The Surface Burner Cap is an essential OEM component for Frigidaire gas cooktop ranges. It regulates flame spread and directs heat precisely to pots and pans placed above each burner coil. Causes of burner cap failure include warping or discoloration from continuous exposure to open flames and high cooking temperatures over time. Accidental impacts could also crack or fray burner cap edges. Symptoms of a faulty burner cap include: Irregular or uneven flame patterns beneath cooking vessels    Visible yellow or blue flames indicating poor combustion   Signs of cracked porcelain or scorched burner bases Reduced burner efficiency and poor heat distribution This authentic OEM replacement is compatible with Electrolux, Gibson, Kelvinator and select Kenmore models.5304508510 (AP6041735) replaces 316261904, 316261900, 316438104, 316438100, 4456702, PS11775730.