The Wacker Neuson Piston Ring Set is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including CT48 walk-behind concrete power trowels, GP5600A, GP6600A, GPS5600A, and GPS6600A portable generators, RD7A tandem rollers, BPU 5045A and BPU 5545A reversible vibratory plate compactors, BFS 1318, 1345, and 1350 series floor saws, and PT4A trash pumps. As a direct Wacker Neuson OEM part, the is manufactured to the same specification as the original ring set installed at the factory, ensuring correct sizing, material grade, and fit within the engine bore. This makes it a dependable choice when performing a top-end engine rebuild or scheduled overhaul across any of the compatible machine families.
Key Features
- OEM Ring Geometry and Material Grade — Manufactured to the exact bore diameter, radial thickness, and tension spec of the original rings, maintaining correct compression seal and oil control performance in the engine cylinder.
- Drop-In Engine Compatibility — Sized to install directly into the engine block without modification; replaces the worn ring set as a complete matched set for consistent gap spacing and seating.
- Broad Wacker Neuson Machine Coverage — A single part number serves CT48 trowels, GP/GPS5600A and GP/GPS6600A generators, RD7A tandem rollers, BPU 5045A/5545A vibratory plates, BFS 1318/1345/1350 floor saws, and PT4A pumps.
- Restored Compression and Power Output — Worn piston rings allow combustion gases to blow past the piston, robbing the engine of power and increasing oil consumption; a fresh ring set restores cylinder pressure and engine efficiency.
- Emission and Oil Consumption Control — Correctly seated rings prevent oil from entering the combustion chamber, reducing blue smoke and keeping the engine within emissions compliance — important for equipment operating under EPA or CSA regulations.
Piston rings form a dynamic seal between the piston and the cylinder wall, performing three jobs simultaneously: containing combustion pressure to drive the piston, scraping excess oil back into the sump, and transferring heat from the piston into the cylinder wall. When rings wear, crack, or lose tension, compression drops, oil burns off in the combustion chamber, and the engine produces visible smoke and reduced output. Replacing the full piston ring set during a top-end rebuild restores the compression seal, brings oil consumption back to normal levels, and returns the engine to its rated power output — extending service life across every machine in which this engine platform is used.
Part Details
| Part Number | 5000217425 |
|---|---|
| Old Part Number | 0217425 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| G 7AI | G7AI | 5000009104 |
| Premium Portable Generator | GP5600A | 5000620094, 5000620095, 5000620381, 5000620382, 5000620984, 5000620979, 5000620980 |
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101, 5000620384 |
| GPS6600A GENERATOR,CAN GFI | GPS6600A | 5000620102, 5000620386, 5000620331 |
| Premium Portable Generator | GP6600 | 5000620385, 5000620989, 5000620990, 5000620985, 5000620986 |
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| Portable Generator | GPS5600A | 5000620981, 5000620982 |
| GPS6600A Generator, EPA | GPS6600 | 5000620987, 5000620988 |
| GP5600A Generator, EPA w/Wheel Kit | GP5600 | 5000620983 |
| Reversible Vibratory Plate, 50 kN, 45cm/18in | BPU 5045A | 5000008545 |
| BFS 1318AB SAW | BFS 1318AB | 5000610091 |
| Petrol Floor Saw BFS 1345AB | BFS 1345AB | 5000610141 |
| Floor Saws | BFSX20A | 5000630203 |
| BFS 1345 SAW,ABZ | BFS 1345ABZ | 5000610242 |
| Floor Saws | BFSX18A | 5000630188 |
| BPU5545A-VIBROPLATE | BPU 5545A | 5000610346, 5100009657 |
| Value Portable Generator | GV5600 | 5000620995 |
| Value Portable Generators | GV6600 | 5000620996 |
| Vibratory Plate BPU 5545A US | BPU 5545A US | 5100000678, 5100009658 |
| Petrol Floor Saw BFS 1350AB | BFS 1350AB | 5100000089 |
| Petrol Floor Saw BFS 1350ABZ | BFS 1350ABZ | 5100000091 |
| Floor Saw | BFS 1318A | 5100004006 |
| Gasoline Powered Floor Saw | BFS 1345A | 5100004007 |
| BFS1345Az Floor Saw | BFS 1345Az | 5100004008 |
| Gasoline Powered Floor Saw | BFS 1350A | 5100004011 |
| Gasoline Powered Floor Saw | BFS 1350Az | 5100004012 |
| RD7Af HRC | RD7Af HRC | 5100006342 |
| RD7Afb HRC | RD7Afb HRC | 5100006347 |
| BFS1350 | BFS 1350 | 5100009933 |
| BFS1345 Floor Saw | BFS 1345 | 5100009944 |
| BFS1345 | BFS1345 | 5100029230 |
| BFS1350 | BFS1350 | 5100029231 |
| PT4A | PT4A | 5100042217, 5100042604 |
| PT4A(I) | PT4A(I) | 5100042615 |
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.
