The Claas 3617400 is a genuine OEM O-Ring designed to DIN 3771 standards, featuring a 20.22 mm inner diameter and a 3.53 mm thickness. Manufactured from durable NBR (Nitrile Butadiene Rubber) with a 70 Shore A hardness, this O-ring ensures reliable sealing performance across a wide range of Claas agricultural and construction machinery models, including ARES, ARION, AXION, CELTIS, CERES, ERGOS, NEXOS, PALLAS, TEMIS, ATLES, XERION, JAGUAR, LEXION, QUADRANT, ROLLANT, VARIANT, SCORPION, and TORION series.