Maurice B Park Ridge , NJ November 12, 2018 Appliance: KitchenAid 5 Quart Stand Mixer KG25H7XWH4 Kitchenaid Mixer Kg25h7xwh4: Planetary kept falling down. How to replace Planetary Assembly. Installed new planetaria assembly comment I Don't:have a 4or5 after the model number. What number do I use for parts? Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes