The griddle knob (PB010103) is a genuine replacement part for your Viking stove, ensuring smooth operation of the appliance's griddle function. If your current knob is cracked, worn, or unresponsive, this replacement will restore functionality. It is crucial to replace faulty knobs to maintain proper control of your cooking temperature. This black griddle knob will seamlessly fit into your existing Viking setup. Please check your stove's model number for compatibility before purchasing.