The Oregon 38033 clutch drum is a high-quality replacement part designed for various Echo chainsaws. This durable drum features a 3/8 inch pitch and 6 teeth, ensuring reliable power transfer. It has an inner diameter of 63 mm, an outer diameter of 66 mm, and a height of 25 mm, weighing 0.15 kg. It directly replaces Echo OEM part numbers 175000-03430, 175000-03431, 175000-03432, and 175000-03433, providing a perfect fit for models like CS-301, CS-315, CS-330T, CS-340, CS-345, CS-346, CS-3000, CS-3400, CS-3450, and CS-3050.