High Output Alternator for Lexus RX350 (2007-2009) 3.5L

High-Reliability Direct-Fit Alternator for 2007-2009 Lexus RX (XU30)

What it Does: The replacement high output alternator restores consistent 130A electrical charging on the 2007-2009 Lexus RX to prevent battery drain, eliminate voltage ripple, and stabilize auxiliary electrical systems.

The Stock Lexus RX Electrical Shortcoming

In the cramped engine bay of the XU30 chassis, radiant manifold heat severely degrades the factory internal regulator (IR) and diode rectifier over time. On the 3.5L 2GR-FE, aging stock units typically suffer from slipping one-way decoupler bearings, carbon brush erosion, and diode thermal breakdown, leading to dimming headlights, slow cranking, parasitic drains, and erratic CAN-bus communication faults.

The Engineering Solution

This 100% brand-new unit eliminates fatigue-related charging collapse. Built with a high-grade aluminum and steel casing, it features an internal cooling fan (IF) optimized for high-temperature durability, pure copper stator windings, and a precision solid-state internal regulator. It arrives complete with a factory-spec 7-groove one-way decoupler clutch pulley and standard 4-pin oval connector, directly replacing 27060-31110 and 104210-4570 without wire splicing or bracket modification.

What's Included

• 1 × Alternator 12V 130A with Pre-Installed 7-Groove Decoupler Pulley

Technical Specifications

Compatibility

• 2007 Lexus RX350 Base 3.5L V6 (FWD/AWD)
• 2008 Lexus RX350 Base 3.5L V6 (FWD/AWD)
• 2009 Lexus RX350 Base 3.5L V6 (FWD/AWD)

Frequently Asked Questions & Fitment Warnings

Does this fit the XU30 RX?

Yes, this is a direct fit for the 2007-2009 Lexus RX equipped with the 2GR-FE 3.5L engine; it does not fit older 3.3L 3MZ-FE (RX330/RX400h) hybrid models.

Is the decoupler pulley pre-torqued and ready for installation?

Yes, the 7-groove freewheel decoupler pulley comes fully installed and torqued to factory specifications right out of the box.

The Lexus Engineering Standard

Japanese luxury crossovers rely heavily on uncompromised electrical precision to drive sensitive cabin modules, electric steering racks, and active suspension components. This charging assembly ensures factory-spec amperage flow with zero compromise.