Alternator Fit for 2.4L Acura TSX 2009-2014 and Honda Accord 2008-2012

In this review the focus is a practical replacement alternator aimed at owners of 2.4L Acura TSX (2009-2014) and 2.4L Honda Accord (2008-2012). The bottom line: this SCITOO-style alternator is worth considering if you need a direct OE-replacement with 130Amp output and a 7-groove pulley, because it delivers reliable charging performance and easy installation for most DIYers and independent shops.

Key Features

• Direct fit: Designed to match OE numbers so it installs without modification on the listed TSX and Accord models.
• High output: The 130Amp rating provides strong charging capacity for modern electrical loads and accessories.
• 12V system compatibility: Engineered for standard 12V vehicle electrical systems to maintain stable voltage under load.
• Internal regulator and fan: Built with an internal regulator (IR) and internal fan (IF) to simplify wiring and protect components.
• Durable construction: CNC machined castings and tested bearings are intended to meet OE fit and durability expectations.
• Simple install: The unit is compact and lightweight, and installation is straightforward for anyone comfortable adjusting belt tension.

Who It's For

This alternator is best for owners of 2.4L Acura TSX models from 2009 through 2014 and 2.4L Honda Accord models from 2008 through 2012 who need a cost-effective, direct replacement for a failing alternator. It will suit DIY mechanics, independent repair shops, and drivers who want to replace a malfunctioning OE unit with a similar spec part.

Customers who require a factory-new OEM part with guaranteed long-term longevity from a dealership or those who need a custom-built high-performance unit beyond OE specs should consider dealer options or specialty performance alternators instead.

Pros & Cons

Pros

• Works as a direct OEM-style replacement and generally fits the listed vehicles without modification.
• Provides solid charging capacity with a 130Amp rating suitable for added electrical loads.
• Many users report easy installation and good value compared with dealer pricing.
• CNC machined castings and tested bearings aim to match OE fit standards.

Cons

• Customer feedback is mixed on long-term durability, with some reports of early failures in a minority of units.
• A few users note noise concerns compared with original factory units, which may indicate variable manufacturing tolerances.

Specifications

Voltage	12V
Amperage	130Amp
Rotation	CW (Clockwise)
Regulator	Internal Regulator (IR)
Fan	Internal Fan (IF)
Pulley	7-Groove Pulley
OE Reference	104210-5890 / 06311-R50-505RM / 31100-R40-A01

Our Verdict

This alternator is a pragmatic, cost-conscious choice for TSX and Accord owners who need a like-for-like replacement that restores charging performance and is straightforward to install. It offers good value and the right specifications for these models, though buyers should be aware that a small number of units show quality variation over time, so confirming warranty and support before purchase is wise.

Frequently Asked Questions

Will this alternator fit my TSX or Accord?
It fits 2.4L Acura TSX models 2009-2014 and 2.4L Honda Accord models 2008-2012 as a direct OE-style replacement.

Is wiring or extra hardware required?
No extra regulator wiring is required because the alternator uses an internal regulator; basic belt tension adjustment and battery disconnection are the main steps.

What if the unit fails soon after installation?
Some customers reported early failures, so check seller warranty and technical support options before purchase to ensure coverage.