Efficient Ignition: String trimmer ignition coil module provides a strong and stable spark, and works with the engine's ignition timing system to ensure that the spark plug is activated at the right moment, ensuring quick start and stable operation of the mower. Voltage Boost: Ignition coil module converts the low-voltage current from the mower's power supply into a high-voltage current, ensuring the spark plug generates sufficient sparks to ignite the fuel mixture for efficient combustion and improved mower performance. Reliable and Durable: Ignition wires are made of high-quality metal materials with an advanced manufacturing process, offering high strength, stable structure, wear resistance, corrosion resistance, and high temperature resistance, suitable for various operating conditions. Compatible Models: String trimmer ignition coil module fits Husqvarna 129C, 129L, 129LK, 129RJ, and Jonsered BC2228, GT2228, GTS2228 models; replaces 597383401, 579525402. Please confirm your trimmer model before purchasing. Easy to Install: Lawn mower ignition coil module is designed for direct replacement with plug-and-play functionality, allowing for straightforward installation. Ensure the mower is completely turned off before installation. Color: Black Material: Plastic Package Contents: 1 x Lawn Mower Ignition Wires Note: Only the items listed are included. Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.