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Fleece Allison Transmission Cooler Lines FPE-TL-LB7-LLY
PART#
FPE-TL-LB7-LLY | SKU FPE-TL-LB7-LLY
★★★★★
Vehicle Fitment For:
2001-2005 GM 6.6L Duramax LB7/LLY
See full application list below
$289.99
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Description
The Fleece FPE-TL-LB7-LLY Allison Transmission Cooler Lines fix the leaking or damaged transmission lines in your 01-05 GM 6.6L Duramax LB7 & LLY. These heavy-duty, high-flow, flexible transmission lines are just what you need for trouble-free performance from your Allison Transmission. It includes all of the necessary fittings whether your truck is running a stock radiator or Setrab equipped radiator.
Features:
- High-Flow & Flexible
- Heavy-Duty Transmission Lines
- Includes All Necessary Fittings
- Works On Stock Radiator Or Setrab Equipped Radiator
Kit Includes:
- 5/8" ID Transmission Lines
- (6) 7/8"-14 O-Ring To -10AN Fittings
- (2) 3/4"-16 O-Ring To -10AN Fittings
- (2) 1/2" NPT To -10 AN Fittings
- (2) M22x1.5 To -10AN Setrab Fittings
- (2) Large OD Washers
- (1) Double Hose Clamp
- (2) Locking Cable Ties
Note: Fleece FPE-TL-ST Setrab Fittings are included for installation on trucks with aftermarket radiators. Due to the many possible combinations, fitment is not guaranteed on non-stock components.
Manufacturer Warranty*:
1 Year Limited
1 Year Limited
Instructions & Tech Info
Installation Info
Reviews For Fleece Performance FPE-TL-LB7-LLY
Overall Rating
/5
6 Reviews
Rating Snapshot
5
1
0
0
0
Verified Buyer
LB7 Transmission cooling lines
JJL (California USA) | February 18th, 2026
Instructions to attach witch fittings to the radiator could have been clearer. But other than that it is a Great kit.
Verified Buyer
Fleece Transmission Lines
Ricky (KY) | March 31st, 2025
Just an easy fix for the leaking GM hard lines.
Verified Buyer
Transmission lines
Kevin (ID) | August 12th, 2024
Had to replace my trans so I replaced the lines and cooler along with it. Easy install and peace of mind knowing the leaky factory lines aren't a worry anymore.
Verified Buyer
2314517
Dristen young (Ky) | July 21st, 2024
Overall was a great product and fit great. Instructions could’ve been better but other than that no complaints.
Verified Buyer
Great
Jake | February 2nd, 2024
Very good quality and very easy to install.
Verified Buyer
Fleece performance transmission cooler lines LLy and Lb7 , order # 2183030
Harold (Bath, New York) | January 31st, 2024
Great product, it is my 3rd set. Easy install and durability. I have these on my own truck and 2 of my customers trucks.
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Frequently Asked Questions
Will this fit a factory radiator?
Yes, the Fleece Allison Transmission Cooler Lines FPE-TL-LB7-LLY will fit the factory radiator.
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Specifications For Fleece Performance FPE-TL-LB7-LLY
MPN
FPE-TL-LB7-LLY
SKU
FPE-TL-LB7-LLY
GTIN
635909311003
ID
20807
Manufacturer Name
Fleece Performance
Shipping Weight
5.00 lb.
Shipping Length
14 in.
Shipping Width
14 in.
Shipping Height
5 in.
Fuel Type
Diesel
E-Code
1
Manufacturer Warranty*
1 Year Limited
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Internal
L22R17
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