Home / Lawn & Garden / Parts / Spark Plug H10C Spark Plug H10CPrice Not Available Price may not be up-to-date. Out of Stock View Product Part Number: H10C Brand: CHAMPION SPARK PLUG Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$12.64GENUINE OEM CHAMPION PART # H10C; SPARK PLUG 4 PACK $12.74Champion Spark Plug H10C (4) Description This spark plug (part number H10C) is for lawn and garden equipment engines. Spark plug H10C produces the spark that ignites the fuel in the engine. Wear work gloves to protect your hands when installing this part.