








⚡ Power up your engine’s heartbeat with precision and reliability!
The Thunder Parts AVR AS440 is a generic automatic voltage regulator designed as a direct replacement for Cummins AS440 models. It features selectable input voltage ranges (100-130V or 190-264V), precise voltage regulation within ±1.0%, and supports continuous 4A current with a minimum 15Ω resistance. Backed by a 2-year warranty, this compact and reliable unit ensures stable power delivery for watercraft and vehicle alternators, making it a trusted choice for professionals seeking dependable performance.







| ASIN | B01IDRW0MM |
| Best Sellers Rank | #681,236 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,200 in Power Converters |
| Customer Reviews | 4.1 4.1 out of 5 stars (19) |
| Date First Available | July 13, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 12 ounces |
| Item model number | AS440 AVR |
| Manufacturer | Thunder Parts |
| Package Dimensions | 6.4 x 4.6 x 2.4 inches |
M**S
Excellent, value of money
Material delivered sooner as expected delivery, excellent in quality.
M**L
Malo se reventó explotó
Y**A
No funsiono vinos defectuosa .. la envie a Venezuela y perdí el dinero de la compra más el dinero del envió la tarjeta no sirve
H**N
Five Stars
Spare sought and delivered according to expectations
Trustpilot
2 weeks ago
2 weeks ago