The Wacker Neuson Piston Rings Set is a genuine OEM component designed for the BPU series reversible vibratory plate compactors. This set services a broad range of BPU models including the BPU 3050A, BPU 3545A, BPU 4045A, BPU 3750Ats, and their US-market counterparts. As a factory-sourced replacement, the delivers the dimensional accuracy and material consistency your engine rebuild demands. Sourcing the correct piston rings set is critical to restoring compression and protecting long-term engine performance on your reversible plate compactor.
Key Features
- OEM-Matched Ring Geometry — Manufactured to the exact bore diameter, ring width, and gap tolerances specified for BPU series engines, ensuring correct sealing against the cylinder wall.
- Direct Engine Rebuild Replacement — Designed to drop into the existing cylinder bore without machining, aligning with factory groove dimensions for a straightforward installation.
- Broad BPU Series Coverage — Compatible with BPU 3050A, BPU 3545A, BPU 4045A, and BPU 3750Ats models, including US-market variants, making this a versatile stock item for fleet maintenance.
- Compression Restoration — Worn or broken piston rings allow combustion gases to bypass the piston, causing power loss, excessive oil consumption, and hard starting. A fresh set restores full cylinder compression and engine output.
- Fuel System Integrity — Proper ring sealing prevents oil blow-by into the combustion chamber, reducing the risk of fouled spark plugs and uncontrolled oil burning that can damage downstream components.
Piston rings form a dynamic seal between the piston and the cylinder wall inside the engine. They serve three primary roles: containing combustion pressure above the piston to convert fuel energy into mechanical force, scraping excess oil off the cylinder wall to prevent it from entering the combustion chamber, and transferring heat away from the piston into the cooled cylinder bore. When rings wear, lose tension, or break, the engine loses compression, burns oil, and produces visible smoke — symptoms that worsen quickly under the sustained high-vibration loads typical of reversible plate compactor operation. Replacing the piston rings set with a genuine OEM part like the Wacker Neuson 5000217469 is the correct first step in any engine overhaul on these machines.
Part Details
| Part Number | 5000217469 |
|---|---|
| Old Part Number | 0217469 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Rings Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Reversible Vibratory Plate, 35 kN, 45cm/18in | BPU 3545A | 5000008783 |
| BPU 3050A | BPU 3050A | 5000008763 |
| BPU 3050A US | BPU 3050A US | 5000610361 |
| Vibratory plate BPU 4045A | BPU 4045A | 5000610345 |
| BPU3545A-VIBROPLATE | BPU 3545A US | 5000610362 |
| BPU4045A-VIBROPLATE | BPU 4045A US | 5000610403 |
| BPU 3750Ats | BPU 3750Ats | 5000610408 |
| BPU3750Ats | BPU 3750Ats US | 5000610423 |
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.
