Deviant 73411 1/2" Transmission Cooler Repair Lines For 01-05 GM Duramax

$243.00 $270.00
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Deviant Race Parts Transmission Repair lines for 01-05 GM 6.6L Duramax equipped Pickups with the Allison 1000 Transmission.

GM's factory transmission lines leave something to be desired. DRP saw a need to build a high-quality, LIFETIME WARRANTED part that completely replaces the OEM lines. With thousands sold, we can say we've solved the problem.


  • 1/2" Industrial Strength Hydraulic Lines
  • All necessary fittings and adapters to bolt up to factory locations
  • Full, step by step, instructions

To download installation instructions click here.