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Fleece Heavy Duty Transmission Cooler Lines FPE-TL-L5P-1719
PART#
FPE-TL-L5P-1719 | SKU FPE-TL-L5P-1719
★★★★★
Vehicle Fitment For:
2017-2019 GM 6.6L Duramax L5P
See full application list below
$329.99
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Description
The Fleece FPE-TL-L5P-1719 Heavy Duty Transmission Cooler Lines will replace the leaking transmission cooling lines for your 2017-2019 GM 6.6L Duramax L5P. Your old, leaking transmission lines will be replaced by these robust, flexible lines that flow better than the stock lines. For your Duramax truck, this kit is the most complete set of replacement lines available. Due to their larger diameter than standard these lines will boost overall flow and the heavy-duty hose wrap will provide protection against future failures.
Features:
- 5/8" Diameter Hose
- Burst Proof Hose Wrap
- Increased Diameter Over Stock Hose
Note: Not for use on Cab and Chassis applications.
Kit Includes:
(2) Large OD washers
(6) 7/8""-14 O-ring to -10AN fittings
(3) 5/8"" ID transmission lines with AN fittings
Double hose clamps, locking cable ties, and fir tree cable clamps
Manufacturer Warranty*:
1 Year
1 Year
Instructions & Tech Info
Installation Info
Reviews For Fleece Performance FPE-TL-L5P-1719
Overall Rating
/5
5 Reviews
Rating Snapshot
5
0
0
0
0
Verified Buyer
Fleece trans lines
Collin (Michigan) | March 22nd, 2025
Super easy to install and paired with PPE cooler trans is running about 140 on a warm day
Verified Buyer
Way better then stock
David (Kentucky) | June 2nd, 2024
The lines were high quality and way better then OEM, would recommend to anyone.
Verified Buyer
Great Product with Easy Installation
Richard Blowes (Rockport, Tx) | March 23rd, 2024
I had a Tranny Line leak on the Return Line from my Transmission Cooler. I'm a Canadian Snowbirding in Texas, so did not have access to my Shop and Tools. I found a highly recommended Transmission Shop near me. He had time to move my Job ahead of some others so we could tow our RV back to Canada in a week. I showed Jeff, the Tranny Shop owner, the Flex Line option and he said to order it because it would be quicker and easier to install than replacing with Stock Lines. The Kit arrived in 2 Days as I did pay the extra for Shipping due to our urgent need. Jeff was very impressed with the Quality of the Product and the PDF Instructions. He was so impressed, that he will be ordering a set of the Flex Lines for his own Duramax Allison Chevy 2500 and installing them before his Stock Lines fail and recommending them as an option on future customer vehicles. Jeff is a One-Man Shop who has been in the Transmission Rebuild business for over 30 years and if he was impressed, then you know this is a good kit
Verified Buyer
Better then stock
J&J Diesel (Nj) | July 27th, 2023
Lines fit exactly like the directions. Well made product to replace all oem transmission lines and eliminate the problematic transmission thermostat and transmission line rubbing issues.
Verified Buyer
Justin
JC (1942633) | March 12th, 2023
These are a must and this company is great to deal with they have all the parts you need and their customer service is awesome.
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Specifications For Fleece Performance FPE-TL-L5P-1719
MPN
FPE-TL-L5P-1719
SKU
FPE-TL-L5P-1719
GTIN
670875718111
ID
82547
Manufacturer Name
Fleece Performance
Shipping Weight
6.00 lb.
Shipping Length
14 in.
Shipping Width
14 in.
Shipping Height
5 in.
Fuel Type
Diesel
Manufacturer Warranty*
1 Year
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Internal
L10R6
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