ALDWIN PART DESCRIPTION Product Specifications Description Fuel/Water Separator Spin-on with Drain Contains Front End Check Valve Fits Caterpillar Engines; Ford Trucks Replaces Ford YC35-9176-AA, YC3Z-9176-AA, YC3Z-9365-AA; Motorcraft FD4597, FG998 UPC 791440065000 Thread 1-14 OD 3 11/16 (93.7) Length 6 7/32 (158.0) I Gskt [1] Included.