2008-2009 Audi TT L4 2.0L High Output Alternator

Fitment:

There are two different style alternators for this vehicle in which you will choose the Mount A or B option listed below. Once you click an option the pictures will reflect what style alternator it is in which you will need to confirm it is the correct style for your vehicle.

Mount A: This is a direct fit high-output alternator for the 2008-2009 Audi TT 2.0L. This alternator is a custom built alternator made with custom fabricated brackets that are laser cut to precision. With our teams dedicated innovation, we have been able to design custom brackets for direct fitment.

Mount B: This is a direct fit high-output alternator for the 2008-2009 Audi TT 2.0L. Being a direct fit, this alternator fits directly into your stock alternator location. There are two different style alternators for this vehicle in which you will choose the Mount A or B option listed below. Once you click an option the pictures will reflect what style alternator it is in which you will need to confirm it is the correct style for your vehicle

Plug:

Mount A: This high-output alternator comes with a 14.8 GM Style Regulator with a pigtail wiring harness. The pigtail plugs directly into the alternator, and you’ll have to wire the pigtail into the factory wiring.

Mount B: This high-output alternator comes with a 14.8 GM Style Regulator with a pigtail wiring harness. The pigtail plugs directly into the alternator, and you’ll have to wire the pigtail into the factory wiring.

NOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. View our Regulator Options Here.

Pulley:

This alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1/2" - 1" shorter belt.

See this Blog Article for assistance in finding the correct shorter belt.

Big 3 Wiring:

When Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the Big 3 Wiring Upgrade Kit. It is recommended to use 1/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code BIG3DISCOUNT at checkout.

Learn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators