The Wacker Neuson Spark Plug Terminal Cap is a genuine OEM component designed for a wide range of Wacker Neuson vibratory plate compactors, trash pumps, and portable generators — including VP1135R, VP1340R, VP1550R, VP2050R, WP1550R, VPR1330, VP50H, VP60H, PT2R, and GH3500E series equipment. As a direct OEM replacement, this terminal cap is sourced from Wacker Neuson and built to the same specification as the part that left the factory floor. It installs directly onto the spark plug boot, ensuring a secure, low-resistance electrical connection with no adaptation needed. If your machine is misfiring, running rough, or failing to start, a deteriorated spark plug terminal cap is a common culprit — and replacing it with part number restores reliable ignition contact.
Key Features
- Correct Terminal Resistance and Contact Fit — Engineered to maintain proper electrical continuity between the ignition wire and spark plug, preventing voltage drop or misfire common with worn or cracked terminal caps.
- Genuine OEM Part — Sourced directly from Wacker Neuson, this terminal cap meets the original ignition system specification for all listed models.
- Broad Model Coverage — Fits VP, WP, VPR, AP, VP50H/VP60H vibratory plate compactors, PT2R trash pumps, and GH3500E portable generators across multiple production series.
- Direct Boot-to-Plug Connection — Designed to snap onto the spark plug terminal and seat flush within the existing ignition boot assembly — no rework of surrounding components required.
- Ignition System Integrity — A failed or cracked terminal cap can arc, short, or leak voltage, causing hard starts, rough idle, or complete engine failure. Replacing it promptly keeps the ignition circuit performing as intended.
- Fuel System Safety Relevance — A compromised terminal cap that allows uncontrolled sparking near fuel lines or the carburetor presents a genuine fire risk; using the correct OEM cap maintains proper spark containment.
The spark plug terminal cap connects the high-voltage ignition wire to the top of the spark plug, completing the circuit that fires the engine. It acts as both an electrical connector and an insulating cover, keeping the spark contained and directed precisely to the plug electrode. When the cap cracks, corrodes, or loses its grip, voltage can arc unpredictably — resulting in misfires, difficult starting, erratic engine behavior, or a complete no-start condition. On small-engine equipment like vibratory plate compactors and trash pumps, where the engine is subjected to constant vibration and outdoor exposure, terminal caps wear faster than on stationary equipment, making timely replacement an important part of routine ignition maintenance.
Part Details
| Part Number | 5000051769 |
|---|---|
| Old Part Number | 0051769 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug Terminal Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Value Vibratory Plate, 11kN, 3 50mm/13.8in | VP1135R | 5000008709 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550RW | 5000007578 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550R | 5000007581 |
| Value Vibratory Plate, 11 kN, 356mm/14in | VP1135RW | 5000009251, 5000009512 |
| Vibratory Soil Plate, 50 kN | VP50H | 5000009542 |
| Vibratory Soil Plate, 60 kN | VP60H | 5000009543 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340RW | 5000009034 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550RW | 5000009030 |
| Single Direction Plates | AP1550R | 5000009538 |
| VP50Hw-VIBROPLATE | VP50Hw | 5000630096 |
| VP60Hw-VIBROPLATE | VP60Hw | 5000630097 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550R | 5000009029 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340R | 5000009033 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050R | 5000009088 |
| Vibratory Plate 300mm/12in | VPR1330 | 5000006512 |
| Value Vibratory Plate, 10 kN, 356mm/14in | VP1035R | 5000008208 |
| 50mm/2in Centrifugal Trash Pum p | PT2R | 5000007160, 5000006790 |
| High Cycle Portable Generator | GH3500E | 5000005785 |
| Single Direction Asphalt Plate | VP2050RW | 5000009511 |
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.
