NGK SPARK PLUGS - 4492 - Spark Plug - R6918B-8
When OEM components wear out or fail, riders deserve a replacement that matches or exceeds factory quality. The NGK SPARK PLUGS 4492 is designed with exactly that standard in mind — delivering fit, function, and durability experienced riders can count on. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties, with pure alumina silicate ceramic insulator, provides superior strength and better heat transfer, with triple seals prevent leakage. Corrugated ribs prevent flashover. Copper core aids in heat removal. Whether you're performing routine maintenance, addressing a specific failure, or building a machine to a higher performance standard, the 4492 delivers the quality and reliability that NGK SPARK PLUGS riders expect. Sold individually, this spark plug is designed for Off-Road applications and engineered to install properly and perform consistently from the first use. If you've been running a worn-out or underperforming spark plug, the 4492 is the no-compromise replacement that restores confidence and function to your machine.
Features
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Triple seals prevent leakage
- Corrugated ribs prevent flashover
- Copper core aids in heat removal
Specs
- Electrical Resistance: 5k Ohms
- Ground Electrode Configuration: Single
- Spark Gap: 0,6 mm (0,025")
- Type: Resistor
- Electrode Tip Material: Platinum
- Ground Electrode Shape: Standard
- Spark Gap: 0.025"
- Style: Gold Palladium
- Center Electrode Type: Fine Wire
- Terminal Configuration: Solid Terminal
- Hex Size: 20.6 mm
- Product Name: Spark Plug
- Thread Reach: 19.1 mm
- Heat Range: 8
- Center Electrode Projection: Non-Projected
- Model: R6918B-8
- Units: Each
- Riding Style: Off-Road
- Spark Gap: 0.6 mm
Frequently Asked Questions - NGK SPARK PLUGS - 4492 - Spark Plug - R6918B-8
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
