6555, and DPU5247 series models. As a direct factory replacement, this piston is manufactured to the exact tolerances required by Wacker Neuson to maintain proper compression and engine performance. Sourcing a genuine OEM part means you get the precise geometry, ring groove dimensions, and material grade specified for these engines — no guesswork, no adaptation. Confirm your model number against the fitment list before ordering to ensure this is the correct piston for your machine.

Key Features

• OEM Compression Integrity — Manufactured to Wacker Neuson's exact bore diameter and crown profile, preserving the compression ratio your engine depends on for reliable ignition and power output.
• Direct Drop-In Replacement — Engineered to the same pin bore dimensions and ring groove specifications as the original, allowing straightforward installation during a standard engine rebuild.
• Broad DPU Series Fitment — Compatible with DPU5247, DPU5260, DPU5275, DPU5545, DPU6260, DPU6275, and DPU6555 series vibration plate compactors, covering a large portion of the Wacker Neuson Honda-engined plate lineup.
• Restored Engine Output — A worn or scored piston causes loss of compression, increased oil consumption, and reduced compaction force; replacing it with part 5100068990 restores full engine output and plate performance.
• Combustion Safety Compliance — A correctly seated OEM piston maintains proper combustion chamber sealing, preventing blow-by and the risk of uncontrolled engine behavior associated with a failing piston in high-cycle compaction equipment.

The piston is a core reciprocating component inside the engine cylinder, converting the force of combustion into the crankshaft rotation that ultimately drives the vibration plate's eccentric mechanism. It works in tight tolerance with the cylinder bore, piston rings, and connecting rod to maintain compression and transfer power efficiently. When a piston wears, cracks, or scores — typically from heat, insufficient lubrication, or extended service hours — compression drops, the engine loses power, and oil consumption rises, all of which directly reduce the compaction output of the plate.

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.