Kohler 359448 Pump Drive Sleeve.
Seawater pump drive sleeve fits 5E, 4EF, 7.3E, 6EF, 5ECD, 4EFCD, 7.3ECD and 6EFCD model generators. Connects the seawater pump shaft to generator.
Features:
Splines: 8
Outside Diameter: 1.14"
Overall Length: .865"