HOLDWELL Transmission Cooler Lines For 2001-2005 GMC Sierra & Chevrolet Silverado 2500 HD 6.6L Duramax

About This Product

If you're driving a 2001-2005 GMC Sierra 2500 HD or Chevrolet Silverado 2500 HD with that 6.6L Duramax LB7 or LLY engine, these HOLDWELL transmission cooler lines are exactly what you need. Part number FPE-TL-LB7-LLY (also known as 21101404) drops right in place of your old, worn-out lines. We all know how transmission lines can get after years of heat and vibration - these are built to handle the tough conditions these heavy-duty trucks work in. Perfect replacement for when yours are leaking, corroded, or just not performing like they used to. Installation is straightforward if you're handy, but as always, make sure you've got the right tools and maybe a friend to help. Keep your transmission running cool and your truck on the road with these direct-fit cooler lines.