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DHD 100-681 Flexible Transmission Cooler Line Kit 2001-2005 Duramax LB7 LLY

100-681 - 7C
Fits LB7 LLY
Not Available
Was: $269.00
Sale: $235.00
Save: 13%
Save: $34.00


If our hardcore hooker line sets don't fit your budget, consider replacing your hard lines with these flexible hose kits. Our flex cool hose kits are constructed of super durable hydraulic hose and comes with all the fittings you might need to complete the install. 


  • Heavy Duty Steel Braided Hydraulic Hose
  • Industrial JIC Steel Swivel Fittings
  • Eliminates Leak Prone Push Connect OE Cooler Line Fittings
  • Hose rated @ 300 PSI Working & 1200 PSI Burst
  • Includes all 3 Hoses, Transmission to Radiator, Radiator to Front Cooler, Front Cooler to Transmission
  • Each fitting package is hand selected by DHD staff so you get the right fittings, every time.
  • Includes Small and Large Port Bellhousing Fittings Specific to LB7 LLY trucks.
  • Includes Multiple Aux. Cooler Fitting Options (Match Threads to Original)


You may need to order Setrab M22 Metric Fittings if you have an aftermarket Radiator or Aux Cooler.

Instructions: CLICK HERE



Shipping Information

  • Item Requires Shipping
  • 14.0 lbs.
  • W16.0000” x H16.0000” x L4.0000”
  • Free Shipping

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