Find quality Freightliner Century 112/120 Sleeper Repair Parts at 4 State Trucks. Our selection includes trim rings, air springs, and shock absorbers to improve your truck's look and performance. Whether you need to replace a worn-out part or upgrade for better comfort and control, we've got you covered. Shop online or visit us in Joplin, MO, for reliable parts that keep your sleeper in great shape.