DESCRIPTION |
FEATURES |
SPECIFICATIONS |
DOCUMENTS |
VIDEO |
ASK A QUESTION
DESCRIPTION
The **ALU‑8521‑21** is a high-quality **24 V/70 A belt-driven alternator**, FAA‑PMA certified and designed as a direct replacement for legacy Prestolite-style units.
Factory-overhauled with new bearings, diodes, brushes, and housing, it delivers reliable power for avionics, lighting, radios, and auxiliary systems.
*Images are representative and may not show the exact product for sale.*
---
## Applications
- Fixed-wing general aviation aircraft requiring **24 V/70 A** alternator output
- Direct replacement for ALU‑8421 and equivalent legacy units
- Compatible with Lycoming IO‑360/O‑360 series engines
- Ideal for routine maintenance, retrofits, and AOG support
---
## Why CJ Aerospace?
CJ Aerospace provides trusted alternator solutions for Australian operators:
- 🇦🇺 **Australian‑owned & locally stocked**
- 📦 **Fast same-day shipping on stocked items**
- 🔧 **Expert technical support for fitment & compliance**
- ✈️ **Trusted by MROs, fleets, and avionics specialists**
> ✉️ Contact us at sales@cjaerospace.com.au
> Need pricing, core exchange options or fitment advice? Our team is here to help.
FEATURES
- 24 V / 70 A belt-drive output
- FAA‑PMA certified for direct replacement
- Rebuilt to OEM-grade specifications—quiet and reliable
- Durable construction for demanding electrical systems
- Plug-and-play replacement—no modifications required
SPECIFICATIONS
Package Dimensions
| Length | cm |
| Height | cm |
| Width | cm |
| Weight | |
Details
| Specification | Details |
|-------------------|---------------------------------|
| **Part Number** | ALU‑8521‑21 |
| **Output** | 24 V DC / 70 A |
| **Drive Type** | Belt-drive |
| **Certification** | FAA‑PMA |
| **Replaces** | ALU‑8421 and equivalent units |
| **Condition** | Factory-overhauled |
| **Core Charge** | Refundable (exchange available) |
Let me know if you need this tailored for a webpage, flyer, or PDF!
BROCHURES & DOCUMENTATIONS
List of Brochures
List of Documentation
ALTERNATOR & STARTER APPLICATION DATA FOR REFERENCE ONLY
VIDEO
ASK A QUESTION
Fill in your details below to ask question about this product.