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โก Power up with confidence โ the smart regulator your generator deserves!
The R448 AVR by Thunder Parts is a high-precision automatic voltage regulator designed as an exact generic replacement for the Leroy Somer R448 model. Featuring robust electronic protections against overloads, short circuits, and sensing loss, it supports multiple voltage inputs (110V, 220V, 380V) and automatically manages excitation current to safeguard your generator. Backed by a 2-year warranty and integrated fuse protection, this regulator ensures reliable, long-lasting performance for professional-grade power management.







| ASIN | B07LFCPGT6 |
| Best Sellers Rank | #1,987,506 in Automotive ( See Top 100 in Automotive ) #852 in Automotive Replacement Alternator Voltage Regulators |
| Brand | Thunder Parts |
| Brand Name | Thunder Parts |
| Color | Black |
| Customer Reviews | 4.1 out of 5 stars 9 Reviews |
| Manufacturer | Thunder Parts |
| Material | Plastic | Metal |
| Material Type | Plastic | Metal |
| Model | R448 AVR |
| Part Number | R448 AVR |
| UPC | 194031263685 |
| Unit Count | 1 Count |
R**R
Worked well
Worked very well in generator FG Wilson
E**O
Buen vendedor
Buen producto
Trustpilot
4 days ago
1 week ago