Jose M San Ysidro , CA June 05, 2015 Appliance: KitchenAid Blender KSB5WH3 Kitchenaid Blender Ksb5wh3: Worn rubber parts. How to replace Blender Jar Lid Seal. I purchased them from your site. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes