This 4pc NGK 7243 Iridium IX Spark Plugs replaces Bosch, Champion, Autolite, NGK, ACDelco, Motorcraft TR5-1IX, 6239, 9660, XP5145DP2, 7020, 1835448T, HR8JII33V, RS12PLP, AWSF44P, XP5143, XP5144, HR9LPX, 9200, 7407, APP5145, AGSF34PP, AGSF34EE, 7243, 3407, RE10LC, 9402, 6213, XP5144DP2, HR8LP0, AWSF44PP, HR8LPX, XP5145, AWSF44EE, 11, 7407-2, AWSF34PP, RS14PLP, 241-928, 3407-2 and is perfect for replacement or a performance upgrade.
