The Wacker Neuson Piston Ring Set is a genuine OEM component designed for a wide range of Wacker Neuson walk-behind concrete trowels, single-direction vibratory plate compactors, reversible vibratory plate compactors, portable generators, and related power equipment. As a factory-sourced part, it is manufactured to the exact tolerances and material specifications required by Wacker Neuson engines used across the CT30, CT36, WP1540, WP1550, BPU 2440A, BPU 2450A, BPU 2540A, and G2.1A/G2.5A/G5.7A series, among others. Choosing the correct OEM piston ring set ensures that combustion sealing, oil control, and compression characteristics are restored to as-built engine specifications. This is a direct-fit replacement sourced from Wacker Neuson, so it integrates with the engine assembly without modification.
Key Features
- OEM Combustion Sealing Integrity — Manufactured to Wacker Neuson's exact ring gap tolerances and surface finish specifications, ensuring proper compression sealing from the first start-up after installation.
- Correct Ring Profile for Engine Bore — Matches the original ring geometry, tension, and material grade for the specific engine bore used across compatible Wacker Neuson equipment — installs directly into the existing piston grooves.
- Broad Cross-Family Fitment — Confirmed fit across CT30 and CT36 walk-behind concrete trowels, WP1540 and WP1550 single-direction vibratory plates, BPU 2440A, BPU 2450A, and BPU 2540A reversible vibratory plates, G2.1A, G2.5A, and G5.7A portable generators, and additional power units.
- Restores Engine Compression and Power Output — Worn or broken piston rings cause loss of compression, excessive oil consumption, and hard starting. A fresh set restores combustion pressure so the engine delivers its rated output and fuel efficiency.
- Oil Control Ring Included — The set addresses both compression and oil control functions, preventing oil from entering the combustion chamber and reducing exhaust smoke and fouling associated with ring wear.
Piston rings seal the gap between the piston and the cylinder wall, performing two critical jobs: holding combustion pressure above the piston so the engine produces power, and scraping excess oil off the cylinder wall to prevent it from burning in the combustion chamber. Over time, rings wear, lose tension, or break, which causes a drop in compression, increased oil consumption, blue exhaust smoke, and difficulty starting. Replacing the piston ring set restores the engine's ability to build and hold compression, returning it to normal power output and reducing the risk of further internal engine damage from uncontrolled oil burning.
Part Details
| Part Number | 5000081995 |
|---|---|
| Old Part Number | 0081995 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| PG3A | PG3A | 5000007659, 5000009055 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP | 5000007592, 5000007591 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP-E | 5000008034, 5000007697 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT-E | 5000007589, 5000008004 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT | 5000008006, 5000008003 |
| Vibratory Plate, 15kN, 400mm/1 5.5in | WP1540AW | 5000008060, 5000009472, 5000009545 |
| WP1540A VIBROPLATE | WP1540A | 5000008061 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550AW | 5000007576, 5000009486 |
| WP1550A Single Direction Vibratory Plate | WP1550A | 5000007579 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT-E | 5000007590, 5000008008, 5000008226 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT | 5000008013, 5000008007, 5000008198, 5000008225, 5000009480 |
| 50mm/2in Centrifugal Trash Pum p | PT2A | 5000006720, 5000006721 |
| Vibratory Plate | VPA1740 | 5000006794, 5000008062 |
| Vibratory Plate 587mm/18in | VPG165A | 5000008038 |
| 50Hz Portable Generator | G2.1AE | 5000008250, 5000008244, 5000008246, 5000008248 |
| Vibratory Plate | VPA1750 | 5000006792 |
| Vibratory Plate 587mm/18in | VPG170A | 5000008039 |
| 50Hz Portable Generator | G2.1A | 5000008249, 5000008243, 5000008245, 5000008247 |
| Portable Generator | G2.5A | 5000007188, 5000009256 |
| 50Hz Portable Generator | G5.7AE | 5000009017 |
| Vibratory Plate 500mm/19.5in | VPA1350W | 5000006793 |
| Vibratory Plate 400mm/15.5in | VPA1340 | 5000007154 |
| BPU2540A | BPU 2540A | 5000008758 |
| Gasoline Power Unit for Intern al Vibrator | A5000 | 5000009213 |
| Reversible Vibratory Plate, 24 kN, 40cm/16in | BPU 2440A | 5000007867, 5000007869 |
| Vibration Plate BPU 2450A | BPU 2450A | 5000007868 |
| Vibratory Truss Screed, Power Section | HP100 | 5000008291 |
| Vibratory Truss Screed, Power Section | HP50 | 5000008292 |
| Vibratory Truss Screed, Power Section | SP75 | 5000008295 |
| Vibratory Truss Screed, Power Section | SP50 | 5000008296 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| HP50A | HP50A | 5000009508 |
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.
