Fits Front Right; 5,500 lb Front Axle w/Hub Ext; Regular Cab Chassis; HD 2WD or Front Right; Cab Chassis; 5,500 lb Front Axle w/Hub Ext; Crew Cab; 173.4" Wheelbase; HD 2WD or Front Left; 5,500 lb Front Axle w/Hub Ext, 3.42 Rear Axle Ratio, Conventional Differential Front Axle; Regular Cab Chassis; HD 4WD or Front Left; 5,500 lb Front Axle w/Hub Ext, 3.73 Rear Axle Ratio, Conventional Differential Front Axle; Regular Cab Chassis; HD 4WD or Front Left; 5,500 lb Front Axle w/Hub Ext, 4.10 Rear Axle Ratio, Conventional Differential Front Axle; Regular Cab Chassis; HD 4WD or Front Left; 5,500 lb Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front Axle; Regular Cab Chassis; HD 4WD or Front Left; 5,500 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front Axle; Regular Cab Chassis; HD 4WD or Front Left; Cab Chassis; 5,500 lb Front Axle w/Hub Ext, 3.42 Rear Axle Ratio, Conventional Differential Front Axle; Crew Cab; 173.4" Wheelbase; HD 4WD or Front Left; Cab Chassis; 5,500 lb Front Axle w/Hub Ext, 3.73 Rear Axle Ratio, Conventional Differential Front Axle; Crew Cab; 173.4" Wheelbase; HD 4WD or Front Left; Cab Chassis; 5,500 lb Front Axle w/Hub Ext, 4.10 Rear Axle Ratio, Conventional Differential Front Axle; Crew Cab; 173.4" Wheelbase; HD 4WD or Front Left; Cab Chassis; 5,500 lb Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front Axle; Crew Cab; 173.4" Wheelbase; HD 4WD or Front Left; Cab Chassis; 5,500 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front Axle; Crew Cab; 173.4" Wheelbase; HD 4WD or Front Left; Cab Chassis; 5,500 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front Axle; Crew Cab; 173.4" Wheelbase; HD 4WD