GDSMOTU Alternator for Honda Accord & Acura TSX 2.4L — 130A High-Output Direct-Fit with 7-Groove Pulley

GDSMOTU's 100% new 130-amp alternator replaces OEM units for 2.4L Honda Accord (2008–2012) and Acura TSX (2011–2014) models to restore charging performance and electrical reliability.

This heavy-duty replacement alternator is engineered as a direct-fit, high-output unit for specified L4 2.4L engines. Machined die-cast aluminum housings, pure copper windings and precision-built bearings match OEM dimensions and mounting points so installation is straightforward. The assembly includes an internal regulator and 7-groove pulley to mirror factory specifications and deliver consistent 12V charging at up to 130 amps.

Which vehicles does this alternator fit?

This GDSMOTU alternator is designed for a range of Honda Accord and Acura TSX models with the 2.4L L4 engine. It covers coupe and sedan body styles and multiple trim packages across model years listed by the manufacturer.

• 2008 Accord LX Coupe (2-door)
• 2008–2012 Accord coupe and sedan trims (EX/EX-L/LX/LX-S/SE)
• 2011–2014 Acura TSX variations including Base, A-Spec, Tech, Premium, Wagon
• Confirm fit by matching year, make, model, trim and engine before purchase

How does this alternator match OEM parts and numbers?

GDSMOTU measures installation-critical surfaces and tests bearings to OEM tolerances so the unit mounts and connects like the factory part. It is supplied to replace a variety of OEM numbers used across Honda and Acura applications.

• Replaces common OEM references such as 31100-R40-A01 and 104210-5890
• Dimensions and electrical outputs verified to meet factory specifications
• 100% tested bearings and contact points for reliable fit and operation

What are the key technical features and performance specs?

The alternator provides stable electrical output under load with built-in protections to reduce the chance of overheating or overload. Designed with long-life materials, it supports vehicle electrical systems and battery charging demands.

• Output: 130 A at 12 V; rotation: clockwise (CW)
• Pulley: 7-groove; regulator type: internal (IR); fan: IF for cooling
• Construction: die-cast aluminum housing, pure copper windings, CNC-machined castings
• External insulating coating on windings to help prevent shorts

When should I consider replacing my alternator with this unit?

Replace the alternator if you notice recurring battery draining, dimming headlights or intermittent electrical faults. Swapping to a tested, direct-fit unit restores charging capacity and helps avoid roadside failures.

• Signs: dead or repeatedly dying battery, dashboard lights flicker or dim
• Preventive replacement recommended for older originals showing wear or noise
• Easy swap-in for DIY mechanics and professional shops using factory mounting points

Who is this for? This GDSMOTU alternator is intended for owners and technicians servicing 2.4L Honda Accord and Acura TSX vehicles who need a reliable, OEM-compatible replacement. It suits drivers who want a high-output, fully tested unit with factory-equivalent fit and electrical performance, and it’s appropriate for workshops performing maintenance or roadside repairs. Always verify the vehicle year, trim and engine code to ensure compatibility before ordering.