FAA-PMA approved for Continental and Lycoming engines
These are the good ones!
Save money and get an enhanced product with McFarlane Stainless Steel Exhaust Nuts and Studs! A heat-treated, high-strength stainless alloy improvement, these studs are nitrocarburized Black Max™ coated for additional corrosion protection and resistance to galling.The studs are tap-end studs that come in various oversized options for use on Continental and Lycoming engines.
See all of our Exhaust Nuts and Studs here
OEM Part Number | McFarlane Part Number | Comment |
657985-1.38 | MC657985-1.38P007 | |
657985-1.38P007 | MC657985-1.38P007 |
Make | Series | Model | Beginning S/N | Ending S/N | Quantity Per Aircraft | Location | Eligibility Chart |
Continental | 470 | IO-470-VO | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 470 | O-470-G-CI | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 470 | O-470-U | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | GTSIO-520-C | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | GTSIO-520-D | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | GTSIO-520-H | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | GTSIO-520-L | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | GTSIO-520-M | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | GTSIO-520-N | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-A | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-B | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-BA | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-BB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-C | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-CB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-D | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-E | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-F | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-J | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-K | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-L | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-M | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | IO-520-MB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-AF | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-BB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-BE | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-BE | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-CE | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-DB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-EB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-JB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-KB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-L | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-LB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-M | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-N | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-NB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-T | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-UB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-VB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 520 | TSIO-520-WB | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-A | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-C | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-D | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-E | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-F | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-G | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-L | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-N | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-P | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IO-550-R | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IOF-550-N | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IOF-550-P | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | IOF-550-R | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-A | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-B | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-C | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-E | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-G | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-J | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-K | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIO-550-N | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIOF-550-D | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIOF-550-J | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIOF-550-K | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIOF-550-P | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIOL-550-A | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
Continental | 550 | TSIOL-550-C | 0 | ZZZZZZZZZZZZZZZ | 24 | ENGINE | 7601 |
McFarlane Aviation, Inc. PMA Supplement 169 |
ELIGIBILITY DRAWING: Engine Studs & Nuts |