The Wacker Neuson Piston Rings Set is a genuine OEM component designed for the RD7 series tandem rollers and DPU 4045H, DPU 4545H, DPU 5045H, and DPU 5545H series diesel reversible vibratory plate compactors. Sourced directly through Wacker Neuson's authorized parts program, the delivers the exact material grade, ring gap tolerances, and dimensional spec required by the engine assembly in these machines. This set covers an extensive range of RD7H, RD7He, and DPU Heh, Hech, Heap, and Hec variants across multiple production runs, making it a versatile service part for fleets running mixed configurations. When it's time for an engine rebuild or top-end service, specifying the correct OEM piston rings set keeps the engine performing to its rated output.
Key Features
- OEM Ring Gap and Material Spec — Manufactured to the exact metallurgy and ring gap tolerances specified for the Wacker Neuson engine used across RD7 and DPU H-series machines, ensuring proper cylinder seal from the first startup after rebuild.
- Drop-In Engine Rebuild Fit — Sized to match the original bore dimensions of the diesel engine in these compaction machines; installs using standard engine rebuild procedures with no re-machining required on standard wear cylinders.
- Broad Cross-Series Compatibility — A single part number covers RD7H and RD7He tandem rollers as well as DPU 4045H, DPU 4545H, DPU 5045H, and DPU 5545H vibratory plate compactors across numerous production configurations and regional variants.
- Maintains Compression and Oil Control — A correctly fitted piston rings set restores proper cylinder compression and prevents oil blow-by; worn or broken rings cause loss of power, excessive oil consumption, and eventual engine failure if left unaddressed.
- Fuel System and Emissions Compliance — Correct ring sealing is critical to maintaining the combustion efficiency and emissions compliance of the diesel engine; undersized or worn rings compromise both output and regulatory compliance on worksites with emissions restrictions.
Piston rings seal the gap between the piston and the cylinder wall inside the engine, performing two essential jobs: holding combustion pressure above the piston to generate power, and scraping excess oil back down the cylinder wall to prevent it from burning in the combustion chamber. A healthy set of rings allows the engine to build full compression, run cleanly, and consume minimal oil. When rings wear thin, lose tension, or break, compression drops, power output falls, oil consumption climbs, and the engine may produce blue smoke from the exhaust. Replacing the piston rings set at the correct service interval — or during any top-end or full engine rebuild — restores the engine's sealing integrity and extends the working life of the cylinder bore.
Part Details
| Part Number | 5000207165 |
|---|---|
| Old Part Number | 0207165 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Rings Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD 7S | RD7H-S EU | 5000620795 |
| RD7H-S ROLLER,DOUBLE DRUM | RD7H-S | 5000009487 |
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| RD7 Tandem Roller | RD7H | 5100017195, 5100017338, 5200015242, 5200015245, 5100006333 |
| V.Plate DPU 5045Heap | DPU 5045H | 5000610046, 5000610052, 5000610047 |
| V.Plate DPU 4045Hap | DPU 4045H | 5000610044, 5000610051, 5000610064 |
| DPU5545Heh | DPU5545Heh | 5100009652 |
| DPU5545HEH US | DPU5545Heh US | 5100009653 |
| DPU5545Hehap | DPU5545Hehap | 5100009654 |
| DPU5545Hech | DPU5545Hech | 5100009655, 5100051523 |
| DPU4545Heh | DPU4545Heh | 5100009659 |
| DPU4545HEH US | DPU4545Heh US | 5100009660 |
| DPU4545Hech | DPU4545Hech | 5100015429, 5100051522 |
| DPU5545He | DPU5545He | 5100016947 |
| DPU5545Heap | DPU5545Heap | 5100016949 |
| DPU5545Hec | DPU5545Hec | 5100016950 |
| DPU4545He | DPU4545He | 5100016951 |
| DPU4545Hec | DPU4545Hec | 5100016953 |
| DPU5545H | DPU 5545H | 5100009656, 5000610352 |
| DPU4545H | DPU 4545H | 5100009661, 5000610348 |
| DPU5545HECH US | DPU5545Hech US | 5100016948 |
| DPU4545HECH US | DPU4545Hech US | 5100016952 |
| DPU4545Hechzf | DPU4545Hechzf | 5100022112 |
| DPU 5045He-VIBROPLATE | DPU 5045He US | 5000610367 |
| DPU5545He-VIBROPLATE | DPU 5545He US | 5000610402 |
| Vibratory Plate DPU 4545He US | DPU 4545He US | 5100000679 |
| DPU4545He-VIBROPLATE | DPU 4545He | 5000610347 |
| Vibratory Plate DPU 4545Hap | DPU 4545Hap | 5000610349 |
| Vibratory Plate DPU 5545He | DPU 5545He | 5000610351 |
| Vibratory Plate DPU 5545Heap | DPU 5545Heap | 5000610353 |
| Vibratory Plate | DPU 5545Hec | 5100005859 |
| RD7Heh | RD7Heh | 5100006334 |
| RD7Hf | RD7Hf | 5100006338 |
| RD7Hehf | RD7Hehf | 5100006339 |
| RD7Hfb | RD7Hfb | 5100006343 |
| RD7Hehfb | RD7Hehfb | 5100006344 |
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.
