The Wacker Neuson Spark Plug is a genuine OEM spark plug designed for the CRT48-57K series power trowels, including the standard, Power Steer, and EU-spec variants. As a factory-sourced component, it meets the exact ignition specifications required by these machines, ensuring correct fitment and consistent engine performance. Confirmed compatible models include the CRT48-57K Trowel, CRT48-57K-MS, and CRT48-57K-PS, so you can order with confidence knowing this is the right part for your machine.
Key Features
- Correct Ignition Specification — Manufactured to the exact heat range and electrode gap required by the CRT48-57K engine, so the ignition system fires cleanly at the right timing.
- Genuine OEM Part — Sourced directly from Wacker Neuson, this is the same spark plug installed at the factory — not an approximation of it.
- Direct Drop-In Replacement — Threads directly into the engine cylinder head with no adapter or modification needed, matching the original plug's reach and seat type.
- Broad CRT48-57K Series Coverage — Fits the CRT48-57K Trowel, CRT48-57K-MS, and CRT48-57K-PS Power Steer models, covering the full range of this trowel family including EU-spec machines.
- Consistent Engine Starting and Power — A correctly specified spark plug maintains strong ignition under load, preventing hard starting, misfires, and rough running that cut into finishing productivity.
- Fuel System Safety Compliance — Using the correct OEM-specified plug maintains the proper ignition timing and combustion characteristics, reducing the risk of backfire or unburned fuel buildup in the exhaust.
A spark plug is the final link in the ignition chain — it converts the high-voltage pulse from the ignition system into the spark that ignites the air-fuel mixture inside the engine cylinder. In a power trowel like the CRT48-57K, a plug that is worn, fouled, or incorrectly specified causes hard starting, rough idle, loss of power under load, and increased fuel consumption. Replacing a failing plug with the correct OEM part restores clean, consistent combustion and keeps the engine running at the output level these machines are built to deliver.
Part Details
| Part Number | 5100018506 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CRT48-57K Trowel, Power Steer | CRT48-57k-PS | 5200018779 |
| CRT48-57K Trowel | CRT48-57K-MS | 5100018892 |
| CRT48-57K-PS | CRT48-57k-PS EU | 5200018820 |
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.