Champion 91 H14Y Copper Plus Agricultural Spark Plug

The Champion 91 H14Y is a traditional copper core spark plug designed specifically for agricultural, industrial, and vintage engine applications. This reliable spark plug is engineered to deliver dependable performance in demanding, high-temperature service environments commonly found in tractors, small engines, and classic vehicles.

Key Features:

• Copper core center electrode provides increased conductivity and superior heat control for extended wear
• 14mm thread diameter with 7/16" reach and 13/16" hex for secure fitment
• Hot Lock and FISS (Full Interference Suppression Seal) designs ensure durability in high-compression, aggressive environments
• Patented Ultraseal coated shell prevents leakage and resists corrosion
• Backed by Federal-Mogul global engineering expertise
• Recommended gap: 0.035"

Cross-Reference Compatibility: Replaces Autolite AL437, AL82, AL782, Motorcraft 79024800V, and other equivalent spark plugs. Commonly used in Ford tractors (2N, 8N, 9N, 600, 700, 800, 900 series), Studebaker vehicles, and various agricultural equipment.

Champion is specified as original equipment by more engine manufacturers than any other spark plug brand worldwide, ensuring proven reliability and performance you can trust.