ILONPA Alternator for Honda & Acura V6 3.5L/3.7L (2003–2009) — 12V 80A Direct-Fit Replacement, CW Rotation

If your vehicle’s battery warning light is on, electrical accessories are dimming, or diagnostics point to alternator failure, this ILONPA replacement alternator is a direct-fit option for many Honda and Acura V6 models. Built to match OEM mounting and electrical specifications, it offers 12 volts, clockwise rotation, and an 80-amp output. The unit is compatible with multiple factory part numbers, making it a practical replacement for Odyssey, Pilot, Ridgeline, MDX, RL and TL models listed below.

Which cars and model years does this alternator fit?

This alternator fits a range of Honda and Acura vehicles equipped with 3.2L, 3.5L and 3.7L engines across the mid-2000s. Confirm fitment by checking engine size and model year against the vehicle list and part references before ordering.

• Honda: Odyssey 3.5L (2005–2007); Pilot 3.5L (2005–2008); Ridgeline 3.5L (2006–2008).
• Acura: MDX 3.5L (2003–2006) and 3.7L (2007–2009); RL 3.5L (2005–2008); TL 3.2L (2004–2008) and TL 3.5L (2007–2008).
• Cross-references include OEM numbers such as 31100-RDJ-A01, 31100-RGL-A01 plus many aftermarket codes listed with the product.

How does this alternator match OEM specifications?

The ILONPA unit mirrors critical OEM electrical and mounting specs so it installs and functions like the original. It uses an internal regulator and a standard S4 pulley class with integrated fan to maintain charging performance under load.

• Voltage: 12V; Amperage: 80A for typical accessory loads.
• Rotation: Clockwise (CW) and clock position 2 for correct belt alignment.
• Regulator type: Internal (IR); Fan type: Internal Fan (IF); Pulley class: S4.

What installation and compatibility checks should I do before buying?

Measure the current unit and compare mounting points, electrical plug shape, and pulley size to ensure a hassle-free swap. Also validate the part numbers and vehicle engine size to avoid returns.

• Verify engine displacement (3.2L / 3.5L / 3.7L) and model year match the fitment list.
• Compare OEM or old-part numbers against the replacements (e.g., 104210-3100, A-80032, CSD29).
• Check belt routing and pulley class (S4) for serpentine belt compatibility.

What warranty and quality checks come with this alternator?

ILONPA tests alternators for durability and heat resistance to ensure consistent charging life. A one-year warranty covers defects—contact the seller for support if fitment or function problems arise after purchase.

• Tested for reliability and performance in higher-temperature environments.
• One-year limited warranty from purchase date; keep proof of purchase for claims.
• Customer support recommended to confirm model and part number pre-purchase.

Who is this for: This ILONPA alternator is intended for owners, mechanics, and fleet operators who need a dependable, direct-replacement charging unit for compatible mid-2000s Honda and Acura V6 vehicles. Choose this unit if you need an alternator that matches OEM mounting and electrical specs (12V/80A, CW rotation) and want the reassurance of pre-shipment testing and a one-year warranty. Always verify your vehicle’s engine size and original part number before ordering to ensure correct fitment.