The Wacker Neuson Spark Plug Terminal Cap is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including CT36BDT and CT48BDT walk-behind concrete trowels, PT2B and PT3B centrifugal trash pumps, PD3B and PDT2B diaphragm pumps, and B 3000 and B 5000 gasoline power units for internal vibrators. As a factory-sourced part, the meets the original design and material specifications set by Wacker Neuson, ensuring a correct connection at the ignition system. Replacing a worn or damaged terminal cap with a genuine OEM part helps restore reliable spark delivery and keeps your equipment starting and running as intended.
Key Features
- Genuine OEM Ignition Integrity — Factory-sourced terminal cap maintains correct spark plug connection geometry and dielectric properties specific to Wacker Neuson ignition systems.
- Direct Plug-On Replacement — Designed to connect directly onto the spark plug boot and ignition wire without any modification, matching the original terminal cap in fit and form.
- Broad Equipment Compatibility — Fits CT36BDT and CT48BDT walk-behind trowels, PT2B and PT3B trash pumps, PD3B and PDT2B diaphragm pumps, and B 3000 and B 5000 gasoline power units.
- Consistent Spark Delivery — A secure, properly seated terminal cap ensures full voltage transfer to the spark plug, supporting clean ignition and consistent engine performance across duty cycles.
- Ignition System Safety — A cracked or loose terminal cap can allow voltage to arc outside the plug, creating a potential ignition hazard. Replacing it promptly restores proper electrical containment.
The spark plug terminal cap is the connector that joins the ignition wire to the top of the spark plug, channeling high-voltage current from the ignition coil directly into the plug to fire the engine. It plays a critical role in maintaining a sealed, low-resistance electrical path — a loose or deteriorated cap causes misfires, hard starting, or complete failure to start. Over time, heat cycling and vibration can crack the cap or degrade its internal contact, making it one of the more commonly overlooked ignition service items.
Part Details
| Part Number | 5000039319 |
|---|---|
| Old Part Number | 0039319 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug Terminal Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 50mm/2in Centrifugal Trash Pum p | PT2B | 5000006722 |
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| Gasoline Power Unit for Intern al Vibrator | B 3000 | 5000005829 |
| Gasoline Power Unit for Intern al Vibrator | B 5000 | 5000007522, 5000006307 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
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.
