The Wacker Neuson is a genuine OEM Piston Rings Set 0.25 designed for a broad range of Wacker Neuson equipment powered by the same engine platform, including CRT48-34V ride-on concrete trowels, CT48-13A-V walk-behind trowels, GP6600A and GP6600 portable generators, GV6600A value generators, the G7AI, and the BFS 1318AS self-propelled walk-behind saw. As a factory-sourced component, part meets the exact dimensional and material specifications set by Wacker Neuson, ensuring a proper fit in the cylinder bore without modification. This 0.25mm oversize ring set is intended for engines that have been bored to the corresponding oversize during a rebuild, making it a critical component for restoring compression and oil control after wear. Sourcing the correct oversize set is essential to a successful engine rebuild and long-term performance across any of the compatible machine families.
Key Features
- OEM-Grade Ring Material and Tolerancing — Manufactured to Wacker Neuson's exact specifications for ring thickness, gap clearance, and surface finish, ensuring proper cylinder sealing and oil scraping performance.
- Correct 0.25mm Oversize Designation — Sized specifically for cylinders bored to the 0.25mm oversize, these rings drop into the rebored bore correctly without requiring additional fitting or machining of the ring itself.
- Wide Cross-Model Compatibility — A single part number covers engine rebuilds across CRT48-34V and CT48-13A-V concrete trowels, GP6600A, GP6600, and GV6600A generators, the G7AI, and the BFS 1318AS saw.
- Restores Compression and Engine Efficiency — Worn or broken piston rings allow combustion gases to blow past the piston, robbing power and increasing oil consumption. A fresh set restores the sealing required for full engine output.
- Fuel System and Combustion Integrity — Proper ring sealing is essential for maintaining safe combustion chamber pressure; failing rings can cause rough running, hard starting, and excessive crankcase pressure that stresses seals throughout the engine.
Piston rings seal the gap between the piston and the cylinder wall, serving two critical functions: containing combustion pressure above the piston to generate power, and controlling the thin film of oil below to prevent it from entering the combustion chamber. When rings wear, lose tension, or break, combustion gases escape past the piston — a condition known as blow-by — causing a loss of power, increased fuel consumption, and fouled oil. Replacing the piston rings with a correctly sized oversize set during an engine rebuild restores the cylinder's compression seal, bringing the engine back to its intended output and extending service life across the rebuild.
Part Details
| Part Number | 5000162621 |
|---|---|
| Old Part Number | 0162621 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Rings Set 0.25 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| G 7AI | G7AI | 5000009104 |
| Self-propelled Walk-behind Saw | BFS 1318AS | 5000620085 |
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101, 5000620045, 5000620046, 5000620097, 5000620098, 5000620014, 5000620015, 5000620384 |
| Premium Portable Generator | GP6600 | 5000620385 |
| Value Generator, 60Hz | GV6600A | 5000620289, 5000620336 |
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.
