# PMA parts: CFM International CFM56-5C2/4 series A list on [CFM International CFM56-5C2/4 series](https://openairdocs.org/engine/cfm-international-cfm56-5c2-4-series.md). Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. Page 1 of 91 · 4,526 PMA parts - [2564M19G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183308050320261019152741.0001): Seal - Stg 2 Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G01 · Oct 15, 2026 - [2564M19G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183308050320261019152741.0001): Seal - Stg 2 Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G01 · Oct 15, 2026 - [2564M15G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182481008320261019152741.0001): Seal - Retainer Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G02 · Oct 15, 2026 - [2564M15G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182481008320261019152741.0001): Seal - Retainer Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G02 · Oct 15, 2026 - [2564M19G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171586083020261019152741.0001): Seal - Stg 2 Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G02 · Oct 15, 2026 - [2564M19G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171586083020261019152741.0001): Seal - Stg 2 Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G02 · Oct 15, 2026 - [2564M15G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139341463420261019152740.0001): Seal - Stg 3 Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G01 · Oct 15, 2026 - [2564M15G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139341463420261019152740.0001): Seal - Stg 3 Cprsr Sttr · Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G01 · Oct 15, 2026 - [337-141-601-0KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157822411420261008134816.0001): Bolt · Turbine Kinetics Inc., A HEICO Aerospace Company · PMA PQ0816NE · Replaces 337-141-601-0 · Sep 29, 2026 - [337-141-601-0KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157822411420261008134816.0001): Bolt · Turbine Kinetics Inc., A HEICO Aerospace Company · PMA PQ0816NE · Replaces 337-141-601-0 · Sep 29, 2026 - [649-788-399-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103937182820260909145920.0001): Packing-Preformed O-Ring · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 649-788-399-0 · Aug 24, 2026 - [649-788-399-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103937182820260909145920.0001): Packing-Preformed O-Ring · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 649-788-399-0 · Aug 24, 2026 - [3051-1051KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121122166320260805155543.0001): Seal, Trapezoidal · Turbine Kinetics Inc, A HEICO Aerospace Company · PMA PQ0816NE · Replaces 3051-1051 · Jul 21, 2026 - [3051-1051KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121122166320260805155543.0001): Seal, Trapezoidal · Turbine Kinetics Inc, A HEICO Aerospace Company · PMA PQ0816NE · Replaces 3051-1051 · Jul 21, 2026 - [3177421JP-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144029116620260805181453.0001): Setscrew · Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 3177421-1 · Jul 16, 2026 - [3177421JP-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144029116620260805181453.0001): Setscrew · Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 3177421-1 · Jul 16, 2026 - [1211342-240-014JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101824618120260706131723.0001): Packing · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1211342-240-014 · Jun 25, 2026 - [1211342-240-014JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101824618120260706131723.0001): Packing · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1211342-240-014 · Jun 25, 2026 - [AAP-3504163-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180945408320260406133714.0001): Bearing · Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3504163-1 · Apr 1, 2026 - [AAP-3504163-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180945408320260406133714.0001): Bearing · Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3504163-1 · Apr 1, 2026 - [E140375-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181608826420251229153151.0001): Flexible Shaft Assembly · BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-3 · Dec 17, 2025 - [E140375-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181608826420251229153151.0001): Flexible Shaft Assembly · BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-3 · Dec 17, 2025 - [E140375-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149149609920251229153152.0001): Flexible Shaft Assembly · BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-4 · Dec 17, 2025 - [E140375-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149149609920251229153152.0001): Flexible Shaft Assembly · BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-4 · Dec 17, 2025 - [AAP-3502129-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199148521820251125143636.0001): Bearing · Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3502129-1 · Nov 6, 2025 - [AAP-3502129-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199148521820251125143636.0001): Bearing · Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3502129-1 · Nov 6, 2025 - [P00484](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192323849020251124234053.0001): Thrust Washer · Aviation Component Solutions · PMA PQ2685CE · Replaces 222347 · Oct 29, 2025 - [P00484](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192323849020251124234053.0001): Thrust Washer · Aviation Component Solutions · PMA PQ2685CE · Replaces 222347 · Oct 29, 2025 - [P00492](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169258274420251124234054.0001): Carbon Bearing · Aviation Component Solutions · PMA PQ2685CE · Replaces 229711 · Oct 29, 2025 - [P00492](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169258274420251124234054.0001): Carbon Bearing · Aviation Component Solutions · PMA PQ2685CE · Replaces 229711 · Oct 29, 2025 - [P00496](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159981740620251124234055.0001): Gland Nut · Aviation Component Solutions · PMA PQ2685CE · Replaces 229710 · Oct 29, 2025 - [P00496](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159981740620251124234055.0001): Gland Nut · Aviation Component Solutions · PMA PQ2685CE · Replaces 229710 · Oct 29, 2025 - [P01630](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145061862320251124234055.0001): Seal Ring · Aviation Component Solutions · PMA PQ2685CE · Replaces 324450 · Oct 29, 2025 - [P01630](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145061862320251124234055.0001): Seal Ring · Aviation Component Solutions · PMA PQ2685CE · Replaces 324450 · Oct 29, 2025 - [P00420](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137880670920251124234053.0001): Shaft Seal Set · Aviation Component Solutions · PMA PQ2685CE · Replaces 324692 · Oct 29, 2025 - [P00420](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137880670920251124234053.0001): Shaft Seal Set · Aviation Component Solutions · PMA PQ2685CE · Replaces 324692 · Oct 29, 2025 - [P00171](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135016155420251124234052.0001): Sleeve · Aviation Component Solutions · PMA PQ2685CE · Replaces 224607 · Oct 29, 2025 - [P00171](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135016155420251124234052.0001): Sleeve · Aviation Component Solutions · PMA PQ2685CE · Replaces 224607 · Oct 29, 2025 - [P00493](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134992225020251124234054.0001): Retainer Wire · Aviation Component Solutions · PMA PQ2685CE · Replaces 125532 · Oct 29, 2025 - [P00493](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134992225020251124234054.0001): Retainer Wire · Aviation Component Solutions · PMA PQ2685CE · Replaces 125532 · Oct 29, 2025 - [P00290](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111668652720251124234052.0001): Piston Ring Set · Aviation Component Solutions · PMA PQ2685CE · Replaces 323528 · Oct 29, 2025 - [P00290](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111668652720251124234052.0001): Piston Ring Set · Aviation Component Solutions · PMA PQ2685CE · Replaces 323528 · Oct 29, 2025 - [1559M19P02JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182468241420250904144800.0001): Stop-Sector CPRSR STTR · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1559M19P02 · Aug 25, 2025 - [1559M19P02JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182468241420250904144800.0001): Stop-Sector CPRSR STTR · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1559M19P02 · Aug 25, 2025 - [WF335301](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167080527920250602133024.0001): Filter Element, Lube · Donaldson Company Inc · PMA PQ2432CE · Replaces QA06422, Alternate: 7593194-101… · May 23, 2025 - [WF335301](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167080527920250602133024.0001): Filter Element, Lube · Donaldson Company Inc · PMA PQ2432CE · Replaces QA06422, Alternate: 7593194-101… · May 23, 2025 - [1211313-010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155958927220250402211756.0001): Actuator, Variable Stator · Arkwin Industires Inc · PMA PQ0365NE · Replaces 1324M12P10Software version: N/A · Mar 24, 2025 - [1211313-010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155958927220250402211756.0001): Actuator, Variable Stator · Arkwin Industires Inc · PMA PQ0365NE · Replaces 1324M12P10Software version: N/A · Mar 24, 2025 - [305-050-003-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147610688520250311191844.0001): Nipple Assy Restrictor · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 305-050-003-0 · Feb 28, 2025 - [305-050-003-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147610688520250311191844.0001): Nipple Assy Restrictor · Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 305-050-003-0 · Feb 28, 2025 Next page: https://openairdocs.org/engine/cfm-international-cfm56-5c2-4-series/pma.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet' WHERE tcds_number IN ('E37NE', 'E38NE') AND len(list_intersect(tcds_models, ['CFM56-5C2/4'])) > 0 ORDER BY supplement_date DESC, drs_guid DESC ``` This list as a web page: https://openairdocs.org/engine/cfm-international-cfm56-5c2-4-series/pma --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.