The Wacker Neuson Retaining Ring is a genuine OEM component designed for a wide range of Wacker Neuson walk-behind concrete power trowels, 6-inch trash pumps, and reversible vibratory plate compactors. This is a direct OEM part sourced through authorized Wacker Neuson supply channels, meaning it meets the exact dimensional and material specifications of the original component it replaces. Compatible equipment includes CT36 and CT48 series walk-behind trowels, PT6LT, PT6LS, and PT6Y series trash pumps, and DPU80, DPU90, and DPU110 series reversible plate compactors. Confirming the part number against your machine's serial number and parts diagram before ordering is always recommended across such a broad fitment range.
Key Features
- OEM Dimensional Accuracy — Manufactured to the exact groove width, inner diameter, and spring tension spec of the original, ensuring the ring seats and retains securely without play or premature disengagement.
- Drop-In Replacement — Matches the original retaining ring profile for straightforward installation using standard snap-ring pliers — no machining or modification to the housing required.
- Broad Cross-Family Fitment — A single part number covering CT36 and CT48 walk-behind trowels, PT6-series 6-inch trash pumps, and DPU80/90/110 reversible plate compactors across multiple model variants.
- Prevents Shaft and Component Migration — A correctly seated retaining ring locks rotating or sliding components in their axial position; a worn or missing ring allows unwanted movement that accelerates wear on adjacent bearings, shafts, and housings.
- Genuine Wacker Neuson OEM Part — Supplied as an original equipment component, not an approximation, so the material grade and hardness match what the machine was designed around.
A retaining ring — also called a snap ring or circlip — is a fastening device that seats into a machined groove on a shaft or inside a bore to lock a component in place axially. Once installed, it prevents gears, bearings, pulleys, or other rotating parts from sliding out of position during operation. When a retaining ring becomes worn, cracked, or dislodged, the component it was holding is free to shift, which can cause accelerated bearing wear, vibration, misalignment, or in some cases catastrophic component failure. Because retaining rings are small and inexpensive relative to the parts they protect, replacing a damaged ring promptly is one of the most cost-effective maintenance steps on any rotating assembly.
Part Details
| Part Number | 5000043180 |
|---|---|
| Old Part Number | 0043180 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Retaining Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| CT48-8A | CT48-8A EU | 5000620837 |
| CT36-400E Trowel | CT36-400E | 5000009448, 5000620828 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174, 5200014741 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| 915mm/36in, Walk-Behind Trowel | CT36-X | 5000620036 |
| 915mm/36in, Walk-behind Trowel | CT36-X-C | 5000620039, 5200015336 |
| DPU80Lec770 | DPU80Lec770 | 5100026787 |
| DPU110Lec870 | DPU110Lec870 | 5100026869 |
| DPU80Lec670 | DPU80Lec670 | 5100027032 |
| DPU110Lec970 | DPU110Lec970 | 5100027035 |
| DPU90Lec670 | DPU90Lec670 | 5100027534 |
| DPU90Lec770 | DPU90Lec770 | 5100027536 |
| DPU80Lem770 | DPU80Lem770 | 5100018444 |
| DPU110Lem870 | DPU110Lem870 | 5100018445 |
| DPU80Lem670 | DPU80Lem670 | 5100024695 |
| DPU110Lem970 | DPU110Lem970 | 5100024696 |
| DPU90Lem770 | DPU90Lem770 | 5100024731 |
| DPU110Lec970 US | DPU110Lec970 US | 5100026784 |
| DPU90Lec770 US | DPU90Lec770 US | 5100028357 |
| DPU110Lem970 US | DPU110Lem970 US | 5100024730 |
| DPU90Lem770 US | DPU90Lem770 US | 5100024732 |
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT 6LS | PT6LS(I) | 5200017427, 5200012427 |
| Trash Pump | PT6LT(I) | 5100014076 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| Trash Pump | PTK6 | 5200007830 |
| DPU110Lekc970 | DPU110Lekc970 | 5100034515 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
| Vibration Plate DPU 80-110(r) KMAT | DPU 80/110 KMAT | 5100016604 |
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.
