Cross Reference Numbers R26034, R42446, R54182, R63477 Models 4000, 4010, 4020, 4040, 4050, 4055, 4230, 4240, 4250, 4255, 4320, 4430, 4440, 4450, 4455, 7520 Front, 8430 Front, 8440 Front, 8450 Front, 8