--- product_id: 34788346 title: "AS440 | Generic Replacement for Cummins AS440 Automatic Voltage Regulator" price: "€ 70.97" currency: EUR in_stock: true reviews_count: 4 url: https://www.desertcart.at/products/34788346-as440-generic-replacement-for-cummins-as440-automatic-voltage-regulator store_origin: AT region: Austria --- # ±1.0% voltage regulation precision Selectable input voltage: 100-130V or 190-264V 2-year hassle-free warranty AS440 | Generic Replacement for Cummins AS440 Automatic Voltage Regulator **Price:** € 70.97 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your engine’s heart with precision and reliability! ## Quick Answers - **What is this?** AS440 | Generic Replacement for Cummins AS440 Automatic Voltage Regulator - **How much does it cost?** € 70.97 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/34788346-as440-generic-replacement-for-cummins-as440-automatic-voltage-regulator) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Power Control:** Maintain stable voltage with ±1.0% regulation for peak engine performance - • **Reliable Current Output:** Continuous 4A current with robust 15Ω resistance ensures steady operation - • **Plug-and-Play Replacement:** Exact generic fit for Cummins AS440, minimizing downtime and installation hassle - • **Confidence-Backed Warranty:** 2-year warranty guarantees durability and peace of mind for professionals - • **Flexible Voltage Compatibility:** Easily switch input voltage settings to fit diverse power needs ## Overview The Thunder Parts AVR AS440 is a generic replacement Automatic Voltage Regulator designed for Cummins AS440 alternators. It offers selectable input voltage ranges (100-130V or 190-264V), precise voltage regulation within ±1.0%, and a continuous 4A current output with 15Ω resistance. Backed by a 2-year warranty, it ensures dependable performance and easy installation for professional-grade power management. ## Description Product description AS440 AVR - Automatic Voltage Regulator - Exact Generic Replacement Review: Excellent, value of money - Material delivered sooner as expected delivery, excellent in quality. Review: Regulador de voltaje - Malo se reventó explotó ## Features - CUMMINS is a registered trademark of Cummins. - SENSING INPUT: Voltage Jumper selectable: 100-130 Vac 1 phase or 190-264 Vac 1 phase - FREQUENCY 50-60 Hz nominal - OUTPUT: Voltage 82 V d.c. @ 200 V a.c. - Current continuous 4A - Resistance 15 ohms min - REGULATION: +/- 1.0% - Generic replacement ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #400,188 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,780 in Power Converters | | Customer Reviews | 4.1 out of 5 stars 19 Reviews | ## Images ![AS440 | Generic Replacement for Cummins AS440 Automatic Voltage Regulator - Image 1](https://m.media-amazon.com/images/I/61HxCHybZ+L.jpg) ## Questions & Answers **Q: is this genuine stamford or is it a replacement** A: Hi ChristopherThis is a generic reoplacement that carries a 1 year warranty. We also have the original available at our Amazon store.Ed **Q: Quiero saber si es buen producto y si lo recomiendan** A: Hasta el momento funciona a la perfección. Y salvo problemas de fabricación como cualquier producto electrónico es recomendable **Q: do you have a wiring diagram for converting from 350-28700 avr to the as440 avr?** A: If you are going to use the AS440, you won't be connecting P2,P3&P4, for the PMG. They will need to be safely isolated and taped off. 7 &8 are your voltage sensing wires, may also be labeled 2& 3, go on the terminals marked as such. The exciter wires are x and xx and go on the terminals marked as such. All the markings are on the back side of the regulator. Don't forget to set the jumpers for you correct Hz and pole arrangement. This is also shown on the paperwork sent with the regulator. **Q: My as 440 has a transformer on it, this one does not appear to. what is the diference?** A: First make certain it is the same model. Second,the transformer may have been replaced with other components. None of the replacement AS440 have a transformer. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent, value of money *by M***S on August 25, 2019* Material delivered sooner as expected delivery, excellent in quality. ### ⭐ Regulador de voltaje *by M***L on April 18, 2024* Malo se reventó explotó ### ⭐ NO LO RECOMIENDO *by Y***A on July 18, 2019* No funsiono vinos defectuosa .. la envie a Venezuela y perdí el dinero de la compra más el dinero del envió la tarjeta no sirve ## Frequently Bought Together - Thunder Parts | AS440 | Generic Replacement for Cummins AS440 Automatic Voltage Regulator | 2 Year Warranty - Thunder Parts SX460 AVR Generic Replacement for Cummins SX460 Automatic Voltage Regulator | 2 Year Warranty! - AVR SE350 Automatic Voltage Regulator Control Module for Generator Genset with 2 Year Warranty! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/34788346-as440-generic-replacement-for-cummins-as440-automatic-voltage-regulator](https://www.desertcart.at/products/34788346-as440-generic-replacement-for-cummins-as440-automatic-voltage-regulator) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-10*