2457339 Rear Crankshaft Seal Fits Caterpillar Multiple Makes & Models 1192921One (1) New Aftermarket Replacement Rear Crankshaft Seal Fits the following Fits Caterpillar Models: Wheel Type Skidder: 525B, 525C, 535B, 535C, 545C Wheel Type Loader: 924F, 924G, 928G, 938F, 938G, 938G II, 950F, 950F II, 950G, 950G II, 950H, 960F, 962G, 962G II, 962H, 966D, 966E, 966F, 966F II Wheel Tractor Scraper: 613C, 613C II, 627G, 637D, 637E, 637G Motor Grader: 120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12K, 12M, 135H, 135H NA, 140, 140G,