Home / Lawn & Garden / Parts / Spark Plug J8C Spark Plug J8C$3.29 Price may not be up-to-date. In Stock View Product Part Number: J8C Brand: CHAMPION SPARK PLUG Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Not Returnable Description This spark plug (part number J8C) is for lawn and garden equipment engines. Spark plug J8C produces the spark that ignites the fuel in the engine. Wear work gloves to protect your hands when installing this part.