This genuine Claas 0001421440 closure screw, also known as a drain plug, is an essential component for maintaining various Claas agricultural machinery. Featuring an M18x1.5 thread for secure fitment and a 17mm spanner size for easy installation and removal, this high-quality OEM part ensures reliable sealing and proper fluid management. It is designed to meet Claas's stringent specifications for durability and performance across a wide range of models including LEXION, JAGUAR, AXION, and ARION series.