The Wacker Neuson is a genuine OEM Exhaust Valve.25 designed for CRT48 and CRT36 series ride-on concrete trowels. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. It is confirmed compatible with the CRT48-25K-L, CRT48-25K-H, CRT36-23K-H, and CRT36-25K-H models, covering both 48-inch and 36-inch ride-on trowel configurations. When the exhaust valve wears or fails, engine performance and compression integrity are compromised — replacing it with the correct OEM part restores proper engine function and keeps your trowel running at full output.
Key Features
- OEM Valve Integrity — Manufactured to Wacker Neuson's original compression and sealing specifications, ensuring proper exhaust gas flow and combustion efficiency specific to this engine application.
- Drop-In Engine Fitment — Engineered to seat and seal correctly within the cylinder head without rework, matching the original valve geometry and stem dimensions of the CRT engine assembly.
- Broad CRT Series Coverage — Fits CRT48-25K-L, CRT48-25K-H, CRT36-23K-H, and CRT36-25K-H ride-on concrete trowels, spanning both 1220mm/48-inch and 915mm/36-inch platform sizes.
- Sustained Engine Output — A correctly functioning exhaust valve maintains cylinder compression and consistent power delivery, which is critical for keeping trowel blade speed and finishing performance on spec.
- Combustion System Safety — A worn or damaged exhaust valve can cause exhaust blowback, misfires, and uncontrolled heat buildup; replacing it with a correctly rated OEM valve eliminates these risks.
The exhaust valve is a precision engine component that controls the release of combustion gases from the cylinder after each power stroke. It opens and closes thousands of times per minute, sealing the cylinder during compression and opening to vent exhaust — a cycle that directly determines how much power the engine produces. When an exhaust valve wears, burns, or loses its sealing edge, compression drops, fuel efficiency suffers, and the engine may misfire or overheat, cutting into troweling productivity and risking further engine damage if left unaddressed.
Part Details
| Part Number | 5000154865 |
|---|---|
| Old Part Number | 0154865 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve .25 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Low Speed Ride-On Trowel | CRT48-25K-L | 5000009084 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-25K-H | 5000009085 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-23K-H | 5000009083 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-25K-H | 5000620027 |
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.