Why Choose the Bosch 28V Alternator Regulator (20460884 / 20580794)
In the world of heavy-duty commercial vehicles and industrial machinery, ensuring a stable and consistent electrical output is critical. That’s where the Bosch 28V Alternator Regulator steps in as an indispensable component. Designed for reliability and long-term performance, this OEM-quality part supports several well-known models, including part numbers
20460884, 20580794, 1197311316, 1987AN0215, and 1197311315.
Compatible OEM Part Numbers
- 20460884
- 20580794
- 1197311316
- 1987AN0215
- 1197311315
Key Benefits of the Bosch 28V Alternator Regulator
The Alternator Regulator ensures that the output voltage remains stable, protecting sensitive electronic components from overvoltage or undervoltage. It’s a highly trusted solution in high-output environments such as trucks, construction equipment, buses, and marine engines.
- Voltage: 28V system compatibility
- Application: Commercial and industrial-grade engines
- Durability: Long-lasting and resistant to thermal and mechanical wear
- Stability: Maintains precise voltage control under load
Built for Harsh Environments
The Bosch 28V Alternator Regulator is built to endure extreme temperatures and vibrations, making it ideal for long-haul and off-road conditions. Field-tested and market-validated, it meets industry-standard expectations across the USA, Europe, and Asia.
Why Proper Regulation Matters
A faulty alternator regulator can lead to poor battery charging, electrical failures, and reduced fuel efficiency. Choosing a trusted part like this Bosch model reduces the risk of downtime and extends the life of your engine system. It’s not just a part—it’s a solution to long-term reliability and performance.
Market Approval and Industry Compliance
According to the U.S. Department of Transportation’s NHTSA, electrical system failures are among the top contributors to on-road vehicle malfunctions. By upgrading to a reliable Alternator Regulator, you can proactively prevent these issues and ensure fleet compliance with federal safety regulations.
Trusted by Fleet Operators Worldwide
This Bosch 28V model has been widely accepted by logistics companies, government fleets, and equipment maintenance teams. Its popularity is not just about compatibility but about a proven track record of performance. Whether you’re managing 5 vehicles or 500, this Alternator Regulator will keep your systems in sync and your assets productive.
Installation & Maintenance
Installation is straightforward for experienced technicians and mechanics, with direct-fit compatibility. Once installed, it requires minimal maintenance, reducing service interruptions and operational costs.
Conclusion: A High-Value Replacement You Can Rely On
If you’re looking for a replacement that checks all the boxes—OEM quality, voltage stability, and high durability—the Bosch 28V Alternator Regulator is your best option. With confirmed compatibility with OEM part numbers 20460884, 20580794, and others, it’s a hassle-free upgrade for a wide range of vehicle and engine systems.
Source: Verified product compatibility and safety guidance from NHTSA Electrical Systems Page.




















