The Wacker Neuson Piston Ring Set (Std) is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including CT36 and CT48 walk-behind trowels, GV5000A and GV5003A portable generators, PT3A centrifugal trash pumps, BPU and BPS vibratory plates, BFS floor saws, and HPG truss screed power sections. As a direct OEM part, the is manufactured to the same specifications as the original, ensuring a correct, reliable fit without modification. This standard-size set is the right choice for engines being rebuilt at stock bore dimensions and covers an extensive list of Wacker Neuson models across multiple product lines.
Key Features
- Genuine OEM Ring Geometry — Each ring in the set is produced to exact bore diameter, width, and gap tolerances, so sealing performance matches the original build specification for these Honda-sourced engines.
- Standard Bore Sizing — Specified for standard (Std) bore engines; confirms this is the correct set when the cylinder has not been rebored or oversize-honed.
- Broad Cross-Model Compatibility — Covers CT36 and CT48 trowels, GV5000A and GV5003A generators, PT3A trash pumps, BPU 3050A, BPU 3750Ats and BPU 4045A vibratory plates, BFS 914 and BFS 940 floor saws, BFS940, BT48A, MPU 29A, HPG50 and HPG100 screed power units, and more.
- Restored Compression and Oil Control — Worn or broken piston rings allow combustion gases to blow past the piston, robbing the engine of power and causing oil consumption; a fresh set restores cylinder pressure and prevents oil from entering the combustion chamber.
- Direct OEM Source — Sold under Wacker Neuson part number 5100000357, this set is sourced through the authorized Wacker Neuson parts network, so fitment accuracy is confirmed against the manufacturer's own parts catalog.
Piston rings seal the gap between the piston and the cylinder wall, maintaining the compression pressure needed for reliable engine starting and full power output. They also regulate oil by scraping excess lubricant back down the cylinder bore, preventing it from burning in the combustion chamber. When rings wear, crack, or lose tension, the engine loses compression, burns oil, produces excessive exhaust smoke, and may become difficult or impossible to start — making timely replacement essential during any engine rebuild or overhaul.
Part Details
| Part Number | 5100000357 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set (Std) |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS940 | BFS940 | 5100029229, 5100054574 |
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-8A | CT48-8A EU | 5000620837 |
| GV5000A | GV5000A | 5000009346, 5000009351, 5000009361, 5100006204 |
| 50Hz Portable Value Generator | GV5003A | 5000009347, 5000009362, 5100002154 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP | 5000007596, 5000007595 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP-E | 5000008036, 5000008026 |
| 1220mm/48in Walk-behind Trowel | CT48ADP | 5000007598, 5000007599, 5000008199 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADP-E | 5000008027, 5000008028 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT-E | 5000007594, 5000008012 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADT-E | 5000007597, 5000008016 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT | 5000008014, 5000008011 |
| 1220mm/48in Walk-behind Trowel | CT48ADT | 5000008015, 5000008040 |
| BPU 3050A | BPU 3050A | 5000008763 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| HPG100A | HPG100A | 5000009507 |
| BPU 3050A US | BPU 3050A US | 5000610361 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000006729, 5000006730, 5100058535, 5100058536, 5100042216 |
| BFS 935A SAW,BASIC | BFS 935AB | 5000008910 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| Single Direction Vibratory Pla te, 25kN, 50cm/20in | BPS 2550A | 5000007528 |
| HPG50A | HPG50A | 5000009509 |
| BPU 3750Ats | BPU 3750Ats | 5000610408 |
| BPU3750Ats | BPU 3750Ats US | 5000610423 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| BPU 4045A US | BPU 4045A US | 5100009663 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327, 5100004004 |
| Reversible Plates | MPU 29A | 5000630244 |
| Value Portable Generator | GV3800 | 5000620994 |
| Vibratory Truss Screed, Power Section | HPG100 | 5000008293 |
| Vibratory Truss Screed, Power Section | HPG50 | 5000008294 |
| Floor Saw | BFS 914A | 5100004002 |
| Floor saw BFS940 | BFS 940 | 5100009934 |
| GP3800A | GP3800A | 5100041978 |
| PT3A(I) | PT3A(I) | 5100042614 |
| BT48A | BT48A | 5100081471 |
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.
