Whirlpool Genuine OEM 12002497 Refrigerator Drawer Slide Gear Kit. The drawer slide gear kit attaches to the drawer rail and allows the crisper drawer to slide in and out smoothly.
 
This part works with the following brands: Whirlpool, Roper, Admiral, Maytag, Hardwick, Jenn-Air, Estate, Magic Chef, Crosley, Inglis, Norge, Modern Maid, Amana, Kenmore, KitchenAid, Caloric & Ikea.
Possible Repair Solution For:

Drawer will not pull out, drawer will not close.
Please Note: This is intended as a guideline only, as other items can cause the same symptoms.