Standard Ignition VR-422 Voltage Regulator

Charging System Voltage Regulator for Nissan

Standard Ignition VR-422 is a 12-volt charging system voltage regulator that mounts at the alternator and uses a rectangular female connector with four male terminals. It is built for direct replacement service on select Nissan 200SX and Nissan 240SX applications, including 1986-1990 models listed below.

Key Features

• Charging system voltage regulator for alternator-mounted applications
• 12-volt design for regulated charging output
• Rectangular 1-connector configuration with female connector gender
• 4-terminal layout with blade and eye ring terminal types
• Compact housing dimensions: 91.186 x 56.896 x 37.084 mm
• Direct interchange reference: VR-422

Detailed Description

Standard Ignition VR-422 is a replacement charging system voltage regulator for Nissan alternator applications. It is specified with one rectangular female connector, four male terminals, and alternator mounting location, making it a focused service part for restoring proper voltage control in the charging system. This part cross-references R959 for the same application. Standard Ignition VR-422 also cross-references 2313358S00 for the same application.

Compatible With 1989-1990 Nissan 240SX and 1987-1988 Nissan 200SX, plus 1986 Nissan 200SX from 2/86. If you are searching for a Nissan 240SX voltage regulator or a Nissan 200SX alternator regulator replacement, VR-422 matches the listed vehicle coverage and connector style.

What It Helps Address

• Unstable charging voltage at the alternator
• Battery warning light concerns related to regulator failure
• Overcharging or undercharging conditions
• Charging system output irregularities
• Alternator regulator replacement during electrical repair

Installation Notes and Tips

Verify connector shape, terminal style, and alternator mounting location before installation. This unit does not include hardware, instructions, or mounting brackets. Confirm the vehicle application by year and model, especially for the 1986 Nissan 200SX from 2/86 listing, and compare the original regulator connector layout to the VR-422 before service.

Quality Assurance

Standard Ignition supplies this voltage regulator as a replacement electrical component for listed Nissan applications. Part number VR-422 is identified for direct interchange use in the specified charging system service range.