Set of 4 Diesel Glow PlugsVolkswagen Caravelle T4 1.9 (1992-2002). Model: Volkswagen Caravelle T4 1.9 (1992-2002). Glow plugs assist by heating the air-fuel mixture to assist in cold starting. Glow plugs are only fitted to diesel engines (not petrol or other fuel types).
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