Hitachi ALR0020 Alternator

Hitachi ALR0020 Alternator for Nissan and Infiniti

The Hitachi ALR0020 is a remanufactured 12V alternator built for select Nissan Maxima and Infiniti I30 applications. With a 125 amp output, internal regulator, and serpentine pulley setup, it matches the OE-style electrical and mounting requirements for the listed vehicles.

Key Features

• Remanufactured Hitachi alternator for 12V charging systems
• 125 amp amperage rating for OE-style electrical output
• Internal regulator for integrated voltage control
• Clockwise rotation with a single-groove serpentine pulley
• Blade plug type with rear-view plug clock position at 12
• Direct application coverage for select 1995-1997 Nissan Maxima and 1996-1997 Infiniti I30 models

Detailed Description

Built under the Hitachi brand and identified by part number ALR0020, this alternator is specified for 12V charging systems and uses a serpentine belt drive with one pulley groove. It features a clockwise rotation direction, internal regulator, and blade-style connector, making it a direct-match replacement for the listed Nissan Maxima and Infiniti I30 applications. This part cross-references Nissan OE numbers 23100-31U02 and 23100-40U00 for the same application.

Compatible vehicle coverage includes Fits 1996-1997 INFINITI I30, N/A and Fits 1995-1996 Nissan Maxima, N/A. For shoppers searching for a Hitachi ALR0020 alternator for Nissan Maxima 1995-1996 or an Infiniti I30 alternator replacement for 1996-1997, this unit aligns with the OE configuration details shown in the fitment data.

Common Uses

• Restoring charging output when the battery warning light stays on
• Replacing a worn alternator that causes dim lights or low system voltage
• Correcting charging issues tied to internal regulator failure
• Addressing belt-driven charging problems on serpentine-equipped vehicles
• Replacing an OE unit on select Nissan Maxima and Infiniti I30 models

Installation Notes and Tips

Verify the connector style, pulley configuration, rotation direction, and mounting orientation before installation. Confirm the vehicle uses a 12V system and the listed 125 amp specification. Because this unit is remanufactured, inspect the belt condition, battery state, and charging circuit before final startup to avoid repeat failure.

Quality Assurance

Hitachi remanufactured electrical components are built to match the listed OE application details for fit and function. Confirm all vehicle and connector specifications against the part number ALR0020 before installation.