The Wacker Neuson Piston is a genuine OEM Piston designed for the RD12-90 series tandem rollers, including both the solid ROPS and foldable ROPS configurations. As a factory-sourced component, it is manufactured to the same specifications as the original part installed at production, ensuring a true match for the application. This piston is the correct replacement for RD12-90 machines and can be confirmed against your roller's model and serial number before ordering.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to the same bore diameter and compression height as the original, maintaining proper cylinder clearance and ring seal integrity specific to this engine application.
- Drop-In Replacement — Engineered to install directly into the existing cylinder bore of the RD12-90, aligning with the original wrist pin, rings, and connecting rod without modification.
- Confirmed RD12-90 Fitment — Compatible with both the RD12-90 Double Drum Solid ROPS and the RD12-90 Tandem Roller Foldable ROPS variants.
- Sustained Compression Performance — A correctly fitted piston maintains proper compression, ensuring the engine delivers consistent power output and smooth operation of the drum drive system.
- Sourced Direct from Wacker Neuson — Genuine OEM origin means the part carries the manufacturer's part number 5000215171 and is traceable to the original design specification.
The piston is a core reciprocating component inside the engine cylinder, responsible for compressing the air-fuel mixture and transferring combustion force to the crankshaft via the connecting rod. It works in close tolerance with the cylinder wall and piston rings to maintain compression and control oil consumption. When a piston wears, scores, or cracks, the engine will lose compression, produce excessive smoke, run roughly, or fail to start — making timely replacement critical to keeping the roller operational.
Part Details
| Part Number | 5000215171 |
|---|---|
| Old Part Number | 0215171 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
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.
