This is a brand-new 3.5-inch fifth wheel part, professional spare component for trucks and trailers. It acts as a key connecting unit to link tractor and semi-trailer steadily under heavy load. Adopting high-strength metal material, it delivers outstanding wear resistance and pressure resistance, suitable for complex road and weather conditions. Precise dimension design supports easy installation and good compatibility with mainstream models. Strict factory quality inspection ensures reliable operation and long service life, perfect for fifth wheel maintenance and replacement.