Picked this up a while ago

About 6 months ago i traded a 92 Mustang Hatch for this 99 Cummins, so far I’ve loved the truck, anything I should watch out for in the future?

About 6 months ago i traded a 92 Mustang Hatch for this 99 Cummins, so far I’ve loved the truck, anything I should watch out for in the future?