# PMA parts: Lycoming LTIO-540-K1AD A list on [Lycoming LTIO-540-K1AD](https://openairdocs.org/engine/lycoming-ltio-540-k1ad.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 20 · 997 PMA parts - [AB-160844](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100141747720251216184413.0001): Spring & Brush Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-160844 · Nov 10, 2025 - [OC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178549155320250923184433.0001): Oil Cooler Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Sep 12, 2025 - [AE943](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185624017520250908153027.0001): Rotor Shaft · Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-228 · Aug 27, 2025 - [AE45BS-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173583138520250908153031.0001): Brush Rack Assembly · Aerospace Turbine Rotables · PMA PQ3736CE · Replaces Prestolite Part Number ALU-1045BS · Aug 27, 2025 - [SL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151538433320250923185921.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025 - [TXPL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146504457020250923185923.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025 - [HSS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104096221220250923185925.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025 - [AA48111-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120682187320240813134136.0001): Oil Filter · Aero Accessories LLC · PMA PQ1206CE · Replaces Aero AccessoriesAA48111Champion… · Jul 12, 2024 - [ES10-35936-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191691087420251216184428.0001): Screw · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-35936-7 · Dec 8, 2023 - [AB-382789](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131202563120251216184436.0001): Screw · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-382789 · Dec 8, 2023 - [AB-55501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122580157220251216184441.0001): Washer · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-55501 · Dec 8, 2023 - [TA2927-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196557185220231109131559.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023 - [TA2927-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168120339420231109131600.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023 - [RG-72812](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138959359020240531133025.0001): Gasket · Real Gasket TN · PMA PQ1666CE · Replaces 06B21326LW-1330672812 · Aug 29, 2023 - [ES-4019LS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185701279720220916174121.0001): Alternator Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming 32C21420 · Aug 3, 2022 - [PM1204](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196922577320220916164411.0001): Starter Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW-1055631A2255231A2119831A22552 · May 16, 2022 - [MHB-4018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156326444820220916164354.0001): Starter Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming LW-15577 · May 16, 2022 - [MHB-4016](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154657633320220916164352.0001): Starter Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming LW-15572 · May 16, 2022 - [MHB‐4014](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108571337320220916164351.0001): Starter Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming LW-14214 · May 16, 2022 - [SL-STD-1065 P002](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID633501052720210823172411.0001): Dowel, Stepped · Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-1065-P02 · May 10, 2021 - [SL13884A M010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID950834300720210729195112.0001): Bearing, Front Main · Superior Air Parts Inc · PMA PQ0060SW · Replaces LW-13884 M1018A19441 M1018A26093 M10 · Feb 25, 2021 - [SL13884A M006](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID699195408420210729195110.0001): Bearing, Front Main · Superior Air Parts Inc · PMA PQ0060SW · Replaces LW-13884 M0618A19441 M0618A26093 M06 · Feb 25, 2021 - [SL13884A M003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID689691994320210729195108.0001): Bearing, Front Main · Superior Air Parts Inc · PMA PQ0060SW · Replaces LW-13884 M0318A19441 M0318A26093 M03 · Feb 25, 2021 - [SL13884A P015-M003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID549231340620210729195116.0001): Bearing, Front Main · Superior Air Parts Inc · PMA PQ0060SW · Replaces LW-13884 P15-M0318A19441… · Feb 25, 2021 - [SL13884A P015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID414160506220210729195114.0001): Bearing, Front Main · Superior Air Parts Inc · PMA PQ0060SW · Replaces LW-13884 P1518A19441 P1518A26093 P15 · Feb 25, 2021 - [SL13884A P015-M010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102818643220210729195120.0001): Bearing, Front Main · Superior Air Parts Inc · PMA PQ0060SW · Replaces LW-13884 P15-M1018A19441… · Feb 25, 2021 - [SL31CD-17 P003](https://drs.faa.gov/browse/excelExternalWindow/F659E4EB8DB01695862585FB0034F5D9.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-17-P03 · Oct 6, 2020 - [SL31CD-16 P012](https://drs.faa.gov/browse/excelExternalWindow/F266CA7E477307DC862585FB0034F5A4.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-16-P12 · Oct 6, 2020 - [SL31CD-13 P012](https://drs.faa.gov/browse/excelExternalWindow/E656978A9DBFB875862585FB0034F397.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-13-P12 · Oct 6, 2020 - [SL31CD-8 P003](https://drs.faa.gov/browse/excelExternalWindow/CAF2AF0E913FE9BD862585FB0034EF24.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-8-P03 · Oct 6, 2020 - [SL31CD-12 P007](https://drs.faa.gov/browse/excelExternalWindow/C54ACF40782DEBC8862585FB0034F27F.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-12-P07 · Oct 6, 2020 - [SL31CD-16 P007](https://drs.faa.gov/browse/excelExternalWindow/BF0A4986950E56BF862585FB0034F569.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-16-P07 · Oct 6, 2020 - [SL31CD-9 P003](https://drs.faa.gov/browse/excelExternalWindow/B9F7D60B38AEE8DF862585FB0034F034.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-9-P03 · Oct 6, 2020 - [SL31CD-9 P012](https://drs.faa.gov/browse/excelExternalWindow/B1D44CBED84E8BAB862585FB0034F0B2.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-9-P12 · Oct 6, 2020 - [SL31CD-17 P012](https://drs.faa.gov/browse/excelExternalWindow/AAC574021811F7CE862585FB0034F64F.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-17-P12 · Oct 6, 2020 - [SL31CD-14 P007](https://drs.faa.gov/browse/excelExternalWindow/A90ED71F550BACC8862585FB0034F411.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-14-P07 · Oct 6, 2020 - [SL31CD-14 P003](https://drs.faa.gov/browse/excelExternalWindow/A13F7190860A5D16862585FB0034F3D2.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-14-P03 · Oct 6, 2020 - [SL31CD-10 P007](https://drs.faa.gov/browse/excelExternalWindow/909ECAA97B419CBC862585FB0034F131.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-10-P07 · Oct 6, 2020 - [SL31CD-11 P007](https://drs.faa.gov/browse/excelExternalWindow/85D88C32D876EA1A862585FB0034F1E3.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-11-P07 · Oct 6, 2020 - [SL31CD-19 P007](https://drs.faa.gov/browse/excelExternalWindow/84E2AF0EBBEC6946862585FB0034F760.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-19-P07 · Oct 6, 2020 - [SL31CD-18 P003](https://drs.faa.gov/browse/excelExternalWindow/83C21036C578A11E862585FB0034F685.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-18-P03 · Oct 6, 2020 - [SL31CD-17 P007](https://drs.faa.gov/browse/excelExternalWindow/7CD6BAAF107F8D1C862585FB0034F61B.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-17-P07 · Oct 6, 2020 - [SL31CD-11 P012](https://drs.faa.gov/browse/excelExternalWindow/61B9AA1F8A4F064A862585FB0034F216.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-11-P12 · Oct 6, 2020 - [SL31CD-12 P003](https://drs.faa.gov/browse/excelExternalWindow/610CC23D8A41275E862585FB0034F24A.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-12-P03 · Oct 6, 2020 - [SL31CD-18 P007](https://drs.faa.gov/browse/excelExternalWindow/5C12B8DDD82D9281862585FB0034F6BC.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-18-P07 · Oct 6, 2020 - [SL31CD-15 P007](https://drs.faa.gov/browse/excelExternalWindow/5A14FE3AEE830F88862585FB0034F4C3.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-15-P07 · Oct 6, 2020 - [SL31CD-15 P012](https://drs.faa.gov/browse/excelExternalWindow/4E3376F54122A5E7862585FB0034F4FB.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-15-P12 · Oct 6, 2020 - [SL31CD-12 P012](https://drs.faa.gov/browse/excelExternalWindow/4E2CCD6B7D09F406862585FB0034F2CD.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-12-P12 · Oct 6, 2020 - [SL31CD-19 P012](https://drs.faa.gov/browse/excelExternalWindow/4A7F1CEBDC2B2B15862585FB0034F797.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-19-P12 · Oct 6, 2020 - [SL31CD-18 P012](https://drs.faa.gov/browse/excelExternalWindow/479EDD643567685C862585FB0034F6F1.0001): Stud, 5/16 IN DIA, Coarse Thread · Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-18-P12 · Oct 6, 2020 Next page: https://openairdocs.org/engine/lycoming-ltio-540-k1ad/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 ('E14EA') AND len(list_intersect(tcds_models, ['LTIO-540-K1AD'])) > 0 ORDER BY supplement_date DESC, drs_guid DESC ``` This list as a web page: https://openairdocs.org/engine/lycoming-ltio-540-k1ad/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.