Standard Ignition VR-20 voltage regulator for the 1959-1961 Chevrolet Impala V8 5.7L, the 1959-1962 Impala 6-cylinder 3.8L or V8 4.6L, the 1961-1962 Impala V8 6.7L, the 1962 Impala V8 5.3L and other vehicles controls the voltage the charging system sends to the battery and the rest of the electrical system.
Dim headlights or a battery that keeps going flat can mean the regulator is worn, though the alternator or generator and the battery can be behind the same signs, so find the cause before replacing the regulator.
The 1960-1961 Chevrolet Suburban V8 5.7L, the 1960-1963 Suburban 6-cylinder 3.8L or V8 4.6L, the 1961-1962 Suburban 6-cylinder 4.3L, the 1963 Suburban 6-cylinder 4.8L and the 1970 Jeep J-2500 6-cylinder 3.8L, V8 5.3L, 5.7L or 5.9L also fit this regulator, as do many other models. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
This listing is one voltage regulator, and the vehicles it fits need one. Mounting hardware and a mounting bracket are not included, so plan on new fasteners.
Product information is for general reference and may contain errors. See our Disclaimer.
Is the VR-20 voltage regulator right for the 1959-1961 Chevrolet Impala V8 5.7L?
Yes. Standard Ignition VR-20 fits the 1959-1961 Chevrolet Impala V8 5.7L. Open the "Vehicles it fits" section to check another year or engine.
Does the VR-20 voltage regulator come with a mounting bracket?
No. Standard Ignition VR-20 comes as the regulator with an instruction sheet; mounting hardware and a mounting bracket are not included.
What voltage and amp rating does this regulator have?
This voltage regulator is rated for 12 volts and 25 A, with three male terminals (screw and blade) and one flat male connector.
What are signs the VR-20 voltage regulator is wearing out?
Flickering lights or a charging warning light can mean this voltage regulator is worn. A shop can test the charging system.
Why is the circuit board in the VR-20 regulator encapsulated in epoxy?
The epoxy around the electronic board is intended to improve performance and cut failures from vibration and corrosion of the electrical connections.
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Standard Motor Products
Standard Motor Products
Standard Motor Products
Standard Motor Products
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
