???? Corrugated insulator ribs prevent flashover and misfires. Resistor: Yes. ???? Copper core improves thermal conductivity and spark efficiency. Thread Size: 14mm. Spark Plugs. Reach: 19mm (0.75 in.). Feature Category.
2 Pack NGK Spark Plug - For John Deere Lawn Tractor D125 M78543
2 Pack NGK Spark Plug - For John Deere Lawn Tractor D130 M78543
2 Pack NGK Spark Plug - For John Deere Lawn Tractor E140 M78543
2 Pack NGK Spark Plug - For John Deere Lawn Tractor LA140 M78543
2 Pack NGK Spark Plug - For John Deere Lawn Tractor E130 M78543
1 Pack NGK Spark Plug - For John Deere Lawn Tractor E100 M78543
