Dodge 2008 Charger - Manual (Page 422)

Component Fluids, Lubricants, and Genuine Parts
Oil Filter (3.5 Liter) Mopar ௡ 05281090 or equivalent.
Oil Filter (5.7 Liter) Mopar ௡ 05281090 or equivalent.
Fuel Selection (2.7 Liter) 87 Octane
Fuel Selection (3.5 Liter) 87 to 89 Octane
Fuel Selection (5.7 Liter) 87 to 89 Octane
422 MAINTAINING YOUR VEHICLE