Bosch AL3331X Alternator

Reliable Alternator Replacement for Toyota Highlander

The Bosch AL3331X alternator is a remanufactured electrical component designed specifically for Toyota Highlander models. Engineered to meet strict quality standards, this 12-volt alternator ensures consistent charging performance and reliable operation.

• Voltage: 12V system compatibility
• Rotation Direction: Clockwise
• Internal fan type with no external fan included
• Includes pulley with 7 grooves and 53mm outside diameter
• Internal regulator included for stable voltage output
• Aluminum case material and color for durability and heat dissipation
• Amperage rating of 150 amps to support vehicle electrical demands
• Plug type 917 with rear view main mounting ear at 6 o'clock position
• Compatible with Toyota Highlander models requiring a 7s-cp pulley type alternator

About Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) product line offers high-quality remanufactured alternators that meet or exceed original equipment specifications. Each unit undergoes rigorous testing and refurbishment to restore performance and reliability. The AL3331X is part of this line, providing a cost-effective solution without compromising on durability or functionality for Toyota Highlander vehicles.

Detailed Product Description

The Bosch AL3331X alternator is designed to deliver dependable electrical charging for Toyota Highlander vehicles. Featuring a 12-volt system and a 150-amp output, it supports the vehicle’s electrical components efficiently. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent power delivery. The included pulley with seven grooves and a 53mm diameter matches the factory specifications, facilitating straightforward installation. Constructed with an aluminum case, this alternator offers enhanced heat dissipation and corrosion resistance, contributing to long service life.

Common Issues Addressed by This Alternator

• Battery not charging or frequent battery drain
• Dim or flickering headlights and electrical accessories
• Warning lights related to charging system on the dashboard
• Unusual noises from the alternator pulley or bearings
• Vehicle stalling or difficulty starting due to electrical failure

Installation Notes and Tips

• Ensure vehicle battery is disconnected before installation to prevent electrical shorts
• Verify the alternator pulley type and groove count matches the original part
• Check mounting ear orientation; this model features a rear view main mounting ear at 6 o'clock
• Confirm plug type 917 compatibility with vehicle wiring harness
• Inspect belt tension and alignment after installation to avoid premature wear

Quality Assurance and Warranty

As a remanufactured unit from Bosch, the AL3331X alternator undergoes comprehensive testing to meet OEM standards. Bosch provides warranty coverage on this alternator to ensure reliability and customer confidence. This part is engineered to deliver consistent performance for Toyota Highlander vehicles requiring a 12-volt, 150-amp alternator with internal regulation and a 7s pulley system.