The Cooktop is an OEM part for Whirlpool ranges. It is the glass surface that is used for warming and cooking food. This cooktop features multiple warming zones with varying heat levels to accommodate different types of cooking needs. It has a smooth glass design that is easy to clean. Causes can be general wear and tear from frequent use. Accidental impacts or stresses from heavy cookware can also damage the cooktop. Symptoms of a bad cooktop include: Zones not heating up properly or uneven heating Cracks or breaks in the glass surface Dirty burners that leave residue Warping or discoloration of the glass over time This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.W10296247 (AP4514928) replaces 1617284, AH2580602, EA2580602, PS2580602.