Home / Appliance / Parts / Cooktop Burner Knob 318271800 Cooktop Burner Knob 318271800$89.78 Price may not be up-to-date. In Stock View Product Part Number: 318271800 Brand: FRIGIDAIRE CO Seller: Sears PartsDirect Categories: Appliance, Parts 60-day return policy Description This burner knob (part number 318271800) is for cooktops. Burner knob 318271800 lets you control the heat of the surface burner on the cooktop. Remove the knob by pulling it straight off its post.