Bosch AL4318X Alternator

Reliable Remanufactured Alternator for Subaru Impreza

The Bosch AL4318X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for your Subaru Impreza. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and efficient operation.

• 12-volt electrical system compatibility
• Internal fan type for effective cooling
• Clockwise rotation direction
• Includes a 5-groove pulley with a 56.1 mm outside diameter
• Internal voltage regulator for stable output
• Durable aluminum case construction
• Amperage rating of 90 amps
• Remanufactured to OEM standards

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that restore your vehicle's charging system to original equipment performance. Each unit undergoes rigorous testing and refurbishment to ensure reliability and longevity, making it a practical replacement option for Subaru Impreza owners seeking a cost-effective solution without compromising on quality.

Detailed Product Description

This Bosch AL4318X alternator features an internal fan design that helps maintain optimal operating temperatures, reducing wear and extending service life. The clockwise rotation matches the factory specifications for the Subaru Impreza, ensuring proper belt alignment and tension. The included 5-groove pulley with a 56.1 mm diameter supports the 5s belt type commonly used in this vehicle. Constructed with a robust aluminum case, this alternator offers corrosion resistance and durability. The internal voltage regulator maintains a steady 12-volt output with a 90-amp rating, suitable for the electrical demands of the Subaru Impreza.

Common Issues Addressed by This Alternator

• Battery not charging or slow charging
• Dim or flickering headlights and dashboard lights
• Electrical system warning lights illuminated
• Unusual noises from the engine bay related to the charging system
• Vehicle stalling or difficulty starting due to electrical failure

Installation Notes and Tips

• Ensure compatibility with Subaru Impreza models before installation
• Verify the pulley groove count and size match the vehicle’s belt system
• Disconnect the battery before removing the old alternator to prevent electrical shorts
• Inspect and replace worn belts and tensioners during installation
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

The Bosch AL4318X alternator is remanufactured to meet or exceed original equipment standards. Each unit undergoes comprehensive testing to verify electrical output and mechanical integrity. Bosch provides a limited warranty on this remanufactured alternator, ensuring confidence in its performance and durability for your Subaru Impreza.