As a factory authorized Zeftronics distributor, Aircraft Spruce can assure you the fastest delivery and best prices on all of your Zeftronics engine accessory requirements. We carry the complete Zeftronics product line. If you do not see the product you need listed, please call us for price and availability. 

We have complete information on file cross referencing Zeftronics part numbers to all OEM part numbers.If you are not sure what part number you need for your aircraft, please call us for immediate assistance. 

Note: Please read wiring instructions carefully prior to installation of voltage regulators. Improper wiring will void warranty All returns subject to manufacturer's warranty inspection. For an accurate cross reference, OEM Part Number Required. For Aircraft Eligibility, download the Eligibility Chart