AVIATION INTERNATIONAL CONNECTIONS

Hartzell Engine Tech Overhauled Alternator Kits

Overview
We carry the full line of alternators. Refer to the description for the correct Alternator Overhaul Kit.

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Estimated delivery dates: Oct 7, 2026 – Oct 9, 2026

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Description

12/14 volt, 50 amp, internally regulated alternator with built-in Over-Voltage protection for use in EXPERIMENTAL Aircraft with small block Continental Engines. Includes Pre-Wired Enable Plug and Gaskets.

Features:

  • For small block Continental engines
  • Internal voltage regualtor
  • Exclusive built-In crowbar over-voltage protection
  • Fully pilot controllable through internal wiring
  • Dual internal fans designed for aircraft engine rotation for maximum cooling
  • Fits** C75, C85, C90, C125, C145, E165, E185, E225, IO-240, O-200, and O-300 applications (**with accessory case drive gear)
  • Pre-wired enable/field plug included

Note:
Overall Diamter: 4.4″
Overall Length: 6″

Use your existing drive gear and coupling.

New gear and coupling also available separately. Warranty: 2-Year Limited Weight: 6.8 Pounds
PN 07-01268

Additional information

Q & A

Q: Could you provide me with a list of what parts are included in the Kit 90-3058? This will include: Drive End Bearing, qty:1 Woodruff Key, qty:1 Capacitor, qty:1 Brush Kit, qty:1 Field Terminal Stud, qty:1 Field Insulator Inner, qty:1 Nut and Washer Assembly-Battery, qty:1 Thru Bolt, qty:4 Nut and Washer Assembly-Ground/Field, qty:1 Slip Ring End Bearing, qty:1

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