The International LT's exterior sees significant enhancements with new features, customizable options, and adjustments to existing parts, including the addition of the S13 model with its Integrated Powertrain. Additional accessories such as new chassis fairing extenders, bumper and grille options, FlowBelow fairings, blindspot detectors, and a shorter day cab chassis have been introduced.
It's in the title ...
https://blog.scssoft.com/2024/04/american-truck-simulator-150-update.html