Condition: New Brand: AC Delco Notes: Drive shaft slide fork is new; NON-VENTED NICKEL GASKET; 1415 32X200 Features: Some GM parts may have previously been called ACDelco GM Original Equipment (OE) GM parts are designed, engineered, and tested to exacting standards and are supported by General Motors GM engineers design and test OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac GM regularly updates production and service part designs to integrate new materials and technologies 12-month warranty Installation Notes: Vehicle Sub-Model Body Transmission Wheelbase 2004-2006 Chevrolet Silverado 2500 HD 4WD Cab & Chassis 2-Door NV4500 Manual 5-Speed 133.0 2004-2006 Chevrolet Silverado 2500 HD 4WD Regular Cab Pickup 2-Door NV4500 Manual 5-Speed 133.0 2001-2006 Chevrolet Silverado 2500 HD 4WD Cab & Chassis 2dr 4L80-E Automatic 4 Spd 133.0 2001-2006 Chevrolet Silverado 2500 HD 4WD Standard Cab Pickup 2dr 4L80-E Automatic 4 Spd 133.0 2001-2003 Chevrolet Silverado 2500 HD 4WD Standard Cab Pickup 2dr NV4500/MW3 Manual 5 Spd 133.0 2001-2003 Chevrolet Silverado 2500 HD 4WD Cab & Chassis 2dr NV4500/MW3 Manual 5 Spd 133.0