Part # Y312959 Maytag Whirlpool Genuine OEM Dryer Belt for 3-12959 312959 6-3129590 PS2200550 AP4290988 GENUINE FACTORY OEM ORIGINAL FOR PROPER FIT, EASY INSTALLATION AND RELIABILITY. Belt measures 100" long and has 5 grooves. Installation Instructions Included. Replacement for Numbers 312959, 3-12959, PS2200550, AP4290988.