2135-K303 Inlet Kit. Part number: 2135-K303 & 2131-K303 Fit: IR 2131, 2132G, 2135Ti, 2135PTi, 2135TiMAX, 2112, 2121, 2115Ti and 2115TiMAX, 2235 Impact Gun. Replacement part for 2115TiMAX Impact Wrench.