The Southbend 1183605 range rear pilot tube is designed to support reliable gas flow within compatible commercial range pilot assemblies. As part of the pilot system, the tube provides a dedicated passage for fuel to reach the pilot burner, helping maintain consistent ignition and burner operation when properly installed. Replacing a damaged, restricted, or worn pilot tube can help re... https://partsfe.com/pilot-tube-rear-for-southbend-part-1183605