Fleece Performance 17-19 L5P Duramax Heavy Duty Transmission Cooler lines Powerstroke 6.0L Billet venturi couplers maintain boost

Billet venturi couplers maintain boost pressure

2006 Chevrolet Silverado 2500 HD LS

2020 Chevrolet Silverado 2500 HD High Country

1999 Chevrolet K2500 Suburban Base

Replaces GM Part# 97378825 (qty 2)

Fleece Performance 17-19 L5P Duramax Heavy Duty Transmission Cooler lines Powerstroke 6.0L Billet venturi couplers maintain boostReplace 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 L5P truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase overall flow and protect against future failures. Kit Includes: (3) 5 8" ID transmission lines with AN fittings (6) 7 8" 14 O ring to 10AN fittings (2) Large OD washers