Fleece Performance · New
Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines
MPN FPE-TL-LB7-LLY · Store SKU fpeFPE-TL-LB7-LLY
Supplier stock checked 11/7/2026, 7:53:19 PM UTC. Adding a part does not reserve it.
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Product details
Replace 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 LB7 or LLY truck! It includes all of the necessary fittings whether your truck is running a stock radiator or Setrab equipped radiator. Kit Contents: 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 Allison Transmission Cooler Lines for 2001-2005 (LB7-LLY)
Manufacturer fitment & guides
Check FPE-TL-LB7-LLY against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y