Mechman high output alternators · Authorized dealer

Toyota Sienna High Output Alternators

A Sienna works harder than most people expect: school runs with rear screens glowing, road trips with an inverter running, and camper or mobility conversions with their own power needs. A Toyota Sienna high output alternator gives the 3.5L V6 the charging capacity to match. Mechman lists 320 Amp and 240 Amp units for 2007-2016 models.

  • 2 products
  • 2007–2016
  • 240–320 Amp
All Toyota alternators

2 products

Family Hauler or Camper Upfit

Minivans pick up electrical loads in two ways. Families add rear entertainment, multiple charging ports, a cooler and dash cameras. Upfitters turn Siennas into compact campers with a house battery, a fridge, lighting and an inverter, or into mobility vans with powered equipment. Either way, a Toyota Sienna high output alternator refills the batteries faster during the drive, so power is ready at the campsite or the next stop.

Selecting an Output for the 3.5L

  • 240 Amp: for family electronics, a cooler and a modest audio upgrade.
  • 320 Amp: for camper conversions with a house battery, an inverter or a larger stereo.

Both Mechman high output alternators listed here fit the 2007-2016 Sienna with the 3.5L V6. Confirm your year and engine in the vehicle finder above the products.

The same series is listed for the Toyota Avalon and Lexus RX350. For a camper build, add a deep-cycle house unit from our batteries collection, and see other models on the Toyota alternators page.