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      Total
      Customer Reviews
      5.0 Based on 9 Reviews
      5 ★
      100% 
      9
      4 ★
      0% 
      0
      3 ★
      0% 
      0
      2 ★
      0% 
      0
      1 ★
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      Filter Reviews:
      TD
      04/29/2022
      Todd D.
      United States

      2009 GMC w/built trans

      So far so good . Great product with no leaks and great fit. I will be buying more for the fleet.

      NM
      03/24/2022
      Nick M.
      United States United States

      10 days old

      Excellent so far , easy install , I just hope it last for 100,000 miles . The instructions book text and pictures little bigger for the old people:)

      IG
      02/08/2022
      Ismael G.
      United States United States

      Awesome upgrade

      The instructions provided were great. The quality of all the parts in this kit are very high quality. I have more confidence in my truck knowing this kit is installed. Highly recommended!

      Deviant Race Parts Deviant 73420 5/8 Transmission Cooler Repair Lines for 2006-10 GM Duramax 6.6L ReviewDeviant Race Parts Deviant 73420 5/8 Transmission Cooler Repair Lines for 2006-10 GM Duramax 6.6L Review
      TH
      01/25/2022
      Toby H.
      United States United States

      Fit perfect

      The kit was excellent. All lines were heat shrink capped for cleanliness as well as the fittings were all capped.

      AW
      08/23/2021
      Austin W.
      United States United States

      Great

      They were easy to install and no leaks at all. So far I really like them.