The Wacker Neuson Spark Plug RCJ6Y is a genuine OEM ignition component designed for BTS 935 and BTS 1035 gasoline cut-off saws. Sourced directly from Wacker Neuson, this spark plug is the exact part specified for these machines, ensuring correct heat range, thread pitch, and electrode gap right out of the box. It is a direct, no-hassle replacement for the original plug on both BTS cut-off saw models listed above. Keeping a fresh plug installed is one of the simplest ways to maintain clean ignition, reliable starts, and consistent engine power on the job.
Key Features
- OEM-Specified Heat Range — Engineered to the exact thermal rating required by the BTS gasoline engine, preventing fouling under hard cutting cycles and overheating during sustained use.
- Drop-In Thread and Reach Compatibility — Matches the OEM thread size and seat profile of the BTS 935 and BTS 1035 cylinder heads, so installation is straightforward with a standard plug wrench.
- Fits BTS 935 and BTS 1035 Cut-Off Saws — Verified fitment for both models covering 1-inch arbor configurations; confirm your model number before ordering to ensure compatibility.
- Consistent Cold-Start Performance — A correctly gapped, properly rated plug delivers a strong spark across temperature extremes, supporting reliable pull-start ignition even on cold mornings or after extended storage.
- Fuel Efficiency Protection — A worn or fouled plug causes incomplete combustion, increasing fuel consumption and carbon buildup; replacing it on schedule keeps the engine running at its intended output.
A spark plug ignites the air-fuel mixture inside the engine cylinder, triggering the combustion stroke that drives the cutting wheel. In a high-revving cut-off saw engine, the plug fires thousands of times per minute, so electrode wear and carbon fouling accumulate faster than in lower-demand applications. When the plug degrades, the engine may be hard to start, run rough at idle, lose cutting power under load, or consume more fuel than normal. Replacing the 5000108117 Spark Plug RCJ6Y at the manufacturer's recommended service interval restores clean ignition and helps the BTS engine deliver its full rated performance.
Part Details
| Part Number | 5000108117 |
|---|---|
| Old Part Number | 0108117 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spark Plug RCJ6Y |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cut-off Saw with 1in Arbor | BTS 935 | 5000008341 |
| Cut-off Saw with 1in Arbor | BTS 1035 | 5000007975 |
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.