621-11, Rev K Group List No. 621-11 dtd. 7/2/85, or later FAA approved rev. Exhaust Stack Assy L/h

Lycoming Exhaust Stack Assy L/h 62111,RevKGroupListNo62111dtd7285,orlaterFAAapprovedrev

Models

• Model 500-H S/N 893 through 1631 with Avco Lycoming IO-540-B1A5
• Model 500-B1C5
• Model 500-E1A5
• or -E1B5 Engines Rockwell International Model 500-S S/N 1755 through 3151 with Avco Lycoming IO-540-EIA5 or E1B5 Engines. 500-U S/N 1635 through 1780 with Avco Lycoming IO-540-E1A5 or -E1B5 Engines.

OEM Rockwell P/N 621-11