Fleece Performance 17-19 L5P Duramax Heavy Duty Transmission Cooler lines no-prop65 A transmission that runs cool

A transmission that runs cool will last longer than one that's always hot

The Banks engineers carefully examined the stock Duramax intercooler

2020 GMC Sierra 2500 HD SLE

2016 Jeep Wrangler Sahara

Oil Color Red

Fleece Performance 17-19 L5P Duramax Heavy Duty Transmission Cooler lines no-prop65 A transmission that runs coolReplace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your L5P truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase overall flow and protect against future failures. Kit Includes: (3) 5 8" ID transmission lines with AN fittings (6) 7 8" 14 O ring to 10AN fittings (2) Large OD washers