The Wacker Neuson Spark Plug Cap is a genuine OEM component designed for the BFS floor saw series, including the BFS 1345B, BFS 130RM, BFS 130R, BFS18D, BFS 1350L, BFSX 130RM, and BFSX 130R models. As a factory-sourced part, it is manufactured to the exact tolerances and materials specified by Wacker Neuson, ensuring a correct connection between the ignition lead and spark plug every time. Choosing the genuine means you are installing the same component that left the factory floor — no guesswork, no adaptation. Compatibility is confirmed across the full BFS and BFSX petrol floor saw range listed above.
Key Features
- Correct Ignition Lead Fit: — Engineered to the precise terminal size and boot geometry of Wacker Neuson BFS series engines, ensuring a secure, rattle-free connection to the spark plug.
- Genuine OEM Construction: — Manufactured from dielectric-grade materials that meet Wacker Neuson's original insulation and heat-resistance specifications for petrol floor saw engines.
- Broad BFS and BFSX Compatibility: — A single genuine part covering BFS 1345B, BFS 130RM, BFS 130R, BFS18D, BFS 1350L, BFSX 130RM, and BFSX 130R floor saws.
- Protects Ignition System Integrity: — A properly seated spark plug cap delivers a consistent spark at the correct timing, directly supporting clean engine starts and steady cutting power under load.
- Electrical Safety Compliance: — The cap's insulating boot shields the high-voltage ignition lead terminal, reducing the risk of electrical arcing or shock during operation and servicing.
The spark plug cap is the terminal connector that fits over the spark plug and links the high-voltage ignition lead to the plug's electrode. It seals the connection against moisture, vibration, and heat — all conditions common on a floor saw working through concrete or asphalt. When a spark plug cap cracks, loses its grip, or degrades internally, ignition voltage can leak before it reaches the plug, causing hard starts, misfires, or a complete no-start condition. Replacing a worn cap with a genuine Wacker Neuson 5000203789 restores full voltage delivery and keeps the engine firing reliably through demanding cutting cycles.
Part Details
| Part Number | 5000203789 |
|---|---|
| Old Part Number | 0203789 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Basic floor saw, ø 450mm/18in | BFS 1345B | 5000008909, 5000610142 |
| Floor Saw | BFS 130RM | 5000009520 |
| Floor Saw | BFS 130R | 5000009521 |
| Floor Saws | BFS18D | 5000630009 |
| Petrol Floor Saw BFS 1350L | BFS 1350L | 5000008936 |
| Floor Saw | BFSX 130RM | 5000009523 |
| Floor Saw | BFSX 130R | 5000009524 |
| BFS 1345 SAW,BZ | BFS 1345BZ | 5000610243 |
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.
