The Wacker Neuson Piston is a genuine OEM component designed for the TH627 series. As a direct factory replacement, this piston is sourced and manufactured to the same specifications as the original part, ensuring a correct, drop-in installation with no guesswork. Confirmed fitment includes the TH627 (418-02) and associated axle assemblies within the Wacker Neuson product line.
Key Features
- Genuine OEM Construction — Manufactured to original tolerances, ensuring proper bore clearance, ring groove dimensions, and compression sealing critical to consistent engine or hydraulic performance.
- Direct Factory Replacement — Engineered to install in the original position with existing hardware and bore sizing, simplifying the rebuild process.
- Confirmed TH627 Fitment — Verified for the TH627 (418-02) series and related axle assemblies, so you can order with confidence.
- Sustained Power Output — A correctly fitted piston maintains proper compression and stroke efficiency; a worn or damaged piston causes power loss, excessive oil consumption, and accelerated internal wear.
- Long-Term Internal Integrity — OEM material grade and dimensional accuracy help the piston withstand operating pressures and thermal cycling over the life of the machine.
A piston transfers combustion or hydraulic force into mechanical movement within a cylinder, forming the core of the power stroke in an engine or the actuating force in a hydraulic circuit. It must maintain a precise fit against the cylinder wall to preserve compression, prevent blow-by, and ensure efficient energy transfer. When a piston wears, cracks, or loses dimensional accuracy, the result is reduced output, increased fuel consumption, and potential damage to surrounding components including rings, cylinder walls, and connecting rods.
Part Details
| Part Number | 1000089289 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| SPARE PARTS LIST 418-02 / TH627 | TH627 (418-02) | 1000362623 |
| axles | axles | 1000448358, 1000418346 |
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.
