The 75012156 V731ZB Oil Seal by Freudenberg-NOK features dimensions of 3.000" ID, 4.003" OD, and 0.375" width, designed for effective sealing in various applications. Constructed from high-quality materials, this oil seal offers excellent resistance to oils and other fluids, ensuring durability in demanding environments. Its precise dimensions allow for a secure fit in hydraulic and pneumatic systems, preventing leaks and maintaining optimal performance. The V731ZB variant is ideal for industrial machinery, providing reliable sealing solutions.