SEHNSUCHT Alternator for Toyota 3.5L V6 – 150A 12V Direct Replacement (Sienna/Highlander 07–16)

The SEHNSUCHT 11326 is a brand-new 12V, 150A direct-replacement alternator engineered for Toyota and Lexus 3.5L V6 vehicles including Sienna and Highlander models from the 2007–2016 range.

This aftermarket alternator is built to match OE electrical output and fitment for select Toyota and Lexus 3.5L V6 engines. With a rugged aluminum casing, 100% pure copper windings, and a 7PK pulley, the unit is designed to deliver stable charging, quiet operation, and long service life. It replaces several OEM part numbers so installation is straightforward for mechanics and DIYers who need a reliable swap-in alternator.

Will this alternator fit my vehicle and which engines are supported?

This model specifically fits 3.5L V6 (6V 3456CC) applications. Confirm your vehicle’s engine displacement and model year before ordering to ensure compatibility.

• Compatible models: Toyota Sienna 3.5L (2007–2016), Toyota Highlander 3.5L (2011–2016)
• Also fits: Toyota Venza 3.5L (2010–2015), Lexus RX350 3.5L (2010–2014), Lexus ES350 3.5L (2016–2018)
• Replacement for OEM numbers including 104210-5510, 27060-0P210 and related variants

What are the electrical and mechanical specifications I should know?

The SEHNSUCHT 11326 is specified to deliver dependable charging for modern vehicle electrical systems. It is designed to meet typical OE electrical demands while offering quiet operation and heat management.

• Output: 12 V, 150 A — suitable for factory electrical loads
• Rotation: Clockwise (CW); Pulley class: 7PK belt
• Terminal/B+ location: labeled B+: 4:00 on the housing for correct wiring alignment

How does build quality affect performance and maintenance?

This alternator uses materials chosen to reduce wear and thermal stress, which helps maintain charging consistency and minimizes noise. Those construction choices also simplify long-term upkeep and lower the risk of premature failure.

• Aluminum alloy housing for improved corrosion resistance and heat dissipation
• 100% pure copper stator windings for steady output and reduced electrical noise
• Factory-style fitment to avoid additional modifications during installation

What should I expect from installation and after-sales support?

The unit is manufactured to be a direct replacement for specified OEM alternators, enabling a straightforward swap when matched to the correct engine and year. SEHNSUCHT provides technical resources and after-sales assistance to help with fitment and troubleshooting.

• Direct-replacement design for many OEM part numbers to streamline installation
• Technical documentation and installation guidance available from the manufacturer
• Customer support and warranty/after-sales channels to address fitment or performance questions

Who is this for: The SEHNSUCHT 11326 alternator is aimed at vehicle owners, repair shops, and professional mechanics seeking a high-capacity, OE-style replacement for Toyota and Lexus 3.5L V6 vehicles. It’s appropriate for people who want a durable, quiet-charging alternator with standard mounting and electrical connections—especially those replacing a worn or failed 150A OE unit in the supported model years.