Accessory Drive Belt Tensioner. Accessory Drive Belt Tensioner Assembly. The engine types may include 2.5L 2496CC V6 FLEX DOHC Naturally Aspirated,2.5L 2496CC V6 GAS DOHC Naturally Aspirated,3.0L 2996CC V6 FLEX DOHC Naturally Aspirated,3.0L 2996CC V6 GAS DOHC Naturally Aspirated,3.5L 3498CC V6 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated,3.5L 3498CC V6 GAS DOHC Naturally Aspirated,4.7L 4663CC 285Cu.