The Caterpillar P550938 is a genuine OEM spin-on fuel filter designed for standard efficiency filtration across a broad range of Caterpillar industrial, marine, and generator set engines, as well as heavy equipment. This robust fuel filter features an outer diameter of 93.7 mm, a length of 177.8 mm, and a weight of 0.68 kg. It is equipped with a 1-14 UN thread size and a gasket with an outer diameter of 71.37 mm and an inner diameter of 62.48 mm. Engineered to protect critical fuel system components from contaminants, the P550938 ensures reliable engine performance and extends the lifespan of your machinery.