Electric Starter / Briggs & Stratton 396306Pack Size:1Briggs & Stratton 396306J. Thomas 396306, Laser 97609, NHC 269-0924, Oregon 33-719, Prime Line 7-06867, Rotary 9974Briggs & Stratton 326437, 243437 and 243436Length: 7 1/4 " OVERALL LENGTH, Teeth: 16 teeth on gear, 3 25/32" center to center mount, 4 3/8" housing length between caps, Striking or disassembling starter will void warranty