Igntion Coil Replaces 21171 0743, 21171 0711, 21171 0738, 21171 7047, 21171 7042, 21171 7041, Set of 2FeaturesReplaces 211710743, 211710711, 211710738, 211717047, 211717042, 211717041Fits models FR Series Engines: 541V, 600V, 651V, 691V 730VFits models FS Series Engines: 481V, 541V, 600V, 691V, 730VFits models FX Series Engines: 481 THROUGH, 921V