The Wacker Neuson Spark Plug Cap is a genuine OEM component designed for the RD12-90 Double Drum Roller and CRT36-25 Ride-on Trowel series. As a direct factory replacement, this cap ensures a correct, secure connection between the ignition wire and spark plug, maintaining the ignition integrity your equipment depends on. Sourced directly from Wacker Neuson, part is built to the same specification as the original and drops straight into place with no guesswork on fit or compatibility.
Key Features
- Genuine OEM Ignition Integrity — Manufactured by Wacker Neuson to exact ignition system tolerances, ensuring consistent spark energy transfer without voltage leak or signal loss.
- Direct Plug-and-Play Replacement — Connects to the ignition lead and seats onto the spark plug the same way as the original, with no adaptation or re-routing of wiring required.
- Confirmed Fitment for RD12-90 and CRT36-25 — Verified for the RD12-90 Double Drum Roller (including Foldable ROPS variants) and the CRT36-25 Ride-on Trowel (including Wheel Kit configurations).
- Protects Engine Starting Performance — A worn or cracked spark plug cap causes misfires, hard starts, and rough running; replacing it with a properly rated OEM cap restores clean ignition on every cycle.
- Ignition Safety Compliance — A correctly seated, OEM-spec cap contains the high-voltage pulse within the ignition circuit, reducing the risk of unintended discharge around fuel system components.
The spark plug cap is the terminal connector that seats over the spark plug and links it to the high-voltage ignition lead. It channels the electrical pulse from the ignition coil directly into the plug, triggering the combustion spark that fires the engine. When the cap deteriorates — through cracking, moisture ingress, or a loose fit — voltage can arc externally, resulting in misfires, inconsistent engine performance, or a complete failure to start. Replacing a faulty cap promptly is one of the simplest and most effective ways to restore reliable engine operation.
Part Details
| Part Number | 5000215279 |
|---|---|
| Old Part Number | 0215279 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| 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.
