DNJ TK435 Timing Chain Kit for 2003-2007 / Mazda / 3, 6/2.3L / DOHC / L4 / 16V / 2260cc 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