Glow Plug Glow plug heating the combustion chamber to improve cold starting in diesel engines Swag "33 10 3333" - Not availableCITROËN - Jumper, Xsara, ZX; FIAT - Ducato; MERCEDES-BENZ - 124; PEUGEOT - 306; ALFA ROMEO - 155; LANCIA - Thema; ...