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75420 Deviant Transmission Cooler Lines - 5/8" Lines - GM Duramax 2011-2014

2011 - 2014 GM 6.6L Duramax LML
Manufacturer: Deviant Race Parts
SKU: DRP75420

Product Details (click to expand)

Manufacturer Part#: 75420
UPC: 887753065353
Weight (lbs.): 10.25 lbs.
Dimensions 4.00" x 14.00" x 14.00"

Product Specifications (click to expand)

Product Type Transmission Cooler Lines
Line Size 5/8"
Transmission Type Allison A1000
Free shipping
$399.00 (CAD)

Deviant Race Parts LEAK FREE Transmission Repair lines for 11-14 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 replace the OEM lines. With thousands sold, we can say we've solved the problem.


  • 1500psi rated Industrial Strength Hydraulic Lines
  • All necessary fittings and adapters to bolt up to factory locations
  • Full, step by step, instructions
  • 2 out of 5 wrenches (1 wrench being easiest)
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