The term 'Truck PARTS' can be broken down into two crossword solutions: CABS (4 letters) and PARTS (5 letters). CABS refers to the cab of a truck, which is the compartment where the driver sits. The cab is typically made of metal and contains the steering wheel, dashboard, and other controls. PARTS refer to the components that make up a truck, such as the engine, transmission, brakes, suspension, and other mechanical PARTS. Together, these two solutions encompass all the components that make up a truck.