Wacker Neuson 5000216131 Piston Assembly (Standard)

The Wacker Neuson is a genuine OEM Piston Assembly (Standard) designed for the CRT48-35V and CRT48-37V series ride-on trowels, including Power Steer and EU configurations. As a direct factory part, the is manufactured to the exact tolerances required to maintain proper compression, combustion efficiency, and engine output in these machines. Verified fitment covers multiple CRT48 variants, so you can order with confidence knowing this is the correct piston assembly for your model. Keep a genuine Wacker Neuson OEM part in your engine and protect the long-term performance of your ride-on trowel.

Key Features

• OEM Compression Tolerances Met — Manufactured to Wacker Neuson's exact bore dimensions and ring groove specifications, ensuring correct compression ratios are maintained on every stroke.
• Drop-In Engine Replacement — Engineered to install directly into the existing cylinder bore of compatible CRT48 engines with standard tooling — no custom fitting or machining required.
• Broad CRT48 Series Coverage — Fits CRT48-35V, CRT48-37V, CRT48-35V Power Steer, CRT48-37V Power Steer, and EU variants, covering the full range of this ride-on trowel family.
• Restores Full Engine Power Output — A worn or scored piston causes blow-by, loss of compression, and reduced hydraulic drive performance; replacing with this standard assembly restores the engine to proper operating condition.
• Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this is the same piston assembly used in original production — not a generic substitute.

The piston assembly is one of the most critical components inside the engine, converting combustion pressure into the mechanical force that drives the crankshaft and, ultimately, the trowel's rotor arms. As the piston reciprocates within the cylinder bore, its rings form a seal that maintains compression and prevents oil from entering the combustion chamber. When a piston wears, cracks, or its rings lose tension, compression drops, oil consumption rises, and the engine struggles to deliver consistent power — symptoms that worsen quickly under the sustained load of a ride-on trowel in active concrete finishing work.

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.