This automotive alternator is designed for Buick and Chevrolet vehicle applications requiring stable and high-output charging system performance. Compatible with OEM part numbers 104210-6311, 25815839, and 20838975, this 170A alternator assembly is manufactured to OEM standards for reliable aftermarket replacement and global export markets.
Equipped with a durable 7PK pulley system, the alternator delivers efficient power transmission and stable voltage output for battery charging, ignition systems, lighting, air conditioning, audio systems, and onboard electronics.
Manufactured with high-quality metal housing and precision-tested internal components, this alternator offers excellent durability, heat resistance, and long service life under demanding driving conditions and heavy electrical loads.
This alternator is suitable for Buick and Chevrolet charging systems requiring stable 170A output performance and reliable aftermarket replacement.
Product Features
• OEM replacement for alternator 104210-6311
• Compatible with 25815839 and 20838975
• Stable 170A charging output
• Durable 7PK pulley system
• OEM-compatible installation structure
• High-strength metal housing
• Reliable aftermarket charging solution
Applications
Suitable for:
• Buick vehicles
• Chevrolet vehicles
• GM charging systems
• Compatible applications requiring OEM alternator 104210-6311
Why Choose Our Alternator
• OEM-standard manufacturing
• Stable voltage and charging performance
• 100% tested before shipment
• Suitable for wholesale and export markets
• Reliable aftermarket replacement solution
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