Spark Plug DENSO K20PR-U11 (3121) Nickel

The DENSO K20PR-U11 spark plug (part number 3121) from the Nickel range is a reliable solution for gasoline engines, combining Japanese quality with affordability. A key feature of this model is the patented U-Groove technology on the ground electrode, which increases the space for flame front development and ensures more complete combustion of the fuel mixture. The plug features a standard 14mm thread diameter, 19mm reach, and a 16mm hex size, making it compatible with a wide range of vehicles including Mercedes-Benz (W124, W210, W169), Honda Civic, Suzuki Grand Vitara, and Chevrolet Cruze. The nickel center electrode and radio interference suppression resistor guarantee stable ignition performance across a power range of 44 to 381 hp. The product meets strict OEM standards, as evidenced by cross-references A0041593603 and 98079-5614E. Installing these spark plugs helps reduce fuel consumption and ensures reliable engine starting in various climatic conditions.