ILONPA Alternator 130A 12V for Honda/Acura 3.5L-3.7L (2008–2014) — Direct-Fit, Internal Regulator

High-output 12V, 130-amp alternator designed to replace factory units on select 3.5L and 3.7L Honda and Acura engines, restoring charging performance and electrical reliability.

If your vehicle is showing dimming lights, a weakened battery charge, or warning lights related to the charging system, this direct-fit replacement alternator from ILONPA is built to match OEM fit and function for many Honda and Acura models from 2008–2014. It offers the same mounting pattern, electrical connections, and pulley class as the original equipment so installation is straightforward for professional installers and experienced DIYers.

Which cars will this alternator work in?

This unit is compatible with multiple Honda and Acura applications that use 3.5L and 3.7L engines. Confirm year, engine size, and OEM part numbers before ordering to ensure an exact match.

• Honda Odyssey (2008–2010) 3.5L
• Honda Pilot (2009–2011) and Ridgeline (2009–2011) 3.5L
• Acura TL (2009–2014) 3.5L/3.7L, RL (2009–2012) 3.7L
• Acura TSX (2010–2014), MDX and ZDX (2010–2013) 3.5L/3.7L

What are the electrical and mechanical specifications?

This ILONPA alternator provides a 12-volt output and a 130-amp maximum charging current with a clockwise rotation and S6 pulley class. It includes an internal regulator and an internal fan, delivering the same core characteristics as the original unit for consistent charging under load.

• Voltage: 12 V
• Amperage: 130 A
• Rotation: Clockwise (CW)
• Pulley Class: S6; Clock position: 11 o'clock
• Regulator Type: Internal (IR); Fan Type: Internal Fan (IF)

Which OEM or reference numbers does this replace?

This alternator is a direct replacement for several common OEM and aftermarket reference numbers. Use these cross-references to verify compatibility with your vehicle and to communicate with your mechanic or parts supplier.

• Replaces factory numbers: 31100-RGW-A01, 31100-RGW-A01RM
• Aftermarket/parts cross-reference: 11391, AL1311X, 104210-5920, CSF92
• Check your current alternator label to confirm the match before purchasing

How reliable is this replacement and what warranty is included?

ILONPA alternators are manufactured and tested to meet durability and heat-resistance expectations for automotive charging components. The unit is bench-tested for output and basic performance to reduce the risk of premature failure under normal operating conditions.

• Quality checks include electrical output verification and durability testing
• Designed for sustained performance in typical engine bay temperatures
• One-year limited warranty — contact ILONPA if you experience issues

Who this alternator is for: professional technicians and car owners replacing a worn or failed alternator on compatible Honda and Acura models who want a cost-effective, direct-fit unit. It is suited for vehicles that require a 12V, 130A alternator with CW rotation and an S6 pulley; buyers should confirm engine displacement and OEM part numbers before purchase. If you need straightforward compatibility with commonly used reference numbers and a one-year warranty for peace of mind, this ILONPA alternator is a practical replacement option.