Cat style 2502475 Hydraulic Cylinder Seal Kit. This is a New Seal Kit that fits the following Models and Cylinder part numbers. Model Num. Application Cylinder Code Rod Size (in) Bore (in) Serial Num. Misc. Kit # 325C BUCKET 2478854 P-UB-10 105 mm 150 mm BKW1-UP; BMM1-UP - CTC-2502475 325C L BUCKET 2478854 P-UB-10 105 mm 150 mm BKW1-UP; BMM1-UP - CTC-2502475 325D BUCKET 2254602 P-UB-10 105 mm 150 mm KDG1-UP; SCR1-UP - CTC-2502475 325D L BUCKET 2254602 P-UB-10 105 mm 150 mm KDG1-UP; SCR1-UP - CTC-2502475 330C BOOM 2502473 P-UB-10 105 mm 150 mm GKX1-UP; JAB1-UP; KDD1-UP; MCA1-UP - CTC-2502475 330C BUCKET 2478854 P-UB-10 105 mm 150 mm GKX1-UP; JAB1-UP; KDD1-UP; MCA1-UP - CTC-2502475 330C L BOOM 2502473 P-UB-10 105 mm 150 mm GKX1-UP; JAB1-UP; KDD1-UP; MCA1-UP - CTC-2502475 330C L BUCKET 2478854 P-UB-10 105 mm 150 mm GKX1-UP; JAB1-UP; KDD1-UP; MCA1-UP - CTC-2502475 330D BOOM 2344608 P-UB-10 105 mm 150 mm EAH1-UP; FFK1-UP; MEY1-UP; NBD1-UP - CTC-2502475 330D BOOM 2898050 P-UB-10 105 mm 150 mm MEY1-UP; NBD1-UP - CTC-2502475 330D BOOM 3119524 P-UB-10 105 mm 150 mm EAH1-UP; FFK1-UP - CTC-2502475 330D BUCKET 2254602 P-UB-10 105 mm 150 mm EAH1-UP; FFK1-UP; MEY1-UP; NBD1-UP - CTC-2502475 330D L BOOM 2344608 P-UB-10 105 mm 150 mm EAH1-UP; FFK1-UP; MEY1-UP; NBD1-UP - CTC-2502475