The Wacker Neuson 5000159437 is a genuine OEM O-Ring designed for the CT36 and CT48 series walk-behind concrete power trowels. As a direct OEM replacement sourced through the Wacker Neuson parts chain, this O-Ring meets the original engineering specifications for sealing performance, material grade, and dimensional tolerancing. Fitment covers a wide range of CT36 and CT48 variants including the CT36-5A, CT36-6, CT36-8A, CT36-9, CT36-9-V, CT36-400E, CT36-X, CT48-8A, CT48-9, CT48-11A, and CT48-13A-V. When sealing integrity is critical to keeping fluids and pressure contained during concrete finishing operations, specifying the correct part number — 5000159437 — is the straightforward way to restore proper function.
Key Features
- OEM-Grade Sealing Material — Manufactured to the original elastomer compound specification for correct compression set and fluid resistance in concrete trowel service conditions.
- Drop-In Dimensional Fit — Matches the original groove dimensions exactly, seating correctly without trimming, stretching, or shimming.
- Broad CT36 and CT48 Coverage — Compatible with gasoline-powered CT36 and CT48 walk-behind concrete power trowel variants, including standard, variable-pitch, EU, and X-series configurations.
- Leak Prevention at the Source — A degraded or damaged O-Ring allows fluid bypass that can compromise lubrication, hydraulic pressure, or fuel containment; replacing it promptly protects surrounding components from secondary damage.
- Fluid System Integrity — Correct O-Ring seating is essential in fuel and lubrication circuits; using an improperly sized substitute risks seal failure under operating heat and pressure, creating a fluid leak hazard.
An O-Ring is a circular elastomeric seal that sits in a machined groove to block the passage of fluids or gases between two mating surfaces or components. In walk-behind concrete power trowels like the CT36 and CT48 series, O-Rings are used throughout the fuel, lubrication, and hydraulic circuits to maintain pressure integrity and prevent leaks. When an O-Ring degrades — through heat cycling, chemical exposure, or mechanical wear — it loses its ability to compress and seal, leading to fluid leaks that can quickly escalate into component damage or unsafe operating conditions. Replacing a worn O-Ring with the correct part, such as the Wacker Neuson 5000159437, restores the seal to its intended performance and protects the broader system.
Part Details
| Part Number | 5000159437 |
|---|---|
| Old Part Number | 0159437 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| CT48-8A | CT48-8A EU | 5000620837 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| CT36-400E Trowel | CT36-400E | 5000009448, 5000620828 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| 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 | CT48-9 | 5000620838, 5000009453 |
| 915mm/36in, Walk-Behind Trowel | CT36-X | 5000620036 |
| 915mm/36in, Walk-behind Trowel | CT36-X-C | 5000620039, 5200015336 |
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.
