Pulley DE9640 ERP DE9640

Dryer Idler Pulley – ERP

ERP / Supco DE9640 dryer idler pulley maintains correct drive-belt tension on compatible large-capacity Whirlpool-built dryers with the lint screen located at the front. Product specifications Brand: ERP / Supco Part number: DE9640 Pulley dimensions: approximately 1.875-inch diameter x 0.75 inch Shaft size: approximately 0.50 inch Bearing: self-lubricating Application: domestic dryer belt-tension system Replaces: W10468057, 697692, 3388672, 279640 Symptoms of failure Dryer drum will not turn, belt slips or comes off, squealing or scraping noise, pulley does not rotate freely, excessive pulley wobble, visible wear, or insufficient belt tension. Installation instructions Disconnect dryer power and shut off gas where applicable. Open the cabinet according to the model service procedure, photograph belt routing, release belt tension, inspect the belt and motor pulley, remove the retaining hardware, install the idler pulley in the same orientation, route the belt correctly around the drum, motor pulley, and idler, rotate the drum by hand to verify alignment, then reassemble and test. Compatibility and safety Verify model, original part number, pulley diameter, shaft size, bracket design, belt routing, and front-lint-screen configuration. Replace a damaged belt or bracket at the same time when necessary.

Compatible Part Numbers

• DE9640
• W10468057
• 697692
• 3388672
• 279640

Key Features

• Product type: Dryer Idler Pulley
• SKU / MPN: DE9640

Fixes These Symptoms

• Drum will not turn
• belt slips or comes off
• squealing or scraping
• pulley binds
• wobbles
• or shows wear
• insufficient belt tension.

Compatible Brands

• ERP
• GENERIC REPLACEMENT PART

Always verify your complete appliance model number before ordering.

Installation Guidance

Disconnect power and gas where applicable. Photograph belt routing, release tension, inspect belt and motor pulley, replace the idler in the original orientation, route the belt correctly around drum, motor, and idler, rotate the drum by hand to confirm alignment, reassemble, and test.