SUPERIOR 17C21191 KEY
Part #: MS13997-3
MS139973
$5.66
Alternate PNs
- PN: 17C21191 - View
Overview
| Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temperatures and pressures.
Exhaust and intake ports are volumetrically matched to maximum output and performance. Increased port wall thickness – eliminates problems with warping and cracking. Computer-generated head fin configuration – deliver more uniform heat transfer and fewer “hot” spots. Manufactured from the most advanced alloys available – exceed industry standard for strength and porosity. + Included with stud assembly. |
Alternate Part Numbers
Part number MS13997-3 has 1 known alternate, superseded or replacement part number. Search any of them, or call, text or WhatsApp +1 (954) 493-5088 for availability.
| Part Number | Manufacturer | Relationship | Notes |
|---|---|---|---|
| AEL21191 | Continental | PMA Replacement | FAA-PMA eligibility: Lycoming O-320-no suffix, A1A, A1B, A2A, A2B, A2C, A3A, A3B, A3C, B1A, B1B, B2A, B2B, B2C, B2D, B2E, B3A, B3B, B3C, C1A, C1B, C2A, C2B, C2C, C3A, C3B, C3C, D1A, D1B, D1C, D1D, D1F, D2A, D2B … (see FAA record); basis: test and computations; |
Alternate and superseded part numbers are listed for reference from FAA PMA data, manufacturer cross-references and illustrated parts catalogs. Always confirm eligibility for your aircraft, engine and serial number before installation.
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