ACDelco 84143542 GM Original Equipment 150 Amp Alternator Assembly

The ACDelco 84143542 is a GM Original Equipment alternator assembly designed as a direct replacement for GM vehicles. This 150-amp alternator features 100% newly manufactured components built to GM OE specifications for fit, form, and function.

Key Features:

• 150-amp output capacity for reliable electrical system performance
• 12-volt design with internal voltage regulator
• Serpentine pulley configuration for proper belt routing
• Computer tested for voltage stability, terminal function, and electronic circuit board integrity
• Manufactured under ISO Quality Standards for consistent quality
• Key components are greased for long-term reliability in harsh conditions
• All mounting surfaces and contact points gauged and measured for proper fit
• Engineering enhancements to internal components provide improved efficiency

This alternator provides power to your vehicle's electrical systems and charges the battery while the engine is running. Supersedes GM part numbers 22747894 and 23487088. As a genuine ACDelco GM Original Equipment part, it offers the quality, reliability, and durability you expect from General Motors.