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Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines

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

$289.99
IN STOCK8 ready to ship

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

Manufacturer documents

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