Bosch AL9961LH Alternator

Reliable Bosch Alternator (New) AL9961LH Overview

The Bosch Alternator (New) AL9961LH is a 12-volt electrical component designed to maintain your vehicle's charging system efficiency. Engineered with an internal regulator and an external fan, this alternator supports consistent power delivery for various automotive applications.

• Voltage: 12V for standard automotive electrical systems
• Amperage Rating: 140 amps to support high electrical loads
• Rotation Direction: Clockwise for proper engine compatibility
• External Fan Included: Yes, for enhanced cooling performance
• Plug Type: 151 with 4-pin plug clock rear view main mounting ear at 6 o'clock
• Case Material and Color: Durable aluminum in aluminum finish
• Internal Regulator: Integrated for simplified installation and reliable voltage control

Detailed Bosch Alternator Features and Specifications

This Bosch AL9961LH alternator is part of the Alternator (New) product line, which focuses on delivering new, high-quality alternators designed to meet or exceed original equipment specifications. The aluminum case construction ensures durability and heat dissipation, while the external fan helps maintain optimal operating temperatures during heavy electrical demand. The internal regulator simplifies the electrical system by eliminating the need for an external voltage regulator. The clockwise rotation and specific plug configuration (plug type 151 with 4-pin mounting ear at 6 o'clock) make it suitable for vehicles requiring these exact specifications.

Common Applications and Issues Addressed

• Replaces failing or underperforming alternators in vehicles requiring 12V, 140A output
• Resolves battery charging problems caused by worn or damaged alternators
• Eliminates electrical system malfunctions due to faulty voltage regulation
• Prevents overheating issues with the included external fan for cooling
• Addresses compatibility concerns with specific plug types and rotation direction

Installation Notes and Tips

Ensure compatibility with your vehicle’s electrical system by verifying the plug type and rotation direction before installation. The AL9961LH alternator does not include a pulley, so confirm your existing pulley setup is compatible or sourced separately. Since this alternator features an internal regulator, no external voltage regulator installation is necessary. Proper mounting orientation with the main mounting ear at 6 o'clock is essential for secure fitment.

Quality Assurance and Warranty Information

As a new alternator from Bosch’s Alternator (New) line, the AL9961LH is manufactured to meet stringent quality standards. Bosch alternators undergo rigorous testing to ensure reliable performance and durability. Please refer to Bosch’s official warranty policy for specific coverage details on this part.