High Output Alternator for Buick Enclave (2008-2016) 3.6L

High-Amp 350A Direct-Fit Alternator for 2008-2016 Buick Enclave Lambda

What it Does: The 350-amp high output alternator replaces the factory charging unit on the 2008-2016 Buick Enclave to supply steady 14.4-volt electrical current and eliminate idle voltage drop during heavy auxiliary accessory draw.

The Stock Buick Enclave Charging Limitation

Factory alternators on the GM Lambda platform produce between 150 and 160 amps, which creates significant electrical bottlenecking once aftermarket electronics are installed. When combined with stock high-load draws—such as dual-zone HVAC blowers, heated seats, and power liftgates—the factory unit experiences severe thermal saturation. At curb idle (around 600 RPM), low rotor speeds cause voltage decay down into the 12-volt range, resulting in dimming headlights, slow power window operation, and premature battery degradation under supplemental electrical loads like high-draw audio amplifiers or auxiliary lighting.

The Engineering Solution

This 350-amp unit utilizes heavy-duty copper hairpin stator windings and an upgraded 12-diode avalanche rectifier to sustain peak output while dispersing heat efficiently. The heavy-duty rotor and premium dual-sealed bearings operate reliably up through maximum engine speeds while drastically improving low-RPM current delivery over stock. It drops directly into the OEM engine bracket using stock pulley alignment and the standard terminal plug, replacing OEM numbers 104210-6160, 210-0616, 25815839, and 11252 without requiring custom modifications or adapters.

What's Included

• 1x 350-Amp High Output Alternator

Technical Specifications

Compatibility

• 2008 Buick Enclave 3.6L V6 (LY7)
• 2009-2016 Buick Enclave 3.6L V6 (LLT)

Frequently Asked Questions & Fitment Warnings

Does this fit the Lambda Enclave?

Yes, this is a direct fit for the 2008-2016 Buick Enclave equipped with the 3.6L High Feature V6 (LY7 and LLT) on the GM Lambda platform.

Do I need to upgrade my charging cables?

A 1/0 AWG 'Big 3' charging cable upgrade is strongly recommended to handle 350-amp current flows safely and prevent thermal resistance in the factory wire harness.

The Buick Reliability Standard

Engineered for high-demand family transport and luxury touring, this high-output replacement ensures consistent line voltage and steady battery management under severe continuous electrical loads.