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
