HAYIAUTO 150A 12V Replacement Alternator for Toyota & Lexus 3.5L V6 — 7-Groove Pulley, Direct-Fit

HAYIAUTO 11326 is a direct-fit 150A, 12V replacement alternator engineered to restore reliable charging for compatible Toyota and Lexus 3.5L V6 models.

This premium aftermarket alternator is built to match OEM mounting, electrical connections and performance for a range of Toyota and Lexus vehicles that use the 3.5L V6 (3456cc) naturally aspirated engine. Machined aluminum components, internal voltage regulation and factory-style pulleys give you a straightforward swap that brings charging output back to specification while helping reduce downtime and repeat visits.

Will the HAYIAUTO 11326 alternator fit my vehicle?

Compatibility covers many Toyota and Lexus 3.5L V6 models, but fitment depends on part numbers, optional equipment and year. Always cross-check the part number and visual connectors against your original alternator before ordering.

• Fits: Toyota Highlander (2008–2016), RAV4 (2009–2012 with V6/towing), Sienna (2007–2016), Venza (2009–2016).
• Also fits: Lexus ES350 (2013–2018, select) and RX350 (2010–2015, select).
• Common part numbers referenced: 11326N, 11326R, 27060-31161, 104210-2141 and related OEM codes.
• Check pulley grooves, plug orientation and mounting ear position to confirm fit.

What are the electrical and mechanical specifications?

This alternator is rated at 150 amps and 12 volts with a clockwise rotation and a 7-groove pulley, providing the output needed for modern V6 accessory loads. It uses an internal fan and internal voltage regulator to mimic OEM electrical behavior while simplifying installation.

• Output: 150A, Voltage: 12V.
• Rotation: CW (clockwise); Pulley: 7-groove.
• Cooling: internal fan; Regulation: built-in voltage regulator.
• Mounting: OEM-style bolt locations and rear-plug clock orientation, main ear at 6 o'clock.

How does HAYIAUTO ensure durability and performance?

HAYIAUTO combines precision CNC castings, high-grade aluminum housings and OEM-spec bearings to deliver a durable replacement unit. Each alternator undergoes load, cycling and heat-resistance tests to verify voltage regulation and longevity under real-world conditions.

• Precision CNC machining reduces vibration and wear for longer life.
• Bearings tested and lubricated to OEM standards for smoother operation.
• Rotors and stators sealed with insulating coatings to prevent shorts.
• Factory-level electrical testing ensures stable voltage output under load.

Can I install this alternator myself, and what should I check before buying?

Experienced DIYers with the right tools can install this alternator, but proper electrical testing and torque specs matter. If you’re unsure, have a qualified technician perform the replacement to avoid damage and ensure correct charging system setup.

• Verify part number, plug shape and pulley groove count against your current unit.
• Inspect battery condition and charging connections while replacing the alternator.
• Use OEM torque values and a belt tension gauge for correct installation.
• If warning lights or electrical issues persist after installation, consult a technician.

Who is this for: The HAYIAUTO 11326 alternator is designed for owners and mechanics needing a high-output, OEM-compatible replacement for Toyota and Lexus 3.5L V6 vehicles. It’s suited to drivers restoring charging performance after alternator failure, workshops seeking a cost-effective aftermarket alternative, and anyone requiring a direct-fit unit that matches OEM mounting and electrical characteristics. Remember to confirm fitment with your vehicle’s year, engine and part number before purchase, and consider professional installation if you are not experienced with automotive electrical systems.