Webasto burner for Air Top 3500 and 5000, 12 and 24volt diesel heaters. A new gasket kit should be fitted for safety and correct operation of the heater. This part will NOT fit the Air Top 3500st, 5000st, 3900evo or 5500evo range of heaters. It will NOT fit first generation 3500/5000 heaters without replacing the burner tube.
Please check if your heater burner is the same as shown. If not You may require a modification kit.