Quick view LEROY SOMER R450F AVR Voltage Regulator R450F Voltage Regulator (AVR) Leroy SomersReplaces Obsolete R448 AVRFactory (New) 1 Year Factory Warranty Brand: Leroy Somer Alternator part numbers for the same R450 Automatic Voltage Regulator Leroy Somer Voltage Regulator AEM110RE031 AVR Leroy... MSRP: Was: Now: $1,350.00 Add to Cart