| 5VB00001 - HARTZELL PROPELLER - HM-5V1-B1000-A/108MH92 | ottosenprop.com | 414776 USD | — | — |
| A6A00015 - HARTZELL PROPELLER - HC-A6A-3/A10460K/D-5311-1 | ottosenprop.com | 392540.2 USD | — | — |
| B5A10034 - HARTZELL PROPELLER - HC-B5MA-3DT/M11691NS/BULKHEAD | ottosenprop.com | 218420 USD | — | — |
| E5N00716SKD - HARTZELL PROPELLER - HC-E5N-5KL/JNC10905B*1/108344P | ottosenprop.com | 154425 USD | — | — |
| E5N00716S - HARTZELL PROPELLER - HC-E5N-5KL/JNC10905B*1/108344P | ottosenprop.com | 154425 USD | — | — |
| B5A10225S - HARTZELL PROPELLER - HC-B5MA-5H/M11693NS/E-5760-P | ottosenprop.com | 152585 USD | — | — |
| B5A10225SKD - HARTZELL PROPELLER - HC-B5MA-5H/M11693NS/E-5760-P | ottosenprop.com | 152525 USD | — | — |
| E5N00714S - HARTZELL PROPELLER - HC-E5N-5KL/JNC10905B*1/SPINNER | ottosenprop.com | 138500 USD | — | — |
| E5N00714SKD - HARTZELL PROPELLER - HC-E5N-5KL/JNC10905B*1/SPINNER | ottosenprop.com | 138500 USD | — | — |
| 5DN01125S - HARTZELL PROPELLER - 5D31-NK366B1/86DB01B/108167P | ottosenprop.com | 129323.25 USD | — | — |
| 5DN01125SKD - HARTZELL PROPELLER - 5D31-NK366B1/86DB01B/108167P | ottosenprop.com | 129323.25 USD | — | — |
| Hartzell STC Pilatus PC-12/47E With Electronic Propeller/Engine Control System (5-Blade Composite) | ottosenprop.com | 126662 USD | — | — |
| Hartzell STC Cessna 441 Conquest II With TPE331-8,-10N Engine (4-Blade) | ottosenprop.com | 122479 USD | — | — |
| B3F10091S - HARTZELL PROPELLER - HC-B3TF-7A/T9212NK-2*1/835-39EP | ottosenprop.com | 110480 USD | — | — |
| B4N10057 - HARTZELL PROPELLER - HC-B4TN-3A/T10173FNK-10.5/DEICE | ottosenprop.com | 108130 USD | — | — |
| B4N10097 - HARTZELL PROPELLER - HC-B4TN-3B/T10173FNB-10.5/DE-ICE | ottosenprop.com | 105610 USD | — | — |
| A-5656 - HARTZELL HIGH PRESSURE PUMP | ottosenprop.com | 102705 USD | — | — |
| B5A10247 - HARTZELL PROPELLER - HC-B5MA-3D/M11691NS | ottosenprop.com | 101320 USD | — | — |
| B5P10311 - HARTZELL PROPELLER - HC-B5MP-3F/M11276NS | ottosenprop.com | 101320 USD | — | — |
| B5A10032 - HARTZELL PROPELLER - HC-B5MA-3D/M11276N/D-5498-P | ottosenprop.com | 99850 USD | — | — |
| B5A10032KD - HARTZELL PROPELLER - HC-B5MA-3D/M11276N/D-5498-P | ottosenprop.com | 99850 USD | — | — |
| B4N10975 - HARTZELL PROPELLER - HC-B4TN-5ML/LT10574FNS | ottosenprop.com | 99010 USD | — | — |
| D4N00148 - HARTZELL PROPELLER - HC-D4N-3C/D9290K/BULKHEAD/DE-ICE | ottosenprop.com | 97185 USD | — | — |
| Hartzell STC Cessna 441 Conquest II With TPE331-8,-10N Engine (4-Blade) | ottosenprop.com | 96576.1 USD | — | — |
| E4N00170S - HARTZELL PROPELLER - HC-E4N-3P/D9900/D-630-3P | ottosenprop.com | 94590 USD | — | — |
| B3N10035S - HARTZELL PROPELLER - HC-B3TN-2/T10173CNK-8/D-5203-P | ottosenprop.com | 94120 USD | — | — |
| B3N10035SKD - HARTZELL PROPELLER - HC-B3TN-2/T10173CNK-8/D-5203-P | ottosenprop.com | 94120 USD | — | — |
| B3N10035 - HARTZELL PROPELLER - HC-B3TN-2/T10173CNK-8/BULKHEAD/DE-ICE | ottosenprop.com | 91580 USD | — | — |
| Hartzell STC De Havilland Canada / Viking Air DHC-6-300,-400 Twin Otter with PT6A-27,-34 Engine (3-Blade) | ottosenprop.com | 89155.93 USD | — | — |
| E4A00132 - HARTZELL HC-E4A-3J/E10950PCB/BULKHEAD/DE-ICE | ottosenprop.com | 87500 USD | — | — |
| E4A00133 - HARTZELL HC-E4A-3J/E10950PCK/BULK/DEICE | ottosenprop.com | 87500 USD | — | — |
| B3310029KD - HARTZELL PROPELLER - HC-B3R30-2EA/R10152N-5.5 | ottosenprop.com | 83385 USD | — | — |
| B3N10460S - HARTZELL PROPELLER - HC-B3TN-3D/T10282NS+4/C-3065-1P | ottosenprop.com | 83290 USD | — | — |
| B3N10510S - HARTZELL PROPELLER - HC-B3TN-3D/T10282N-4R/C-3065-P | ottosenprop.com | 82335 USD | — | — |
| B3N10188S - HARTZELL PROPELLER - HC-B3TN-3B/T10282N-4R/C-3065-P | ottosenprop.com | 82020 USD | — | — |
| B3N10454 - HARTZELL PROPELLER - HC-B3TN-3D/T10282NS+4/BULKHEAD | ottosenprop.com | 81370 USD | — | — |
| B3N10441S - HARTZELL PROPELLER - HC-B3TN-3D/T10282N/C-3065 | ottosenprop.com | 80075 USD | — | — |
| B3N10455 - HARTZELL PROPELLER - HC-B3TN-3D/T10282NS+4/BULKHEAD | ottosenprop.com | 79100 USD | — | — |
| B3N10439 - HARTZELL PROPELLER - HC-B3TN-3D/T10282N/BULKHEAD | ottosenprop.com | 78755 USD | — | — |
| B3N10437 - HARTZELL PROPELLER - HC-B3TN-3D/T10282N/BULKHEAD | ottosenprop.com | 78755 USD | — | — |