DNJ HG522 Head Gasket for 2004-2007 / Suzuki/Aerio / 2.3L / DOHC / L4 / 16V / 140cid 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