MAGNETIC CLUTCH FOR LAWN TRACTOR TAG LIAER LAWN MOWER SNAPPER ELT 18538 , LT 18538 , LT 2042 , LT2250 MODEL - TECHNICAL FEATURES SHAFT DIAMETER 25. 4 mm HEIGHT 102 mm PULLEY DIAMETER 133.4 mm TRAPEZOIDAL BELT WIDTH 12.7 or 15.9 mm CODE: 25271577 ORIGINAL CODE 167296SM , 1686883SM SR