The New Holland M12289 O-RING is a genuine OEM sealing component designed for various New Holland agricultural and construction equipment. This precision-engineered O-ring features an inner diameter of 12.0 mm, an outer diameter of 18.0 mm, and a thickness of 3.0 mm, ensuring a tight and reliable seal in critical applications. It is essential for maintaining hydraulic system integrity and preventing leaks across a wide range of New Holland tractors, combines, balers, telehandlers, skid steer loaders, compact track loaders, wheel loaders, excavators, backhoe loaders, grape harvesters, and windrowers.