SURE SEAL BUSHING, GM 200, 200C, 350, 200-R4, 3254L, 700-R4 & 4L60EFits: GM 200, 200C, 350, 200-R4, 3254L, 700-R4 & 4L60EPREVENTS THE FRONT SEAL FROM PUSHING OUT OF THE PUMP BY RETAINING THE FLUID IN THE PUMP.