D-21 Spark Plug, 0.023-0.028 In Gap, 0.709 In Thread, 7/8 In Hex, Pack Of 6

Overview:
The Champion D-21 Spark Plug is engineered specifically for lawn and garden applications, ensuring optimal performance and reliability. With a fill gap of 0.023 to 0.028 inches and a thread size of 0.709 inches, this spark plug is designed to enhance engine efficiency and reduce misfires. The robust construction features a patented high voltage semi-conductor resistor that provides maximum electromagnetic interference suppression, making it an essential component for maintaining your outdoor equipment.

Key Features:
- Patented high voltage semi-conductor resistor for superior EMI suppression
- Copper core center electrode minimizes engine misfire caused by fouling
- Triple seal assembly with upper and lower metal gaskets and a sillment seal to prevent spark plug failure
- Triple-coated shell with Tintac and Ultraseal over zinc plating for enhanced corrosion resistance
- Designed for easy installation with a 7/8 inch hex size

Use Cases:
This spark plug is ideal for a variety of lawn and garden equipment, including lawn mowers, trimmers, and other small engines. Its durable design ensures that it can withstand the rigors of outdoor use, providing reliable ignition and performance. Whether you are a professional landscaper or a homeowner maintaining your yard, the Champion D-21 Spark Plug is a dependable choice for keeping your equipment running smoothly.