Deviant "Hot AF" Sale going on now until Aug 31st
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      Customer Reviews
      4.3 Based on 6 Reviews
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      BB
      06/23/2021
      Brian B.
      United States
      Good product, Great company

      The line kit has very easy to follow instructions and all the parts included.

      Deviant Race Parts Deviant 73410 Transmission Cooler Repair Lines For 2006-2010 GM Duramax equipped Pickups Review
      JC
      05/06/2021
      Josh C.
      United States United States
      Trans issues after line swap.

      I replaced my leaking stock lines on my lbz with these. Replaced fluid and filters at the same time. Now my trans is slipping and temps are extremely higher than before. I was told by a reputable trans shop that the 90* fittings could be an issue. Can someone email me the size of the fittings so i can replace them all with 45* or sweeping 90s? I can update my review after that to advise if this is my actual issue.

      CW
      05/04/2021
      Cathy W.
      United States United States
      Harder than expected

      It took much longer than expected. Change instructions to 4-6 hours. Cutting existing lines and removal was harder than expected. Instructions should also say to remove right fender well along with front skid plate for better access to fittings. Be careful when putting fittings into radiator, if you install 1 at a time and tighten then antifreeze will go everywhere if internal lines is dislodged.

      MB
      03/23/2021
      Mike B.
      United States United States
      Heavy Duty

      Just installed the 1/2 inch lines. Great instructions and pretty straightforward install. I haven’t done much work on my truck but it’s pretty much new plumbing so I felt comfortable tackling it!

      KT
      02/10/2021
      kelly t.
      Canada Canada
      Transmission lines

      Still haven’t received them