Description
Fits
Year | Make | Model | Engine |
2017 - 2019 | GM | 2500/3500 | LP5 6.6L Duramax |
Swap out your leaky transmission lines with these top - notch, heavy - duty, high - flow, and flexible transmission lines. This is the most comprehensive replacement kit for your LML truck! With a larger diameter than the stock and a heavy - duty hose wrap, these lines boost overall flow and prevent future failures.
Part Number: FPE - TL - L5P - 1719
Features
- Heavy - duty construction
- High - flow design
- Flexible for easy installation
- 5/8' hose with increased diameter
- Explosion - proof polyester hose protection sleeve
Includes:
- (3) 5/8' ID transmission lines with AN fittings
- (6) 7/8'- 14 O - ring to - 10AN fittings
- (2) Large OD washers
- Double hose clamps
- Locking cable ties and fir tree cable clamps
Notes
- Not suitable for Cab and Chassis applications
Installation
Warranty
- 1 - year warranty (parts only)


Using this transmission cooler line set is easy. First, make sure your vehicle is turned off and cooled down. Locate the old transmission lines and carefully remove them. Then, install the new lines from the kit in their place. Make sure all fittings are tightly secured. Note that this set is not for Cab and Chassis applications. For maintenance, regularly check the lines for any signs of wear or leaks. If you notice any issues, it's best to replace the affected parts right away. The kit comes with a 1 - year parts - only warranty, so if something goes wrong within that time, you can get a replacement part.