William P Washington , DC June 29, 2015 Appliance: Whirlpool Electric Range RF302BXXW0 Whirlpool Range Rf302bxxw0: Missing oven rack. How to replace Rack. Ordered a replacement part from AppliancePartsPros. Here is two days. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes