| 550-1 | Baffle, Alternator | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-1-1 | Angle Bracket | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-1-ASSY | Baffle, Alternator Assembly | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-10-Assy | Baffle Assy, Oil Cooler | Aviation Products Systems Inc | — | 79 | Engine Accessories | PMA |
| 550-12 | Leg, Cylinder Rail Attach | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-13 | Rail | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-13-Assy | Rail Assy, Cylinder | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-14-Assy | Rail Assy, Cylinder | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-15 | Brace, Rear | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-16 | Baffle, Rear Large | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-16-1 | Bracket | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-16-2 | Stiffener | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-16-Assy | Baffle Assy, Rear Large | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-19-2 | Baffle, Z Bracket | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-19-3 | Baffle, U Bracket | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-19-Assy | Baffle Assy, Rear Small | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-2 | Baffle, Stiffener | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-3 | Baffle, No5 Cyl Attach | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-4 | Baffle, No. 5 Cyl Fin Attach | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-5 | Baffle, No. 5 Cyl Lower Attach | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-7 | Door, Governor | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| 550-8-Assy | Baffle Assy, No. 1 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-11935 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-34RTFRT | Cowl Hinge | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-453126 | Wing Tip Bow | Aviation Products Systems Inc | | 57 | Structural / Airframe | PMA |
| APS-5534 | Throttle Cable Mount | Aviation Products Systems Inc | — | 76 | Engine Accessories | PMA |
| APS-5534-4 | End Plate | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-5535 | Alternate Air Door Assy | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-5535-1 | Top Flange | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-5535-2 | Middle Plate | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-5535-3 | Half Circle | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-633730 | Flange - Intake Manifold Tube | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646198 | Tube - Intake Manifold # 1 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646199 | Tube - Intake Manifold # 2 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646204 | Tube - Intake Manifold # 3 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646205 | Tube - Intake Manifold # 4 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646206 | Tube - Intake Manifold # 5 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646207 | Tube - Intake Manifold # 6 Cyl | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646440 | Manifold Assy - Induction | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-646440C | Casting -Manifold | Aviation Products Systems Inc | — | 71 | Powerplant / Nacelle | PMA |
| APS-68759 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-68760 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-68761 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-71737 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-72702 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-72703 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-73027 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-74808 | Oil Drain Back Tube Assembly | Aviation Products Systems Inc | — | 79 | Consumables / Hardware | PMA |
| APS-GY16A16 | Rivet | Aviation Products Systems Inc | — | 20 | Consumables / Hardware | PMA |
| APS-GY16B16 | Rivet | Aviation Products Systems Inc | | 20 | Consumables / Hardware | PMA |