Keep charging-system voltage under control with the Standard Ignition Voltage Regulator VR-490, a Nissan Sentra voltage regulator designed to manage the output of your charging system. It is a direct-fit replacement for the 1991-1992 Nissan Sentra. See the Buyer's Guide tab for engine details.
A voltage regulator controls how much voltage the charging system delivers. This helps keep the battery charged and supplies the electrical system at a controlled level. If a failed regulator is the cause of dim or flickering lights, a lit charge warning light, or a battery that won't stay charged, this unit replaces it.
Interchange: R1006 · VR887 · VR582 · 2321550Y05
This part cross-references / interchanges with the following part numbers:
Which vehicles does the Standard Ignition VR-490 fit?
The VR-490 is listed for the 1991-1992 Nissan Sentra. See the Buyer's Guide tab for engine details.
What does a voltage regulator do?
It controls the output voltage of the charging system. This helps keep the battery charged and supplies the vehicle's electrical system at a regulated level.
What are signs a voltage regulator may need replacing?
Signs include dim or flickering lights, a lit battery or charge warning light, and a battery that runs down or appears overcharged. These can have other causes, so diagnose the charging system first.
Why is the circuit board encapsulated in epoxy?
Standard Ignition encapsulates its electronic regulator PC boards in epoxy to improve performance. The epoxy also improves resistance to failures that vibration and corrosion of electrical connections can cause.
What part numbers does the VR-490 interchange with?
The VR-490 cross-references to R1006, VR887, VR582 and 2321550Y05.
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.
