Bosch AL8731N Alternator

Reliable Bosch Alternator for GM Trucks and SUVs

The Bosch AL8731N Alternator (New) is designed to provide consistent 12-volt electrical power for a range of Chevrolet, GMC, and Cadillac vehicles. Engineered with durable aluminum casing and an internal fan, this alternator supports your vehicle's charging system with a 130-amp output and includes all necessary components for a straightforward installation.

• Voltage: 12V system compatibility
• Amperage Rating: 130 amps for reliable charging
• Internal fan type with external fan included for optimal cooling
• Clockwise rotation direction
• Includes pulley with 6 grooves and 57mm outside diameter
• Internal regulator type with external regulator included
• Aluminum case material and color for durability and heat dissipation
• Plug type 314 with 3-pin plug clock rear view at 6 o'clock
• Compatible with multiple GM models including Silverado, Sierra, Tahoe, Yukon, Escalade, and Avalanche

About the Bosch Alternator (New) Product Line

The Bosch Alternator (New) product line focuses on delivering brand-new alternators built to meet original equipment specifications. This ensures that each unit, including the AL8731N, offers reliable performance and durability. The line includes alternators with internal regulators and integrated cooling features, designed to maintain consistent electrical output under various driving conditions.

Detailed Product Description

The Bosch AL8731N alternator is engineered for 12-volt electrical systems and rated at 130 amps, making it suitable for heavy-duty applications in trucks and SUVs. Its aluminum case provides strength and efficient heat dissipation, while the internal fan combined with an external fan enhances cooling during operation. The alternator features a clockwise rotation and a 6-groove pulley with a 57mm diameter, compatible with 6s belt types. The internal regulator is complemented by an external regulator included with the unit, ensuring stable voltage regulation. The plug type 314 with a 3-pin configuration located at the 6 o'clock position facilitates proper electrical connections. This alternator is designed for use in various GM vehicles such as the Chevrolet Silverado 1500 HD, GMC Sierra 2500 HD, Cadillac Escalade EXT, and others.

Common Applications and Issues Addressed

• Replacement for failing or underperforming alternators in Chevrolet Silverado and GMC Sierra models
• Restores proper battery charging in Cadillac Escalade and Yukon vehicles
• Resolves electrical system issues caused by worn pulleys or regulators
• Eliminates intermittent power loss or dimming lights in Tahoe and Avalanche trucks
• Supports heavy electrical loads in Suburban 1500 and 2500 series vehicles

Installation Notes and Tips

• Ensure compatibility with your specific make and model before installation
• Verify the plug type and mounting ear position (3-pin plug at 6 o'clock) for proper fitment
• Check belt alignment with the 6-groove pulley to avoid premature wear
• Disconnect the battery before removing the old alternator to prevent electrical shorts
• Use proper torque specifications when securing mounting bolts to avoid damage

Quality Assurance and Warranty

The Bosch AL8731N alternator is a new unit manufactured to meet or exceed OEM standards. Bosch alternators undergo rigorous testing to ensure durability and consistent performance. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship, providing confidence in the product's reliability for your Chevrolet, GMC, or Cadillac vehicle.