Ingersoll Rand 2135-K303 Inlet Kit for 2115TIMAX Impact Wrench Includes 28A Washer, 28B o-ring seal, 28C throttle spring, 28D throttle valve, 28E valve seat, 28F seat support and 28G retainer Replacement part for the Ingersoll 2115TiMAX Impact Wrench Inlet kit for air compressor Standard duty replacement part Built strong for longer life