Fleece Allison Transmission Cooler Lines for Duramax | 2006 - 2010

Heavy-Duty, High-Flow Transmission Line Kit – LBZ/LMM

Upgrade your leaking factory transmission lines with our heavy-duty, high-flow flexible transmission line kit — the most complete replacement kit available for your LBZ or LMM Duramax truck!

This kit includes all necessary fittings and hardware for a seamless installation, whether your truck is equipped with a stock radiator or an aftermarket Setrab radiator. Designed for durability, improved fluid flow, and long-term reliability, it’s the perfect solution to eliminate leaks and keep your transmission running cool.

Kit Includes

• 5/8" ID transmission lines

• (6) 7/8"-14 O-ring to -10AN fittings

• (2) M22x1.5 to -10AN Setrab fittings

• (2) Large OD washers

• Double hose clamps and locking cable ties

Warranty

1-Year Limited Parts Warranty