Which component of a fuel system is primarily responsible for separating solid particles from fuel?

The correct answer is the sediment trap. In a fuel system, the sediment trap plays a crucial role in enhancing fuel quality by collecting heavier solid particles such as dirt, rust, and other debris that might settle at the bottom of the fuel tank.

This component is specifically designed to prevent these impurities from reaching the fuel filters and ultimately the engine, where they could cause significant damage or operational issues. While filters also serve the purpose of removing contaminants from the fuel, they primarily focus on finer particles and often work downstream from the sediment trap.

The other options, such as the tank, are designed for storage, and the pump is responsible for moving fuel rather than separating solids. Although filters are essential for maintaining fuel quality, the sediment trap is specifically engineered to capture larger sediment before the fuel goes through the filtration process. This distinction highlights the sediment trap's importance in overall fuel system maintenance.