Fleece Allison Transmission Cooler Lines

The Fleece FPE-TL-LB7-LLY Allison Transmission Cooler Lines fix the old leaky 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. 

Transmission Lines

1 Year Limited Warranty

(6) 7/8"-14 O-Ring - 10AN Fittings 

(2) 3/4"-16 O-Ring - 10AN Fittings 

(4) Black Zip Ties 

(2) Concave Washers 

In most cases, trucks with aftermarket radiators will require the purchase of Fleece FPE-TL-ST Setrab Fittings for installation. Due to the many possible combinations, fitment is not guaranteed on non-stock components.