Part WP691366, Idler Pulley, is a genuine OEM part manufactured by Whirlpool. The manufacturer describes it as "Idler & Pulley Assembly". Dryer belt tension idler pulley assembly.When the idler pulley goes bad it will usually make a high pitch squeeling or rattling noise. It is used in Kenmore Dryers. Consider replacing the Drive Belt while you have the dryer apart. Find appliance parts, lawn & garden equipment parts, HVAC parts and more from the top brands in the industry.