Item was dispatched quickly, was well packaged and at a fair price if not a great deal. It wasn't that difficult to install, but it didn't solve the problem it was supposed to solve. Apparently, dust is collecting on the mechanism that opens and closes the air damper inside the heater housing, causing it to bind. This lever and gear arrangement should increase the mechanical advantage when working with the dashboard temperature control knob. It can be done, but not enough to make it workβ¦