This Caterpillar NBR (90) O-Ring (1237724) is a high-quality sealing component designed for various applications. With a temperature range of -40°F to 212°F and a hardness of 90 Shore A, it provides reliable and durable performance. The O-Ring is made of NBR (Nitrile butadiene) material, known for its excellent resistance to oil, fuel, and other fluids.

With a cross section diameter of 0.2 inches, inner diameter of 4.41 inches, and outside diameter of 4.803 inches, this O-Ring is compatible with various Caterpillar models. It is specifically designed for Material Loaders like M325D MH, MH3024, and MH3026, as well as Excavators like M318. It is also suitable for Wheel Excavators such as M316C, M315C, M315D, M316D, M316F, M317D2, M318F, M322C, M322D, M322D MH, M323F, M324D2 MH, and M325C MH.

This O-Ring weighs only 0.1 lbs and has dimensions of 15.24 cm in length, 12.7 cm in width, and 2.54 cm in depth. It is a reliable and efficient sealing solution for various Caterpillar equipment.