Nemesis Audio NM8237-400A-CB 400 Amp Alternator For Chevy 1996-2004

Stop the voltage drop. The NM8237-400A-CB is a high-output 400 Amp alternator designed specifically for 1996–2004 GM Trucks. Engineered to handle massive current demands, this alternator ensures your amplifiers get the steady power they need to perform at their peak without flickering lights or system strain.

Massive Power for Competition Builds

If you are running multiple amplifiers or a high-wattage subwoofer system, your factory alternator simply cannot keep up. The Nemesis Audio NM8237-400A-CB solves this by delivering a massive 400 Amps of current. This high-output unit is built to provide maximum charging efficiency even at idle, keeping your batteries topped off and your voltage stable during heavy bass hits.

Designed as a direct fit for the 1996–2004 GM truck platform, this alternator is the backbone of any serious electrical upgrade. It features heavy-duty internal components and a high-efficiency cooling design to ensure long-term reliability under the most demanding conditions.

Fitment Applications:

This model is a direct fit for 1996–2004 GM Trucks equipped with the following engines:

• 4.3L / 4.8L / 5.3L / 6.0L / 6.6L / 8.1L

Key Features:

• 400 Amp Output: Supports high-wattage audio systems and additional electrical accessories.
• Direct Fit: Designed for easy installation in 1996-2004 GM engine bays.
• Stable Voltage: Reduces or eliminates voltage drop and headlight flickering.
• Heavy-Duty Build: Precision-wound coils and high-quality bearings for maximum durability.

Technical Specifications:

• Model: NM8237-400A-CB
• Amperage: 400 Amp
• Compatibility: GM Trucks (1996–2004)
• Color/Finish: Standard / Black