Spark Plug DENSO T20TT (4617) Twin-Tip

The DENSO Nickel TT T20TT spark plug (part number 4617) is manufactured using the innovative Twin Tip technology, which features two thin electrodes without the use of expensive precious metals. The 1.5 mm diameter center and ground electrodes achieve spark performance comparable to iridium plugs, improving fuel combustion efficiency. The model has a 14 mm thread diameter, 19 mm thread length, and a 16 mm hex size, while the heat range of 20 indicates excellent heat dissipation under high loads. It is ideally suited for a wide range of European and Asian vehicles, including Toyota, Lexus, and Volvo models. The advantages of the Nickel TT series include reduced ignition misfires and stable engine operation on lean mixtures. This spark plug is the optimal choice for price-to-performance ratio, providing reliability and economy for daily use in various climatic conditions.