Titan 704-703 or 704703 also 0509591 Lower Inlet Ball Cage OEM 440i Titan 704-703 or Wagner 0509591 Metal Inlet Ball Cage Fits Impact 440i, newer 440's & 640's, Advantage 400, XI 345, XI 445, Spraytech 2155 & 2255. May also fit Wagner and SprayTech equipment. Genuine Titan OEM part Check your manual or manufacturers website for part numbers and detailed information.