Koyo leads the radiator industry in quality, performance and fitment. Koyo engineers carefully design the radiators offering a true plug and play installation No drilling, cutting, relocating, or stretching to get their radiators to fit properly.These OEM Koyo replacement radiators feature plastic end tanks with a aluminum core, allowing for a cost effective option compared to the OEM units. Fits 01-06 Acura MDX 3.5L V6 AT 03-05 Honda PILOT 3.5L V6 AT Supersedes A2417C & A2740C