DNJ IV3117 Intake Valve for 1998-2009 / Buick, Chevrolet, Oldsmobile, Pontiac/Alero, Aztek, Century, Cutlass, Equinox, Grand Am, Grand Prix, Impala, Lumina, Malibu / 3.1L, 3.4L / VIN E, VIN F DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for all cars and trucks and offers listings of all engines. All DNJ Engine Components meet or exceed OE Quality 100% tested for maximum performance and durability. Verified for fit, form and function Excellent quality you can trust