# PMA parts: Allison 501-D22C

A list on [Allison 501-D22C](https://openairdocs.org/engine/allison-501-d22c.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 16 · 765 PMA parts

- [211-326P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125354605420260305135806.0001): Filter Element Assembly · Donaldson Company Inc · PMA PQ2432CE · Replaces 6873547, 6871805 · Mar 3, 2026
- [23071468P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154696035220251205185338.0001): Support,Turbine –Front Bearing · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23071468 · Aug 5, 2025
- [6824043TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186387820320250102180342.0001): Gear, Spur, Tachometer & Oil Pump Drive · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824043 · Jul 2, 2024
- [6829396TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178937992820250102180341.0001): Gear, Spur-Main Accessory Drive · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829396 · Jul 2, 2024
- [6845945TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167884631120250102180348.0001): Bolt, Tie, Compressor · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6845945 · Jul 2, 2024
- [6824044TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161475209220250102180340.0001): Gear, Spur, Pump Drive Idler · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824044 · Jul 2, 2024
- [23056998TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112055361520250102180341.0001): Separator, Planet Bearing · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6894131, 23056998 · Jul 2, 2024
- [6894131TT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100519029720250102180341.0001): Separator, Planet Bearing · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6894131, 23056998 · Jul 2, 2024
- [6895818P](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144513949520240223131114.0001): Seal Ring,Split - 5.310 O.D. X.168 Thick · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6895818 · Feb 7, 2024
- [23052969P-04](https://drs.faa.gov/browse/excelExternalWindow/C0DB0C47E27F2314862585960037AC5D.0001): Seal Metallic - Omega Type · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23052969-04 · Feb 9, 2020
- [23052969P-05](https://drs.faa.gov/browse/excelExternalWindow/66CF270456E3E9B5862585960037AC97.0001): Seal Metallic - Omega Type · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23052969-05 · Feb 9, 2020
- [23052969P-03](https://drs.faa.gov/browse/excelExternalWindow/2D6B828437973C31862585960037AC25.0001): Seal Metallic - Omega Type · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23052969-03 · Feb 9, 2020
- [5231714P](https://drs.faa.gov/browse/excelExternalWindow/30631F870A09D1868625858A006C5D33.0001): Valve Guide Assembly- Nozzle · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5231714 · Oct 31, 2019
- [5231796P](https://drs.faa.gov/browse/excelExternalWindow/C56871E98D39FE1986258557004DF981.0001): Air Shroud - Nozzle · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 5231796 · Jun 13, 2019
- [6859611P](https://drs.faa.gov/browse/excelExternalWindow/A0EFB5C0E988F26A862584A5005D7D46.0001): Vane Assy Compressor 11th Stage · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6859611 · Mar 25, 2019
- [6859612P](https://drs.faa.gov/browse/excelExternalWindow/748EB2538D82FEB5862584A5005D7D5C.0001): Vane Assy Compressor 12th Stage · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6859612 · Mar 25, 2019
- [6859613P](https://drs.faa.gov/browse/excelExternalWindow/588DB43D16112C70862584A5005D7D77.0001): Vane Assy Compressor 13th Stage · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6859613 · Mar 25, 2019
- [23052969P-03, 23052969P-04, 23052969P-05](https://drs.faa.gov/browse/excelExternalWindow/4895383E0C5F662486258160006C9EED.0001): Seal Metallic - Omega Type · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23052969P-03, 23052969P-04, 23052969P-05 · Jun 12, 2017
- [23079416P](https://drs.faa.gov/browse/excelExternalWindow/F98BF1305F7BECC286258160006C9E5D.0001): Gasket - 10TH Stage Bleed · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23079416 · May 29, 2017
- [23079417P](https://drs.faa.gov/browse/excelExternalWindow/0E28D26FE43CD40486258160006C9EA5.0001): Gasket - 5TH Stage Bleed · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23079417 · May 29, 2017
- [23004642P, 23004642P+.005, 23004642P+.010, 23004642P+.015, 23004642P+.020](https://drs.faa.gov/browse/excelExternalWindow/779829D420321EE2862581590079FE04.0001): Cage, Bearing -Main Idler Gear Front (and Oversizes) · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23004642, 23004642+.005… · Apr 16, 2017
- [23052087P](https://drs.faa.gov/browse/excelExternalWindow/47D82808759C6624862581590079FE74.0001): Gasket - 4 Bolt Square Flange.938 ID · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23052087 · Apr 16, 2017
- [6871880P](https://drs.faa.gov/browse/excelExternalWindow/51FCF952DF3DD92F8625803E007A82EF.0001): Body Assy, Scav Oil Pump · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6871880 · Sep 28, 2016
- [23004642TA 23004642TA-005 23004642TA-010 23004642TA-015 23004642TA-020](https://drs.faa.gov/browse/excelExternalWindow/E2F5322AA93525408625836A00502D19.0001): Cage, Bearing-Main Idler Gear Front (and oversizes) · Extex Engineered Products Inc · PMA PQ2203NM · Replaces 23004642 · Sep 7, 2016
- [T6841729](https://drs.faa.gov/browse/excelExternalWindow/E1CEBAD190F36FA48625836A00502E30.0001): Stud-Stepped, 2 Diameter Engagement, 3/8-16 NJS X 5/16-24 UNJF · Extex Engineered Products Inc · PMA PQ2203NM · Replaces 6841729 · Sep 7, 2016
- [23004643TA 23004643TA-005 23004643TA-010 23004643TA-015 23004643TA-020 23004643TA-025 23004643TA-030](https://drs.faa.gov/browse/excelExternalWindow/DD57607B2046941D8625836A00502D1B.0001): Cage, Bearing- Main Idler Gear Rear (and oversizes) · Extex Engineered Products Inc · PMA PQ2203NM · Replaces 23004643 · Sep 7, 2016
- [6793016TA](https://drs.faa.gov/browse/excelExternalWindow/DA69F41CE7F38A0F8625836A00502D16.0001): Shaft - Compressor Extension · Extex Engineered Products Inc · PMA PQ2203NM · Replaces 6793016 · Sep 7, 2016
- [23004645TA 23004645TA-005 23004645TA-010 23004645TA-015 23004645TA-020 23004645TA-025 23004645TA-030](https://drs.faa.gov/browse/excelExternalWindow/CC06A2959D3B5F188625836A00502D1D.0001): Cage, Bearing -EDC Idler Gear Rear (and oversizes) · Extex Engineered Products Inc · PMA PQ2203NM · Replaces 23004645 · Sep 7, 2016
- [23004641TA 23004641TA-005 23004641TA-010 23004641TA-015 23004641TA-020](https://drs.faa.gov/browse/excelExternalWindow/BDF653CED8532D728625836A00502D18.0001): Cage, Bearing-Accessory Drive Shafts (and oversizes) · Extex Engineered Products Inc · PMA PQ2203NM · Replaces 23004641 · Sep 7, 2016
- [23053858P](https://drs.faa.gov/browse/excelExternalWindow/FCD770D6DCBC545C86257EB20063515A.0001): Seal, Labyrinth, Rotating, compr Rear-Secondary · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23053858 · Aug 30, 2015
- [6845945TT](https://drs.faa.gov/browse/excelExternalWindow/0477B6D5755FE99B86257E4C0069B93F.0001): Bolt, Tie, Compressor · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6845945 · Mar 23, 2015
- [6843872P-4](https://drs.faa.gov/browse/excelExternalWindow/D288FFD6EF646D6A86257DAA004EA9DE.0001): Lock Ring, Turbine Blade · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6843872P-4 · Dec 7, 2014
- [6843872P-5](https://drs.faa.gov/browse/excelExternalWindow/649E85F82E28AB9986257DAA004EA9E0.0001): Lock Ring, Turbine Blade · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6843872P-5 · Dec 7, 2014
- [6894313TT](https://drs.faa.gov/browse/excelExternalWindow/E793B881153A515586257DAC00537B74.0001): Separator, Planet Bearing · Turbo Technologies LLC · PMA PQ2318NM · Replaces 68943131, 23056998 · Oct 5, 2014
- [23056998TT](https://drs.faa.gov/browse/excelExternalWindow/96402AA2E5CEE47886257DAC00537B9A.0001): Separator, Planet Bearing · Turbo Technologies LLC · PMA PQ2318NM · Replaces 68943131, 23056998 · Oct 5, 2014
- [6849342P](https://drs.faa.gov/browse/excelExternalWindow/DA0FE54CCF1FE08186257D40006A6302.0001): Nut, Spanner-Rear Carrier Bearing · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6849342 · Aug 17, 2014
- [6824043TT](https://drs.faa.gov/browse/excelExternalWindow/774A7DB5302D058B86257D3A005DF380.0001): Gear, Spur, Tachometer & Oil Pump Drive · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824043 · Aug 10, 2014
- [NSL870 B1/2](https://drs.faa.gov/browse/excelExternalWindow/D02AEBC7008B811686257D19004F9761.0001): Sealant · Dedicated Packaging, LLC · PMA PQ4210CE · Replaces PRC-DeSoto Sealant Pro Seal 870 B1/2 · Jul 15, 2014
- [NSL870 B2](https://drs.faa.gov/browse/excelExternalWindow/79754D781B68555386257D19004F9769.0001): Sealant · Dedicated Packaging, LLC · PMA PQ4210CE · Replaces PRC-DeSoto Sealant Pro Seal 870 B2 · Jul 15, 2014
- [NSL1428-B1/2](https://drs.faa.gov/browse/excelExternalWindow/F7183CB2BC43F62F86257D1000653FD7.0001): Sealant · Dedicated Packaging, LLC · PMA PQ4210CE · Replaces PRC-DeSoto Sealant PR-1428-B1/2 · Jun 30, 2014
- [NSL1428-B2](https://drs.faa.gov/browse/excelExternalWindow/36A26347DBF38ABB86257D1000653FD8.0001): Sealant · Dedicated Packaging, LLC · PMA PQ4210CE · Replaces PRC-DeSoto Sealant PR-1428-B2 · Jun 30, 2014
- [6829396TT](https://drs.faa.gov/browse/excelExternalWindow/FF90323C29BB242A86257DAC0052FCC2.0001): Gear, Spur - Main Accessory Drive · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6829396 · Jun 9, 2014
- [6824044TT](https://drs.faa.gov/browse/excelExternalWindow/AFDCE439D8A48DFC86257DAC005284DA.0001): Gear, Spur, Pump Drive Idler · Turbo Technologies LLC · PMA PQ2318NM · Replaces 6824044 · Jun 9, 2014
- [6849342P](https://drs.faa.gov/browse/excelExternalWindow/BAEEAA8A18C6416386257CF30065A2C7.0001): Nut, Spanner-Rear Carrier Bearing · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6784548P · May 29, 2014
- [6787465P](https://drs.faa.gov/browse/excelExternalWindow/DAC8638F42387F4F86257B8700714E3E.0001): Bracket - Compr Pressure Oil Tube · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6787465 · May 20, 2013
- [6787375P](https://drs.faa.gov/browse/excelExternalWindow/C673303E38CDAC1386257B8700714E3B.0001): Dowel -.25 x.69 Long Shouldered (& Oversizes · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6787375 · May 20, 2013
- [6788445P](https://drs.faa.gov/browse/excelExternalWindow/5514E49CF8A25F1186257B8700714E48.0001): Adapter - Pressure Line Air Bleed · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6788445 · May 20, 2013
- [6788646P](https://drs.faa.gov/browse/excelExternalWindow/1DCF9BE6585897A086257B8700714E4A.0001): Ring - Exhaust Duct Seal · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 6788646 · May 20, 2013
- [23056961P](https://drs.faa.gov/browse/excelExternalWindow/03AB73C6134A94C786257AF40056BB30.0001): Pin, Reduction Gear Eyebolt · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23056961 · Jan 7, 2013
- [23008169P](https://drs.faa.gov/browse/excelExternalWindow/315382F7464DD6CF86257AF40056BB2A.0001): Seal Assy, Labyrinth - Front Compressor · Pacific Sky Supply Inc · PMA PQ1255NM · Replaces 23008169 · Jan 1, 2013

Next page: https://openairdocs.org/engine/allison-501-d22c/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 ('E-282')
  AND len(list_intersect(tcds_models, ['501-D22C'])) > 0
ORDER BY supplement_date DESC, drs_guid DESC
```

This list as a web page: https://openairdocs.org/engine/allison-501-d22c/pma

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