The Wacker Neuson Spark Plug is a genuine OEM component designed for the CRT36-25 and CRT36-26A-WK ride-on concrete trowels. Sourced directly from Wacker Neuson, this spark plug meets the exact ignition specifications required by the CRT36 series engine. It is a direct-fit replacement that installs without modification, restoring correct ignition performance to your machine. Confirmed fitment covers the 915mm/36in ride-on trowel variants, including wheel kit-equipped configurations.
Key Features
- Correct Ignition Output: — Manufactured to OEM specification, this spark plug delivers the precise electrode gap and heat range required by the CRT36 series engine for consistent combustion.
- Drop-In Engine Fit: — Matches the original plug thread pitch, reach, and terminal type, so installation is straightforward with no thread chasing or adapter needed.
- CRT36 Series Compatibility: — Verified fitment for CRT36-25 and CRT36-26A-WK ride-on concrete trowels, including standard and wheel kit configurations.
- Stable Engine Performance: — A worn or fouled spark plug causes misfires, hard starting, and uneven power delivery — replacing it with the correct OEM part restores smooth, consistent engine output during finishing operations.
- Genuine OEM Part: — Supplied by Wacker Neuson, ensuring the plug meets the original design tolerances for the CRT36 engine rather than a generic cross-reference approximation.
A spark plug ignites the air-fuel mixture inside the engine cylinder, providing the combustion event that drives the engine through each power stroke. In a ride-on concrete trowel like the CRT36-25, a healthy spark plug is essential for reliable engine starting and steady power output — both critical when timing finishing passes on a setting concrete slab. When a spark plug wears, fouls with carbon deposits, or the electrode gap opens up beyond spec, the engine becomes hard to start, runs roughly, or loses power at the worst possible moment on the pour.
Part Details
| Part Number | 5200009943 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
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.
