This car does not give you an exact fuel filter replacement interval, so it should only be replaced when the fuel pump is replaced... (yourmechanic.com)
Similarly, to get an exact quote for the replacement of your vehicle's fuel filter, please click on «Get a Quote» on YourMechanic's fuel filter replacement service page. (yourmechanic.com)
duramax 6.6 l turbodiesel (lml → New dirt released on the 2017 duramax 6.6 l l5p v8 turbo → Chevy and gmc duramax diesel forum fuel filters → Fuel filter replacement colorado diesel forum → How to replace the fuel filter on a duramax 6.6 turbo diesel → (upcomingchevrolet.us)