OEM Factory New Aircraft Alternators - Proven, Tested, & Trusted

Hartzell Engine Technologies offers new and factory overhauled aircraft alternators. As the OEM,
and the largest aviation alternator overhaul-repair facility in the world, our aircraft alternators have been powering Lycoming-Continental engines for decades. Our new lightweight, compact, alternators are designed specifically to meet the challenges and increased demands of today's aircraft electrical systems. Each unti is developed for aviation. No borrowed automotive parts were used. Read more about these important differences between automotive vs. aircraft alternators in the side column.

Factory Overhaul Service:
Hartzell Engine Technologies also provides overhaul/exchange service on nearly the entire range of Ford, Prestolite, & Chrysler style aircraft alternators. Please review our Price List for complete listings/core charges/warranty information.To help understand the Hartzell Part Numbering Systems see our Alternator Product Information.

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AL Series Aircraft Alternator

Prestolite Style - FAA/PMA Approved

View our: Alternator Application Charts

Find A Local Distributor

VOLTS/AMPS	DESCRIPTION	PART NUMBER
24V/50A	Belt Driven	ALT8520, ALT8521, ALT8521 LS
24V/50A	Gear Driven	ALT9522
24V/70A	BD	ALU6521 LS
24V/70A	BD	ALU8521, ALU8521 LS
12V/70A	BD	ALX8521, ALX8521 LS
12V/70A	GD	ALX9524, ALX9525 B
12V/60A	BD	ALY6522, ALY6527, ALY8520, ALY8520 LS

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ALU-8532 LS Aircraft Alternator

Prestolite Style - FAA/PMA Approved

View our: Alternator Application Charts

Find A Local Distributor

VOLTS/AMPS	DESCRIPTION	PART NUMBER
28V/75A	Belt Driven, Lycoming 32C21997	ALU8532 LS

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ALV-9610 & ES10024 Aircraft Alternator

Crittenden Style - FAA/PMA Approved

• Up to 9.6 lbs. Weight Savings (per engine)
• OEM Direct Replacement
• More Power at engine cruise
• Built in Noise Cancellation
• Rugged Design for Extreme Conditions
• More Economical than overhauled units
• Two year warranty

Lighter, Tougher and Proven:
The New ALV-9610 alternator is a direct replacement for your gear driven heavyweight alternators on Continental (formerly TCM) 520 & 550 engines. Weighing under 13 lbs., the smaller, lighter, more durable ALV-9610 makes your aircraft alternator replacement decision simple. It's obvious, size does matter.

ALV-9610 aircraft alternators are available immediately and, like all Hartzell Engine Technologies products, can be purchased through our worldwide distributor network.  Click Here to to find your nearest Hartzell Engine Technologies distributor.

VOLTS/AMPS	DESCRIPTION	PART NUMBER
28V/100A	Gear Driven, TCM 646491, 649304	ALV9610, ES10024

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ES4000 Series Aircraft Alternator

Ford Style - FAA/PMA Approved

View our: Alternator Application Charts

Find A Local Distributor

VOLTS/AMPS	DESCRIPTION	PART NUMBER
15V/60A	Belt Driven, Cessna C611501-0102, C611501-0204, TCM 633661	ES4000, ES4000 LS
15V/60A	Gear Driven, Cessna C611502-0203, TCM 633962	ES4001
15V/80A	GD, TCM 649281	ES4002
15V/95A	BD, GD	ES4003, ES4003 LS
28V/38A	GD, Cessna C611502-0203, TCM 633962	ES4004
28V/60A	BD	ES4005, ES4005 LS, ES4007
28V/60A	GD, TCM 634442	ES4006
28V/70A	GD, TCM 649280	ES4008
28V/70A	BD, TCM 649283	ES4009, ES4009 LS

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ES4020 Series Aircraft Alternator

Chrysler Style - FAA/PMA Approved

View our: Alternator Application Charts

Find A Local Distributor

VOLTS/AMPS	DESCRIPTION	PART NUMBER
14V/60A	Belt Driven	ES4020
28V/70A	Gear Driven, TCM 653344	ES4029

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Lightweight Aircraft Alternators

For use in experimental markets

• All aircraft quality parts -
  no automotive parts!
• High altitude brushes
• Weight 7 lbs.
• High speed bearings
• High temperature varnish on rotor and stator
• No modifications necessary for
  Retro-fit into any existing Ford style applications.

VOLTS/AMPS	DESCRIPTION	PART NUMBER
14V/60A	Belt Driven	ES6012
28V/60A	BD	ES6024
28V/70A	BD	ES7024

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