Crown Engineering Koupling King II KK100 5-Inch Universal Oil Burner Coupling with 1/2", 7/16" & 5/16" End Caps

Koupling King II 5 in. Plastic Universal Oil Burner Coupling The Koupling King II is a universal coupling designed for oil burners, providing reliable connectivity between motor and fuel unit shafts. It features a 1/2-inch motor shaft end on one side and a 5/16-inch fuel unit shaft cap on the other. A 7/16-inch pump end cap is also included for added compatibility. Specifications: Length: 5 inches Outer Diameter: 1 inch Included Components: (1) 1/2-inch standard motor end cap (1) 7/16-inch pump end cap (1) 5/16-inch fuel unit shaft cap (assembled) Features: Universal Fit: Compatible with a wide range of oil burners. Durable Construction: Made from robust plastic for long-lasting use. Easy Installation: Designed for straightforward and secure assembly.