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MMTCL-DMAX-01 Mishimoto Transmission Cooler Lines - GM 2001 - 2005

Mftr. Part#: MMTCL-DMAX-01
Manufacturer: Mishimoto
Mishimoto's New Transmission Cooler Line Kit for your 2001-2005 GMC/Duramax LB7/LLY the high-strength nylon outer braid avoids expansion under extreme pressure and prevents abrasion

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Does it really matter how powerful or reliable your truck is if you can't get any power to the wheels? The transmission in your 2001-2005 Duramax is crucial to everything your truck does and keeping it cool is essential. Upgrade your transmission cooler lines to these high-performance ones made with the most durable PTFE line wrapped in a high-strength nylon braid. The PTFE line is exceptionally oil and heat resistant for durability in even the harshest environments.


  • Direct fit for all 2001–2005 Chevrolet/GMC 6.6L Duramax (LB7/LLY)
  • Extremely oil and heat resistant PTFE line
  • High strength nylon outer braid
  • Working pressure of 2,000 psi and burst pressure of 6,000 psi
  • High-flow -10AN lines and fittings ensure high flow while preventing leaks
  • Includes -10AN to M22x1.5 fittings for use with many aftermarket radiators
  • Fits with Mishimoto transmission coolers
  • Mishimoto Lifetime Warranty