Reliable ignition for various engines

The NGK B4LM spark plug guarantees a powerful and consistent spark, essential for optimal combustion in your engine. Whether it's lawn mowers, garden machines, or other small combustion engines, this spark plug ensures a smooth start and efficient operation.

Technical specifications

• Thread size: M14 x 1.25 mm
• Thread length: 9.5 mm
• Wrench size: 20.8 mm
• Electrode gap: 0.7 mm
• Central electrode material: Nickel
• Number of ground electrodes: 1
• Resistor: No (non-suppressed)

Compatibility and replacement options

The NGK B4LM spark plug is compatible with various engines and can serve as a replacement for, among others:

• Champion: J17LM
• Bosch: W9EC0
• Denso: W14LM-US
• Oregon: 77-313-1

This wide compatibility makes the B4LM a versatile choice for different applications.

Application areas

This spark plug is suitable for a wide range of machines, including:

• Lawn mowers
• Ride-on mowers
• Garden tillers
• Brush cutters
• Small generators

Thanks to its reliable performance, the NGK B4LM is a favorite among both private and professional users in the garden and park sector.

Advantages of the NGK B4LM spark plug

• Consistent spark: Ensures reliable ignition and optimal engine performance.
• Durable material: The nickel central electrode offers a long lifespan.
• Easy installation: Thanks to the standard thread size and wrench size, the spark plug is easy to install.

Maintenance and replacement

Regular maintenance and timely replacement of spark plugs are crucial for maintaining engine performance. Periodically check the spark plug for wear and replace it if necessary to ensure optimal operation of your machine.

Choose quality with NGK

NGK is known worldwide for its high-quality spark plugs that contribute to the reliability and efficiency of engines. With the B4LM spark plug, you choose a product that meets the highest quality standards and keeps your engine in top condition.