- REPLACEMENT PART NUMBERS: This ignition coil is designed to replace parts 79400053, 79400070, 79400053C, and 79400053B, ensuring compatibility with your equipment. - COMPATIBILITY: Specifically engineered for a range of trimmers including Troy Bilt, MTD, Craftsman, Cub Cadet, White Outdoor, Bolens, Murray, and Ryobi. This ignition coil fits models utilizing the aforementioned part numbers. - DURABLE CONSTRUCTION: Crafted from high-quality metal with rubber components, this ignition coil is built to withstand wear and tear. Its robust design ensures long-lasting performance, providing reliable ignition for your equipment. - PRODUCT DIMENSIONS: Measuring 3.94 x 3.15 x 2.36 inches, this compact ignition coil fits seamlessly into your trimmer, making installation straightforward. - USE SCENARIOS: 1. Ideal for restoring functionality to your Troy Bilt trimmer that has lost spark, ensuring you can tackle yard work efficiently. 2. Perfect for replacing a faulty ignition coil in your Craftsman or Cub Cadet trimmer, enhancing performance and reliability. 3. A crucial part for maintaining your Ryobi or Murray trimmer, allowing for consistent operation and longevity in your gardening tasks. Invest in this ignition coil for dependable ignition performance and ensure your outdoor equipment operates at its best.