NGK SPARK PLUGS - 3949 - Spark Plug - R6254E-105
The NGK SPARK PLUGS 3949 is a nickel-alloy-electrode non-resistor spark plug (model R6254E-105, heat range 10.5) featuring trivalent metal plating for superior anti-corrosion properties, a pure alumina silicate ceramic insulator for strength and heat transfer, and a copper core for efficient heat removal.
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
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Angled
- Electrical Resistance: -
- Hex Size: 20.6 mm
- Thread Reach: 19.1 mm
- Spark Gap: 0.025"
- Model: R6254E-105
- Type: Non-Resistor
- Heat Range: 10.5
- Riding Style: Street
- Units: Each
- Product Name: Spark Plug
- Spark Gap: 0,6 mm (0,025")
- Style: Standard
- Center Electrode Projection: Non-Projected
- Center Electrode Type: Standard
- Electrode Tip Material: Nickel Alloy
- Spark Gap: 0.6 mm
- Terminal Configuration: Solid Terminal
Frequently Asked Questions - NGK SPARK PLUGS - 3949 - Spark Plug - R6254E-105
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.
