Bosch AL3309X Alternator

Reliable Remanufactured Alternator for Lexus and Toyota Vehicles

The Bosch AL3309X Alternator (Remanufactured) is designed to restore the electrical charging system of your Lexus Highlander or Toyota RX300. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and reliable performance.

• Voltage: 12V for standard automotive electrical systems
• Amperage Rating: 100 amps to support vehicle electrical demands
• Rotation Direction: Clockwise for proper engine compatibility
• Internal Fan Type with included external fan for efficient cooling
• Includes pulley with 6 grooves (6s type) and 65mm outside diameter
• Internal regulator with external regulator included for voltage control
• Aluminum case material and color for durability and heat dissipation
• Plug Type: 312 with 3 plug clock rear view main mounting ear at 6 o'clock
• Remanufactured to meet Bosch quality standards

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that provide a cost-effective alternative to new units without compromising performance. Each alternator undergoes rigorous testing and refurbishment to ensure it meets strict Bosch standards, making it a reliable replacement part for compatible Lexus and Toyota models.

Detailed Product Description

This Bosch AL3309X alternator features a 12-volt electrical system with a 100-amp output, suitable for the electrical load requirements of the Lexus Highlander and Toyota RX300. The clockwise rotation and internal fan design, complemented by an included external fan, optimize cooling during operation. The alternator comes with a 6-groove pulley (6s type) measuring 65mm in diameter, ensuring proper belt alignment and tension. Its aluminum case provides durability and effective heat dissipation, while the internal regulator combined with an external regulator maintains stable voltage output. The plug type 312 and mounting ear positioned at 6 o'clock facilitate straightforward installation and secure fitment.

Compatible Vehicle Applications and Common Issues Solved

• Compatible with Lexus Highlander models requiring a 12V, 100A alternator
• Compatible with Toyota RX300 models needing a remanufactured alternator with specified features
• Resolves battery charging problems and electrical system failures
• Addresses dimming headlights and electrical accessory malfunctions
• Fixes issues related to alternator pulley wear or failure

Installation Notes and Tips

Ensure the alternator rotation direction matches your vehicle’s engine requirements (clockwise for this unit). Verify the pulley groove count and diameter to match the existing belt system. Confirm plug type 312 compatibility with your vehicle’s wiring harness. Properly secure the mounting ear at the 6 o'clock position for stable installation. It is recommended to inspect the belt and tensioner during replacement to maintain optimal performance.

Quality Assurance and Warranty

This Bosch AL3309X alternator is remanufactured under strict quality control processes to meet or exceed OEM standards. The aluminum case and included external fan contribute to long-term durability. While specific warranty details are not provided here, Bosch remanufactured alternators typically come with a limited warranty covering defects in materials and workmanship.