Spark Plug Champion RN13LYC Denso: L14-U

Denso: L14-U

so it's worth verifying the exact model)

Model Number: 25221

Weight: Approximately 65 lbs

Firomatic Hand Pump Assembly with 2 EA B100HCV

Spark Plug Champion RN13LYC Denso: L14-UThe Champion RN13LYC Spark Plug is a Copper Plus spark plug designed for dependable performance in automotive and small engine applications. Here's a detailed breakdown of its specifications: Technical Specifications: Part Number: RN13LYC (Champion 101) Thread Diameter: 14mm Thread Reach: 19mm (0. 75 inch) Hex Size: 13 16 inch (0. 813 inch) Seat Type: Gasket Tip Configuration: J type, extra projected Electrode Core Material: Nickel Copper Alloy Ground