Am General Remanufactured Transmissions

Welcome to the Certified Transmission website’s page with information about our remanufactured transmissions for the AM General Hummer. If you drive a Hummer with a 6.5 diesel engine and need a 4L80E transmission you have come to the right place!

Am General Transmission Locator

Certified Transmission offers the following resource for identifying the correct transmission for your Am General vehicle. Begin by choosing the Am General model listed below to find the correct remanufactured transmission for your Am General.
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Select distinct car_model from transmissions_new where car_make = 'Am General' and car_model not like '%Country%' order by car_modelHummer
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14 Retail Store Locations

Certified Transmission owns 14 full-service store locations in Nebraska, Iowa, Kansas, and Missouri. Our stores are staffed with specialists dedicated to getting "The Job Done Right...At The Right Price".

  • Omaha (5)
  • Lincoln (1)
  • Kansas City (7)
  • Topeka (1)

Coast to Coast Locations

Certified Transmission has partnered with leading automotive repair specialists located throughout the continental United States that sell and install our top-quality remanufactured transmissions.