The Wacker Neuson Engine Thermostat is a genuine OEM component designed for CRT48 ride-on concrete trowels and the CT48-13A-V walk-behind trowel. As a direct factory replacement, this thermostat installs into the engine cooling circuit exactly as the original, maintaining the precise operating temperature range required for consistent trowel performance. Verified fitment covers multiple CRT48-31V, CRT48-34V, and CT48-13A-V configurations, making part number the correct choice for a broad range of Wacker Neuson 48-inch trowel models.
Key Features
- Genuine OEM Temperature Calibration — Factory-set opening temperature matches the original engine spec, ensuring the cooling circuit opens and closes at the correct threshold rather than running too hot or too cold.
- Drop-In Engine Cooling Circuit Fit — Seats directly into the existing thermostat housing with no rework; threads, sealing surfaces, and bypass ports match the original component geometry.
- Broad CRT48 and CT48 Coverage — Confirmed fitment across CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, CRT48-31V-ES-E, CRT48-34V, and CT48-13A-V model variants.
- Protects Engine from Thermal Damage — A correctly functioning thermostat prevents the engine from running in sustained overtemperature conditions that can warp cylinder heads and damage gaskets on ride-on trowel powerplants.
- Sourced from Wacker Neuson — Supplied as a genuine OEM part, so material grade, wax-element formulation, and valve travel are identical to what left the factory — not approximated.
The engine thermostat is a wax-element valve positioned within the engine's cooling circuit. When the engine is cold, the thermostat stays closed, keeping coolant circulating only within the engine block to help it reach operating temperature quickly. Once the coolant reaches the calibrated threshold, the valve opens and routes fluid through the radiator to shed excess heat. A thermostat that sticks closed causes rapid overheating; one that sticks open prevents the engine from warming up fully, leading to increased wear, poor fuel efficiency, and rough running — both conditions will hurt productivity on a concrete finishing pour where timing and machine reliability are critical.
Part Details
| Part Number | 5000158235 |
|---|---|
| Old Part Number | 0158235 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine Thermostat |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
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.