PART # 37001287 OR AP4046792 GENUINE FACTORY OEM ORIGINAL DRYER BELT TENSION PULLEY IDLER FOR WHIRLPOOL MAYTAG AMANA GENUINE FACTORY OEM ORIGINAL FOR PROPER FIT, EASY INSTALLATION AND RELIABILITY Comes completely assembled for easier installation. Includes retaining ring 23748, two washers 52549, pulley Y54414, shaft 56461, idler arm 37001144 and nut 358160.