Part WP6-3700340, Idler Pulley, is a genuine OEM part manufactured by Whirlpool. The manufacturer describes it as "BEARING- I". Idler pulley wheel and bearing. If the idler pulley wheel and/or bearing is defective, it may cause the dryer to be excessively noisy. It is used in Crosley Dryers. Find appliance parts, lawn & garden equipment parts, HVAC parts and more from the top brands in the industry.