Request For Price Alternate Part NumberPart NameReplaced PNQuanityMaterial Condition 636-3, Rev J Group List No. 636-3 dtd. 7/2/85, or later FAA approved rev. Exhaust Stack Assy. L/H Rockwell P/N 636-3 Factory New New Unused Surplus Overhauled Used Any Aircraft Models Rockwell International (Model 560-F, S/N 951 through 1496 with Avco Lycoming IGO-540-B1A, -B1C Engines. 680-F or 680-F(P) S/N 871 through 1447 with Avco Lycoming IGSO- 650-B1A, B1C Engines. 680FL, S/N 1261 through 1853 with Avco Lycoming IGSO-540-B1A, B1C Engines. 680 FL(P) S/N 1471 through 1854 with Avco Lycoming IGSO-540-B1A, BlC Engines.) Company Name First Name * Last Name * Email * Phone Number * Notes Sales Order T&CPrivacy Policy Send Request Please note that by requesting pricing, you are accepting our Sales Order T&C and Privacy Policy. For more information, please follow the links under the policy menu below.