The Wacker Neuson Spark Plug Cap is a genuine OEM component designed for the CT36-6 walk-behind concrete power trowel. Sourced directly from Wacker Neuson, this cap meets the exact specifications of the original part, ensuring a correct connection between the ignition wire and spark plug. It is confirmed to fit CT36-6 trowel configurations, making it a straightforward, like-for-like replacement when the original cap cracks, loses retention, or causes intermittent spark.
Key Features
- Genuine OEM Ignition Integrity — Manufactured to Wacker Neuson's original electrical specifications, delivering consistent spark transfer and correct terminal resistance for the CT36-6 ignition system.
- Direct Drop-In Replacement — Designed to connect directly to the existing plug wire and spark plug boot position, requiring no adaptation to the ignition lead or plug.
- Confirmed CT36-6 Fitment — Verified for CT36-6 walk-behind concrete power trowel models, covering multiple serial configurations within that series.
- Consistent Engine Starting — A secure, properly sealed cap maintains a strong spark signal, supporting reliable engine starts and smooth trowel operation during finishing passes.
- Ignition Safety — A correctly seated spark plug cap prevents arcing, misfires, and unintended ignition events — important for safe operation of any gasoline-powered trowel on a concrete finishing site.
The spark plug cap connects the high-voltage ignition wire to the top of the spark plug, sealing the terminal and transferring the electrical pulse that ignites the air-fuel mixture in the engine cylinder. A worn or cracked cap can cause voltage to arc externally, resulting in weak or missed sparks, hard starting, rough running, or a complete no-start condition. Replacing a damaged cap with the correct OEM part restores the integrity of the ignition circuit and gets the trowel back to full working order.
Part Details
| Part Number | 5100051733 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
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.