The Wacker Neuson Spark Plug Cap is a genuine OEM component designed for the BTS 630, BTS 635, and BTS 635S series cut-off saws and floor saws. As a direct factory replacement, this cap ensures a secure, correctly seated connection between the ignition wire and spark plug — exactly as the machine was built to spec. It fits a broad range of BTS-series models, making it a go-to service part for contractors and equipment technicians running Wacker Neuson cut-off saws in the field.
Key Features
- Correct Ignition Contact: — Delivers the precise electrical connection and boot-to-plug seal needed to maintain consistent spark transfer in high-vibration cut-off saw applications.
- Genuine OEM Part: — Sourced directly from Wacker Neuson, this is the same cap installed on the production line — not an approximation.
- Direct Swap Installation: — Slides onto the spark plug terminal and ignition lead without any modification, following the same routing and attachment as the original.
- Wide BTS Series Coverage: — Confirmed fitment across BTS 630, BTS 630S, BTS 635, BTS 635S cut-off saws and floor saws, covering multiple serial-specific build variants.
- Protects Engine Starting Performance: — A worn or cracked spark plug cap causes misfires, hard starting, or complete no-start conditions; replacing it restores clean, reliable ignition every pull.
- Ignition Safety Integrity: — A properly seated cap contains the high-voltage ignition pulse and reduces the risk of unintended arcing near fuel and combustible debris on the cut line.
The spark plug cap is the terminal connector that joins the ignition coil's high-tension lead to the tip of the spark plug, completing the circuit that fires the engine. It forms both an electrical connection and a protective seal — keeping moisture, dust, and vibration from disrupting spark delivery during demanding cut-off saw operation. When this cap cracks, loosens, or loses its internal contact, the result is a weak or absent spark, which typically shows up as hard starting, misfiring under load, or an engine that cuts out mid-cut.
Part Details
| Part Number | 5000213753 |
|---|---|
| Old Part Number | 0213753 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cut-off saw BTS 635 | BTS 635 | 5000610190, 5000610191 |
| Cut-off saw BTS630 | BTS 630 | 5000610186, 5000610187 |
| Cut-off Saw BTS 635S | BTS 635S | 5000610192, 5000610193, 5000610407 |
| Floor Saw BTS 630S | BTS 630S | 5000610406 |
| BTS635s | BTS635s | 5100005408 |
| BTS635S Cut-off Saw | BTS 635s | 5100005409, 5100005411 |
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.
