10AN Braided Transmission Cooler Lines Kit For 2006-2010 Chevy/GMC Duramax 6.6L With Allison Transmission

About This Product

Duramax owners with 2006-2010 LLY, LBZ, or LMM models, listen up - if you're dealing with leaky factory transmission cooler lines, this upgraded 10AN braided hose kit is the permanent solution you need. These lines are seriously heavy-duty with double steel braiding and an abrasion-resistant exterior that prevents expansion under high pressure and protects against wear and tear. The 1/2-inch inlet diameter ensures smooth fluid transfer for better cooling efficiency, which is crucial for keeping your Allison transmission running cool under load. The specs are impressive - 380 bar working pressure (5,500 PSI) and 950 bar burst pressure (13,800 PSI), so these can handle anything your Duramax can throw at them. The zinc-plated steel hose ends are crimped on professionally, not cheap aluminum, so you won't have to worry about corrosion or failure. Installation is pretty straightforward if you have basic mechanical skills - the fitting thread is 7/8-14, though vehicles with aftermarket coolers might need additional M22 1.5 x -10 fittings. These lines replace those problematic factory lines that are known for developing leaks over time, saving you from messy antifreeze spills and potential transmission damage from overheating. The black finish looks clean under the hood, and the flexibility makes routing much easier than rigid lines. Whether you're towing heavy loads or just want peace of mind, upgrading to these heavy-duty cooler lines is one of the smartest preventative maintenance moves you can make for your Duramax. Your transmission will run cooler and last longer with these quality lines handling the fluid transfer duties!