Offered is an NORS voltage regulator from Standard Motor Products, VR-300X. See photo 3 for the Autolite regulators this replaces. The regulators to be replaced have the following applications: '37-'39 Chrysler, '38-'39 Desoto, Dodge, Dodge truck, '38 Plymouth, '39 Studebaker 9A 6 cyl and K5 truck, and '39 Packard 1703, 04, 05 tach drive. The instruction sheet also lists the applicable generators. This is an old unit, but has never been used. Original box has fallen apart and was soiled. Item comes as shown.