HAYIAUTO Alternator 130A 12V Replacement for Honda/Acura 3.2–3.7L (6-Groove, Internal Regulator)

HAYIAUTO 11151N is a 12V, 130A direct-replacement alternator built to match OEM fitment for select Honda and Acura V6 models, offering reliable charging and OEM-style mounting.

If your vehicle shows electrical warnings, dimming lights, or a drained battery, the alternator is often the culprit. The HAYIAUTO 11151N (part numbers including 11099, 11150, 11151 and related OEM cross-references such as 31100-RGL-A01) is designed as a high-performance replacement for a range of 3.2L–3.7L Honda and Acura engines. Manufactured from high-grade aluminum with CNC-machined castings, this unit delivers a robust 130A output, internal cooling fan, and an internal voltage regulator to restore charging system stability while matching OEM mounting points and pulley specification.

How will this alternator fit my vehicle?

The HAYIAUTO 11151N is engineered to match the factory specifications and bolt pattern for the listed Honda and Acura models. Fitment covers specific years and engine sizes—confirm your VIN or current alternator part number before ordering to ensure compatibility. Installation typically uses the same brackets, electrical connectors, and belt pulley configuration as the original unit.

• Compatible models: Acura MDX (2003–2009 variants noted), TL (2004–2008), RL (2005–2008); Honda Odyssey, Pilot, Ridgeline V6 3.5L (selected years)
• OEM cross-references included: 31100-RGL-A01, 31100-RGM-A01, 31100-RJA-A01, 104210-4300, and others
• Verify by matching part numbers, pulley grooves, and connector style before purchase

What are the technical details and performance specs?

This alternator outputs 130 amps at 12 volts, spins clockwise, and uses a 6-groove pulley that matches common accessory belt setups for these engines. The internal fan and internal voltage regulator work together to manage heat and maintain stable charging under normal driving loads. Bearings and critical surfaces are tested to OEM quality to reduce vibration and extend service life.

• Rated output: 130A / 12V
• Rotation: Clockwise; Pulley: 6-groove
• Cooling: Internal fan; Regulation: internal voltage regulator
• Construction: CNC-machined aluminum castings, OEM-grade bearings and lubricants

How does HAYIAUTO ensure quality and durability?

HAYIAUTO builds each alternator to meet or exceed OEM tolerances, using precision machining and accelerated cycle testing to identify weak points. Every unit undergoes electrical load testing, voltage-regulation checks, and heat-resistance cycling to confirm dependable operation out of the box. These inspections are intended to minimize premature failure and maintain steady vehicle electronics performance.

• Rigorous factory load and cycling tests
• Insulated stator/rotor windings to reduce short risk
• OEM-equivalent bearing tests and repackaging with proper lubricants

What should I know before installation?

Prior to installing, double-check the alternator part number, vehicle year, engine displacement, and connector types. Professional installation is recommended to ensure correct torque, belt tension, and electrical connections. If you notice warning lights, battery drain, or poor charging after installation, contact HAYIAUTO support or a qualified technician for diagnostic assistance.

• Confirm fitment with VIN or existing alternator part number
• Use a qualified mechanic for installation for best results
• Keep OEM mounting hardware and torque specs for proper alignment

Who is this for: The HAYIAUTO 11151N alternator is aimed at owners and mechanics servicing mid-2000s Honda and Acura V6 vehicles who need an affordable, OEM-style charging system replacement. It's suited for drivers experiencing battery or charging issues, independent repair shops, and DIYers comfortable verifying part numbers and performing alternator swaps. Always confirm compatibility for your exact year and engine before purchasing.