Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
NGK Spark Plug - 3961
Product info
- Item number
- BR8ESSOLID
- Manufacturer number
- 3961
- Position
The NGK BR8ESSOLID spark plug delivers reliable performance and enhanced durability for demanding applications. Featuring advanced construction and premium materials, this spark plug ensures efficient combustion and optimal engine performance.
Description
The NGK BR8ESSOLID spark plug is engineered for superior performance and longevity. Its trivalent metal plating offers exceptional anti-corrosion and anti-seizing properties, ensuring easy installation and removal. The pure alumina silicate ceramic insulator provides superior strength and improved heat transfer, preventing overheating and maintaining consistent spark. Triple seals effectively prevent leakage, maintaining optimal cylinder pressure. Corrugated ribs are designed to prevent flashover, ensuring reliable ignition even under extreme conditions. A copper core efficiently aids in heat removal, contributing to cooler operating temperatures and extended spark plug life. This resistor type spark plug with a 14 mm thread size and 19.1 mm (3/4") thread reach ensures compatibility with a wide range of engines. The 0.8 mm spark gap ensures optimal combustion efficiency.
Features & highlights
- Trivalent metal plating protects against corrosion and seizing.
- Alumina silicate ceramic insulator enhances strength and heat transfer.
- Triple seals prevent combustion leakage for optimal performance.
- Corrugated ribs minimize flashover, ensuring consistent ignition.
- Copper core improves heat dissipation for cooler operation.
- Resistor type spark plug minimizes radio frequency interference.
Technical specifications
- Brand: NGK Spark Plugs
- Vendor Part Number: 3961
- Center Electrode Type: Standard
- Center Electrode Projection: Non-Projected
- Electrode Tip Material: Nickel Alloy
- Electrical Resistance: 5k Ohms
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Standard
- Heat Range: 8
- Hex Size: 20.6 mm (13/16")
- Spark Gap: 0.8 mm
- Terminal Configuration: Solid Terminal
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 14 mm
- Type: Resistor
Important to know
Ensure the NGK BR8ESSOLID spark plug is compatible with your engine's specifications before installation. Refer to your vehicle's service manual for proper spark plug gap and torque settings.
- Brand
- NGK SPARK PLUGS
- Vendor part number
- 3961
- Product name
- Spark Plug
- Thread size
- 14 mm
- Thread reach
- 19,1 mm (3/4")
- Spark gap
- 0.8 mm
- Terminal configuration
- Solid Terminal
- Heat range
- 8
- Hex size
- 20,6 mm (13/16")
- Ground electrode shape
- Standard
- Ground electrode configuration
- Single
- Electrode tip material
- Nickel Alloy
- Center electrode type
- Standard
- Center electrode projection
- Non-Projected
- Electrical resistance
- 5k Ohms
- Type
- Resistor
- Units
- Each
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
4.8 out of 5 on TrustpilotRead our reviews →
Certified e-mærket web shop
