6-3700340 or AP4373393 Dryer Belt Tension Idler Pulley Wheel for Whirlpool, Kenmore Replaces Part Number 6-3700340, AP4373393, 63700340, 33001783, 1472812, AH2347262, EA2347262, PS2347262. Includes Bearing Approx. 2.25" diameter.