HARTZELL 657199H Secondary Alternator Tsio 24V 550K

( Brand: Hartzell ), ( Manufacturer Part Number: 657199H ), ( Part Type: 24v Alternator )

Review HARTZELL Secondary Alternator 24v From Tsio 550k fits CONTINENTAL

The Hartzell 657199H secondary alternator is a critical component for powering electrical systems in Continental TSIO-550-K engines used in various aircraft applications. This alternator is designed to supplement the primary power source, ensuring that all electrical requirements are met during flight.

The alternator is engineered to deliver a reliable 24-volt output, making it suitable for a wide range of aircraft electrical systems. It is specifically designed for use with Continental TSIO-550-K engines, ensuring optimal performance and compatibility.

The alternator housing is constructed from high-strength materials, providing robust protection for the internal components. The alternator rotor and stator windings are designed using advanced engineering techniques to deliver efficient power conversion and long-lasting durability.

The Hartzell 657199H secondary alternator features a compact design, making it easy to install and integrate into existing aircraft electrical systems. The alternator also includes essential safety features, such as overvoltage and overcurrent protection, ensuring that the electrical system remains stable and safe during operation.

The alternator is built to meet the rigorous demands of aircraft applications, with a focus on reliability, durability, and efficiency. Each alternator undergoes rigorous testing and quality control inspections to ensure that it meets the highest standards and performs consistently over time.

In summary, the Hartzell 657199H secondary alternator is an essential component for powering electrical systems in Continental TSIO-550-K engines. Its reliable 24-volt output, robust construction, and advanced engineering make it a trusted choice for aircraft operators looking for high-performance and long-lasting electrical power solutions.

The Hartzell 657199H secondary alternator is designed for use with the Continental TSIO-550-K series engines, which are commonly found in general aviation aircraft. Here are some potential pros and cons of buying this alternator:

1. Designed specifically for the TSIO-550-K series engines, ensuring a precise fit and optimal performance.

2. Provides an additional 24V electrical output, which can be useful for powering accessories or charging batteries in the aircraft.

3. Made by Hartzell, a well-known and reputable manufacturer in the aviation industry.

4. Meets or exceeds SAE and FAA specifications for alternator performance.

5. Relatively compact size, which can help save weight and space in the aircraft.

1. Can be more expensive than some aftermarket alternators or OEM alternatives.

2. Requires specialized knowledge and tools for installation, which may add to the cost and time of the project.

3. May not be compatible with other engine models or aircraft electrical systems.

4. Depending on the specific aircraft and electrical system, the additional 24V output may not be necessary or useful.

The Hartzell 657199H secondary alternator is a high-quality, well-designed component that is specifically tailored to the TSIO-550-K series engines. It offers several advantages, such as increased electrical output and the reliability of a reputable manufacturer. However, it also comes with some drawbacks, including a higher price point and the need for specialized knowledge and tools for installation.

If you are in the market for a new alternator for your TSIO-550-K series engine aircraft and are in need of an additional 24V electrical output, then the Hartzell 657199H secondary alternator is a solid choice. However, if you are on a tight budget or do not need the additional electrical output, there may be other, more cost-effective options available. It is always a good idea to consult with a qualified aviation technician or mechanic to help determine the best alternator for your specific aircraft and electrical system requirements.

Details:

Turned out to be the result of a bad ground wire and had nothing do with Alt. Alternator is fully functional. If you re looking for a low hour replacement alt look no further. Hartzell pn: 657199H secondary alternator with approx 200h of use.

Removed from a Cirrus SR-22T. I removed it troubleshooting a noise I was hearing over the headsets.

part #: 657199h prices

• $425.00-$476.00

specifications aviationpar:

• for models: Continental
• brand: Hartzell
• mpn: 657199h
• part type: 24v Alternator

payments aviationpar:

• money order
• credit card: Discover
• other
• wallet: Google-pay

offer aviationpar:

• started: May 30, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True

shipping aviationpar:

• class: Standard
• cost: $83.15
• carrier: USPS
• service: USPS Ground Advantage
• transit: 6-13 Days
• type: Calculated

seller aviationpar:

• rating: 100.0%
• # reviews: 170
• city: Venice, California

general aviationpar:

• condition: Used
• Parts Accessories > Aviation Parts Accessories > Parts

returns aviationpar:

• policy: No Returns

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