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HAA350+, HAA450, HAA550

HAA350+, HAA450, HAA550 Transfer Case Parts

The HAA350+, HAA450, and HAA550 transfer cases are built and used in Audi vehicles. The HAA350+ is specifically the transfer case for Audi A3, Audi S3, and Audi TT vehicles. Parts included in the Transfer Cases for the HAA350+ include:

  • Bearing Kits
  • Sealing Kits
  • Taper Bearing
  • Radial Seal Gearing
  • Shim
  • Shaft Flanges
    • Note: The HAA350+ and other transfer cases are designed for 4 wheel drive versions of the above vehicles. Unfortunately, for Audi TT's, the original Tiptronics transmission was a source of frustration for many Audi owners; especially those with vehicles with upwards of 70,000 miles logged on the odometer. These transmissions had a habit of failing, especially the shift fork between 1st and 2nd gear, despite being rated for much higher horsepower amounts. Quick fixes to the 6sp 02m and 5sp 02m can be made prior to major transmission failure to shore up the weakness in the original design flaw.
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