Your Quote Cart Find more parts with our Part Search or our Drill Down Search. Part Number Part Description Machine Make Machine Model Condition Quantity 6B4713 Pinion Caterpillar New 21895R Clamp DRESSER/I.H. New 41613D Retainer DRESSER/I.H. New 20080D Seal Federal Mogul New 678844R1 Gear DRESSER/I.H. New Set quantity to 0 to remove from cart. Find more parts with our Part Search or our Drill Down Search.