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 97-99 Buick CENTURY 3.1L V6 AT 97-99 Buick REGAL 3.8L V6 AT 97-00 Chevrolet VENTURE 3.4L V6 AT 98-99 Oldsmobile INTRIGUE 3.8L V6 AT 97-00 Oldsmobile SILHOUETTE 3.4L V6 AT 97-97 Pontiac GRAND PRIX 3.1L V6 AT 97-03 Pontiac GRAND PRIX 3.8L V6 AT 99-00 Pontiac MONTANA 3.4L V6 AT 97-99 Pontiac TRANS SPORT 3.4L V6 AT