1. Other Aviation Parts Accessories For Sale
  2. sku: 14513152221216682
  3. PIPER ALU-8521

PIPER ALU-8521 Aircraft Alternator

fits make: Piper.

Alu-8521 Piper Aircraft Alternator

( Manufacturer Part Number: ALU-8521 ), ( Part Type: Alternator ), ( Compatible Make: Lycoming ), ( Compatible Model: Pa23-250f ), ( Country/region Of Manufacture: United States )

Review PIPER Aircraft Alternator

The Piper Alu-8521 aircraft alternator is a crucial component of the electrical system in various Piper aircraft models, including the Arrow, Seneca, and Mirage. This alternator is designed to provide reliable and efficient power generation for the aircraft's electrical systems while in flight.

The alternator housing is made of aluminum, making it lightweight yet robust, contributing to the overall weight reduction of the aircraft. It has a capacity of 28 volts and can generate up to 120 amperes of electrical current, ensuring that all the aircraft's electrical demands are met during operation.

The alternator features a brushless design, which eliminates the need for regular brush maintenance, reducing downtime and maintenance costs. The brushes in conventional alternators can wear out over time and require replacement, leading to inconvenient and costly maintenance.

The alternator also includes an automatic voltage regulator (AVR), which maintains a consistent output voltage, preventing damage to the aircraft's electrical components due to voltage fluctuations. The AVR is calibrated to maintain a regulated output voltage, even in varying engine RPM conditions.

The Piper Alu-8521 aircraft alternator is designed with a modular construction, making it easier to replace if needed. The various components are interchangeable, making the repair process more efficient and cost-effective. Additionally, the alternator comes with a comprehensive warranty, ensuring peace of mind for aircraft owners and operators.

In summary, the Piper Alu-8521 aircraft alternator is a high-performance, lightweight, and reliable component of the electrical system in various Piper aircraft models. Its brushless design eliminates the need for regular brush maintenance, and its modular construction simplifies the repair process. With its capacity to generate up to 120 amperes of electrical current and a comprehensive warranty, this alternator is an essential investment for any Piper aircraft owner or operator.

Piper Alu-8521 Aircraft Alternator: A Comprehensive Analysis

The Piper Alu-8521 aircraft alternator is a critical component in the electrical system of Piper aircraft. This analysis aims to provide a balanced perspective on the advantages and disadvantages of purchasing this alternator for your Piper aircraft.

Advantages:

1. High-quality construction: The Piper Alu-8521 alternator is made of aluminum alloy, ensuring durability and lightweight design, which is essential for aircraft components.

2. Improved performance: This alternator provides increased power output, enabling better electrical system efficiency and enabling additional electrical loads, such as avionics or heating systems.

3. Long service life: The alternator's robust design and high-quality materials contribute to its extended service life, reducing the frequency of replacement needs.

Disadvantages:

1. Cost: The Piper Alu-8521 alternator is a premium product, and its price point may be higher than some alternative options.

2. Complex installation: The alternator's replacement process can be complex and time-consuming, requiring specialized tools and a good understanding of the aircraft electrical system.

3. Availability: Due to its popularity among Piper aircraft owners, the demand for this alternator may outstrip supply, leading to potential lead times for ordering and installation.

Conclusion:

The Piper Alu-8521 aircraft alternator offers several advantages, including high-quality construction, improved performance, and a long service life. However, it comes with some disadvantages, including a higher cost, complex installation, and potential availability issues.

Recommendation:

If you are a Piper aircraft owner looking for a reliable and high-performing alternator, the Piper Alu-8521 may be an excellent option for you, despite its higher cost and installation complexity. However, if you are budget-conscious or prefer a more straightforward installation process, you may want to explore alternative options. Ultimately, the decision depends on your specific needs, budget, and expertise. Consult with a certified aviation technician or your aircraft manufacturer for further guidance.

Details:

Manufactured in the USA, this alternator has a Manufacturer Part Number of ALU-8521 LS, and does not come with warranty. With a focus on reliability and performance, this alternator is crucial component for maintaining the proper functioning of your aircraft's electrical system. The Aircraft Alternator is a high-quality replacement part designed specifically for Piper Aircraft, compatible with Lycoming engines and the PA23-250F model.

part #: alu8521 prices

  • $225.00-$420.00

specifications aviationpar:

  • for makes: Piper
  • mpn: Alu-8521
  • part type: Alternator
  • compatible make: Lycoming
  • compatible model: Pa23-250f
  • country/region of manufacture: United States

shipping aviationpar:

  • type: Fixed
  • cost: $104.09
  • service: USPS Ground Advantage
  • carrier: USPS
  • class: Standard
  • transit: 4-10 Days

payments aviationpar:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

general aviationpar:

  • Parts Accessories > Aviation Parts Accessories > Parts
  • condition: Remanufactured

returns aviationpar:

  • policy: No Returns

seller aviationpar:

  • rating: 0.0%
  • # reviews: 5
  • city: Vacaville, California

offer aviationpar:

  • quantity: 1
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • started: June 2, 2025
  • sold: 0
for makes: piper, part type: alternator, compatible make: lycoming, compatible model: pa23-250f, country/region of manufacture: united states,
category: auto parts > aviation parts accessories > parts, sku: 14513152221216682,
Piper ALU-8521 Is Similar To:
  • (51.2% similar) Polarity light warns if clamps are connected incorrectly, preventing electrical system damage and personal injury. Long, twin extruded to help prevent tangling, and room temperature flexible at 40 degrees below zero. Copper, 15 ft. Cable is heavy duty, 4 GA. Jumper cable with special piper single-...(February 24th, 2017)
  • (39.5% similar) Fairing assembly - nose wheel fiberglass shell main wheel, outboard, left 43SHELL right access inboard, 45ACCESS navy blue, gold and white...(February 1st, 2019)
  • (45.5% similar) New listings added weekly and usually daily. Any is for the sole purpose of identifying an item. Airworthiness is only determined by the FAA approved mechanic or FAA certified repair station. Big props aviation your source for aircraft parts. Your source for aircraft parts...(March 7th, 2015)
  • (43.6% similar) It is tagged ar. Otherwise, only the information listed on item itself is carried over to. Since we rarely find issues with our equipment, problems are handled on an issue-to-issue basis. Shipping delivery standard is our default method. This unit is in good cosmetic condition. Sag def E9-...(September 24th, 2018)
  • (37.2% similar) This is an older item, there may be dust or other imperfections due to age and use. We photographed it as found. Free shipping USA only. View all photos, ask questions, what you see is get. This came from an air ambulance company lot out of hot springs, ar. We since put zip ties in the holes for ...(September 17th, 2018)
  • (56.3% similar) Up for sale is: 2 piper aircraft axles P/N 002SALE both. Your source for aircraft parts. Big props aviation - your source for aircraft parts. Any is for the sole purpose of identifying an item. New listings added weekly and usually daily. Could be old new stock or used, great condition lots of ...(March 18th, 2017)
  • (39.5% similar) Dark red, white and silver - new paint 5 items included: fairing assembly nose WHEEL65203-02 main wheel, LEFT65203-03 RIGHTKNOTS4U LG left gear fairing knots 4u RF right...(February 14th, 2019)
  • (47.4% similar) I try my best to ship items same day if its paid for before 12PM, other wise it will the next. Shipping cost. I try my best to ship the cheapest method for buyer. I apologize if missed something in my listing. Yes I will combine shipping. The item has been inspected and described to best of my ...(December 27th, 2016)
  • (50% similar) Shipping cost. I try my best to ship the cheapest method for buyer. Yes I will combine shipping. I apologize if missed something in my listing. I try my best to ship items same day if its paid for before 12PM, other wise it will the next. The item has been inspected and described to best of my ...(May 17th, 2017)
  • (52.1% similar) Includes 3-RING binder. Like new condition. Factory parts catalog for all piper Cherokee pa warrior and ii iii...(December 19th, 2016)
  • (52.3% similar) Your source for aircraft parts. Up for sale is: 1 piper aircraft screen P/N new nice condition qualifies combined shipping ships quick. Airworthiness is only determined by the FAA approved mechanic or certified repair station. New listings added weekly and usually daily. Big props aviation - your ...(March 26th, 2017)
aviationpar logo
4 offers $225.00–$420.00 USD
  • Used. Offer #1 priced at $420.00 + $10.00 shipping estimate = $430.00* total. 44581-006 Piper PA31-350 Cargo Door Structure. 53277-012 Piper PA31-350 Passenger Seat Assembly Aft Facing LH (Rails: 11?).+$10.00 shipping
  • For parts or not working. Offer #2 priced at $225.00 + $55.00 shipping estimate = $280.00* total. Hartzell Alternator - Core.+$55.00 shipping
  • Used. Offer #3 priced at $395.00 + $55.00 shipping estimate = $450.00* total. Lot ID: YYK L. Hartzell Alternator.+$55.00 shipping
  • Used. Offer #4 priced at $1000.00 + $20.98 shipping estimate = $1020.98* total. Comes with pulley and attach hardware. Removed from a Piper Malibu after a incident that totaled the aircraft.+$20.98 shipping

Copyright © aviationpar.com