Which body structural panels run from front to rear?

The correct choice is the one that accurately describes the structural panels located along the length of the vehicle, running from the front to the rear. The cowl, pillars, and floor pan are all integral components of a vehicle's structure that contribute to its overall integrity and safety.

The cowl is situated at the base of the windshield and connects to the firewall, playing a crucial role in providing structural support and housing essential components like the wiper motors. The pillars, which include the A, B, and C pillars, provide vertical support for the roof and help maintain the vehicle's rigidity. Lastly, the floor pan serves as the base structure for the vehicle's cabin, extending from the front to the rear and supporting the seats and other interior components.

Understanding the layout of these structural panels is essential for appraisals, as they significantly impact the vehicle's safety and collision repair processes. Other choices include components more focused on non-structural or external elements that do not run the full length of the vehicle, which is why they do not represent panels that run from front to rear.