ALTERNATOR (SEE ALX-8521 (P/N alx8421ls) - Serviceable
P/N: alx8421ls
Category: Alternators & Generators
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| Serviceable | 1 Available |
Product Description
The ALX-8421LS is an aircraft alternator for engine-driven electrical power generation and battery charging on Lycoming-powered aircraft. This FAA-PMA approved unit mounts to the engine accessory drive and supplies DC bus power for avionics, lighting, and aircraft systems during flight. Superseded by the ALX-8521LS, this alternator remains serviceable for eligible installations.
Installation follows aircraft maintenance manual procedures and FAA AC 43.13-1B guidance, with eligibility verification required through the applicable Illustrated Parts Catalog.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the ALTERNATOR (SEE ALX-8521 (P/N alx8421ls)?
The ALX-8421LS is an aircraft alternator for engine-driven electrical power generation and battery charging on Lycoming-powered aircraft. This FAA-PMA approved unit mounts to the engine accessory drive and supplies DC bus power for avionics, lighting, and aircraft systems during flight.
What certifications or documentation come with the alx8421ls?
Depending on condition, the alx8421ls may include an FAA 8130-3 Airworthiness Approval Tag, a yellow serviceable tag, or manufacturer documentation. Currently available in: Serviceable. Contact us for specific documentation details on the condition you need.
Can I use the alx8421ls during an engine overhaul or annual inspection?
Yes, the ALTERNATOR (SEE ALX-8521 can be used in engine overhauls and maintenance events. Always verify part compatibility against your engine's Type Certificate Data Sheet (TCDS) and Illustrated Parts Catalog (IPC) before installation.
What is the lead time for the alx8421ls?
In-stock items ship same business day when ordered before 3 PM EST. We also offer 24/7 AOG (Aircraft on Ground) support at (904) 998-9101 for urgent engine part needs.
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