Grill Valueparts REV7507 Stainless Steel 2 Burner Tube Set Replacement for Weber Spirit 500, Spirit 500LX, and Genesis Silver A gas grills Original Part Numbers: 7507. Made of sturdy stainless steel. Replacement burner tubes for Weber Spirit 500, Spirit 500LX, and Genesis Silver A gas grills Includes 2 stainless-steel burner tubes, 1 crossover tube. Easy to assemble.