This CV Axle Shaft Assembly is designed for a Honda Civic with a L4 1.8L engine from 2006-2015. It is a direct replacement with a manufacturer part number of 44305SNA000 and 44305SNEA01. The output shaft spline count is 26 and the input shaft spline count is 25. It is compatible with automatic transmissions only, not manual trans. The California Prop 65 warning applies. This CV Axle Assembly fits the front right passenger side of the vehicle. It comes with a 1-year manufacturer warranty. Note that it fits Fuel CNG only for 2014-2015 Honda Civic, not GAS.