High Output Alternator for Acura TSX (2004-2008) 2.4L

High-Output 200 Amp Alternator for 2004-2008 Acura TSX (CL9)

What it Does: The 200-amp high-output alternator replaces the factory charging unit on the 2004-2008 Acura TSX to deliver consistent, heavy-duty electrical output and prevent voltage drop under demanding accessory loads.

The Stock Acura TSX Charging Limitation

Factory charging systems on the first-generation CL9 chassis rely on a standard 105-amp stator engineered strictly for baseline electrical draw. When introducing modern electrical demands—such as high-draw car audio amplifiers, auxiliary lighting, high-flow fuel pumps, or secondary cooling fans—the OEM charging system fails to maintain system target voltage at idle. This severe current deficit causes pronounced headlight flickering, sluggish power window operation, and unstable reference voltages across critical sensors, while excess heat accelerates diode pack degradation and early brush wear in OEM units like 31100-RAA-A01.

The Engineering Solution

Engineered as a direct bolt-on upgrade, this 200-amp platform drastically increases sustained output across all engine speeds. Built in the USA using precision-wound high-temperature copper stators, an oversized heavy-duty rectifier, and heavy-gauge internal diodes, this unit dissipates heat soak far more effectively than standard units. It reliably produces robust charging amperage even at low RPMs, stabilizing system potential at 14.2V–14.8V and safeguarding sensitive electronic components on the high-revving K24A2 powerplant without throwing charging-system error codes.

What's Included

• 1 High Output 200-Amp Alternator

Technical Specifications

Compatibility

• 2004 Acura TSX Base Sedan 2.4L DOHC i-VTEC (K24A2)
• 2005 Acura TSX Base Sedan 2.4L DOHC i-VTEC (K24A2)
• 2006 Acura TSX Base Sedan 2.4L DOHC i-VTEC (K24A2)
• 2007 Acura TSX Base Sedan 2.4L DOHC i-VTEC (K24A2)
• 2008 Acura TSX Base Sedan 2.4L DOHC i-VTEC (K24A2)

Frequently Asked Questions & Fitment Warnings

Does this fit the CL9 TSX?

Yes, this unit directly bolts onto the 2004-2008 Acura TSX equipped with the 2.4L K24A2 engine utilizing existing factory mounting brackets.

Do I need to upgrade my charging cables when running 200 amps?

A 0-gauge or 4-gauge "Big Three" power wire upgrade from the alternator positive terminal to the battery is strongly recommended to handle peak current without line-resistance drops.

The Acura Performance Standard

Optimized for tuned JDM chassis, this high-output alternator matches the demanding requirements of modified high-compression VTEC builds, delivering stable voltage and uninterrupted peak power across the entire RPM sweep.