Built as a direct equivalent to the Caterpillar 3I1637, this 12 micron microglass hydraulic filter element delivers OEM-level fit and performance. The pleated synthetic microglass media captures 99.9% of contaminants at the rated size (Beta 1000).
The 3I1637 element is 3.125″ OD, 1.697″ ID, 12.96″ tall, with a single open end. It carries a Buna-N seal rated for 250°F max. Proudly made in the USA. ISO certified.
