DESCRIPTION |
FEATURES |
SPECIFICATIONS |
DOCUMENTS |
VIDEO |
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DESCRIPTION
The **ALX‑8521LS** is a high-quality **12 V/70 A belt-driven alternator**, FAA‑PMA certified and designed as a direct replacement for legacy Prestolite-style units requiring reverse (counterclockwise) rotation and a lightweight mount configuration.
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.*
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## Applications
- Fixed-wing general aviation aircraft requiring a **12 V/70 A lightweight mount** alternator with **reverse rotation**
- Direct replacement for ALX‑8420LS and equivalent legacy units
- Compatible with Lycoming O-320, O-360, and O-540 series engines requiring reverse rotation and low-slung mounting
- Ideal for retrofits, maintenance, or specialized installation requirements
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## 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
- 12 V / 70 A belt-drive output
- FAA‑PMA certified for direct replacement
- Factory-overhauled to OEM standards for quiet and reliable operation
- Reverse (counterclockwise) rotation
- Lightweight, low-slung mounting configuration
- Durable aerospace-grade construction
- Plug-and-play installation with no modifications needed
SPECIFICATIONS
Package Dimensions
| Length | 27.9 cm |
| Height | 24.1 cm |
| Width | 28.6 cm |
| Weight | 7.67 kg |
Details
| Specification | Details |
|-------------------|------------------------------------------|
| **Part Number** | ALX‑8521LS |
| **Output** | 12 V DC / 70 A |
| **Drive Type** | Belt-drive |
| **Rotation** | Reverse (counterclockwise) |
| **Mount Type** | Lightweight / low-slung |
| **Certification** | FAA‑PMA |
| **Replaces** | ALX‑8420LS and equivalent legacy units |
| **Condition** | Factory-overhauled |
| **Core Charge** | Refundable (exchange program available) |
BROCHURES & DOCUMENTATIONS
List of Brochures
List of Documentation
ALTERNATOR & STARTER APPLICATION DATA FOR REFERENCE ONLY
VIDEO
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