The Caterpillar 3T-1699 Relief Valve is a CatCorp valve part manufactured from carbon steel and cataloged under the part number 3T-1699. CatParts listings identify 3T-1699 as a valve and note compatibility with Caterpillar track-type tractors, indicating it is intended for use in Cat hydraulic systems on those machines. This exact part number helps ensure proper fit and function for owners replacing a valve in the tracked equipment families that rely on Caterpillar components.
