Remy 12812 Alternator

Remanufactured Alternator for Infiniti and Nissan

Remy Part Number 12812 is a premium remanufactured 12-volt alternator built for select Infiniti and Nissan applications that use a 150-amp charging system. It features an internal voltage regulator, internal fan, clockwise rotation, and an included pulley for direct-fit replacement in the listed vehicles.

Key Features

• 150 amp amperage rating for OE-style charging output
• 12V alternator with internal voltage regulator
• Internal fan design for charging system cooling
• Clockwise rotation
• Pulley included
• Remanufactured to support replacement of Mitsubishi OE units

Product Line Details

Remy Premium Remanufactured parts are built for drivers who need a replacement electrical component that matches the original application requirements. This alternator is remanufactured for vehicles originally equipped with Mitsubishi charging components and is listed for multiple Infiniti and Nissan models with 150-amp systems.

Detailed Description

This alternator is a direct replacement for select Infiniti Q70, Q70L, Q50, EX35, FX35, G37, M35, and G35 applications, as well as Nissan 350Z and 370Z models listed below. It cross-references Mitsubishi A3TJ1991 and OE part number 23100-JK01A for the same application. Use Remy 12812 when replacing a worn or failing alternator in vehicles that require a 150-amp, 12-volt unit with internal regulation and clockwise rotation.

What It Helps Solve

• Battery warning light caused by alternator output loss
• Low charging voltage during driving or idling
• Dim lights or electrical instability from weak charging performance
• Starting problems related to insufficient battery recharge
• Noise or charging issues from a failing original alternator

Installation Notes and Fitment

• Fits 2015-2019 INFINITI Q70, N/A; Sport Pkg; 150 Amps; Premium Remanufactured
• Fits 2015-2019 INFINITI Q70L, N/A; Sport Pkg; 150 Amps; Premium Remanufactured
• Fits 2014-2015 INFINITI Q50, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2014 INFINITI Q70, N/A; Sport Pkg; 150 Amps; From 11/2013; Premium Remanufactured
• Fits 2010 INFINITI EX35, N/A; 150 Amps; To 11/30/09; Premium Remanufactured
• Fits 2010 INFINITI FX35, N/A; 150 Amps; To 2/2010; Premium Remanufactured
• Fits 2010 INFINITI G37, N/A; 150 Amps; To 2/2010; Premium Remanufactured
• Fits 2009-2010 INFINITI M35, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2010 Nissan 370Z, N/A; 150 Amps; To 2/2010; Premium Remanufactured
• Fits 2008-2009 INFINITI EX35, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2009 INFINITI FX35, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2008-2009 INFINITI G37, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2007-2009 Nissan 350Z, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2009 Nissan 370Z, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2007-2008 INFINITI G35, N/A; Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured

Verify the vehicle’s original alternator specifications, connector style, and mounting configuration before installation. Because several listed applications use multiple 150-amp variants, matching the OE number and system details is important for proper fitment.

Quality Assurance

Remy Premium Remanufactured components are remanufactured to replace the original charging unit in the specified applications. Part Number 12812 is built around the listed OE manufacturer specification from Mitsubishi and the confirmed vehicle fitment data above.