Bosch AL3397X Alternator

Reliable Remanufactured Alternator for Lexus and Toyota Vehicles

The Bosch AL3397X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for select Lexus and Toyota models. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and efficient operation for your vehicle's electrical system.

• 12-volt electrical system compatibility
• 130 ampere output for reliable charging
• Internal fan type with clockwise rotation
• Includes a 7-groove pulley with a 52.5 mm outside diameter
• Aluminum case construction for durability and heat dissipation
• Internal voltage regulator for stable output
• Compatible with Lexus Highlander and Toyota RX350 models
• Remanufactured to meet Bosch Alternator (Remanufactured) product line standards

Detailed Features of Bosch AL3397X Alternator

This Bosch AL3397X alternator is a remanufactured unit built with an aluminum case that offers both strength and effective heat dissipation. It operates at 12 volts and delivers a 130 amp rating, suitable for the electrical demands of the Lexus Highlander and Toyota RX350. The alternator features an internal fan and rotates clockwise, which aligns with the original equipment specifications. The included pulley has seven grooves (7s type) and measures 52.5 mm in diameter, designed to work with 7s-dp belt types. The internal voltage regulator ensures consistent voltage output without the need for an external regulator. This unit does not include an external fan or one-wire capability but comes with the pulley installed for easier replacement.

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line focuses on restoring alternators to meet original equipment standards through rigorous testing and quality control. These remanufactured alternators provide a cost-effective solution for maintaining vehicle electrical systems without compromising reliability. The AL3397X is part of this line, ensuring it meets Bosch’s specifications for performance and durability in Lexus and Toyota applications.

Common Applications and Issues Addressed

• Replacement for failing or weak alternators in Lexus Highlander and Toyota RX350
• Resolves battery charging problems and electrical system malfunctions
• Eliminates dimming headlights or electrical accessory failures
• Addresses warning lights related to charging system faults
• Restores proper voltage regulation and alternator output

Installation Notes and Tips

• Ensure compatibility with Lexus Highlander and Toyota RX350 models before installation
• Verify the pulley groove count and diameter match the vehicle’s belt system
• Check wiring connections for the 4-pin plug clock rear view main mounting ear at 6 o’clock
• Follow manufacturer torque specifications when mounting the alternator
• Test the charging system after installation to confirm proper operation

Quality Assurance and Warranty

The Bosch AL3397X alternator undergoes comprehensive remanufacturing processes including cleaning, inspection, and testing to meet strict quality standards. While specific warranty details are not provided here, Bosch remanufactured alternators typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the product’s reliability and performance for Lexus Highlander and Toyota RX350 owners.