APDTY 028672 Rear Transfer Case Housing Kit w/Rear Output/Tail Shaft Seal Fits Select Cadillac, Chevrolet, And GMC Trucks (Improved Design Eliminates Pump Rub) (Replaces 12473226 12474949) Improved Design Eliminates Oil "Pump Rub" 100% Lightweight & Super Strong Design Includes Rear Output Shaft Seal (A $35.00 Value)