Fleece Performance Heavy Duty 5/8" Transmission Cooler Line Kit for 2017-2019 GM Silverado/Sierra 2500/3500 (L5P) - FPE-TL-L5P-1719

Fits select 2017-2019 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (L5P-6.6L Duramax). Replace your leaking factory transmission lines with the most complete heavy-duty replacement kit available for the L5P Duramax.

This Fleece Performance kit features an increased 5/8" internal diameter to improve fluid flow over stock lines. Each hose is wrapped in an explosion-proof polyester sleeve to guard against abrasion and environmental failure, addressing the common leak points found in the original equipment. The kit utilizes high-quality AN fittings and heavy-duty hoses to ensure a leak-free seal and long-term durability under heavy towing conditions.

• Increased 5/8" hose diameter for improved transmission fluid flow
• Explosion-proof polyester hose protection sleeves for maximum durability
• Direct replacement for prone-to-leak factory lines
• Complete kit with all necessary AN fittings and hardware
• Application Note: Not for use on Cab and Chassis models

Kit Includes:

• (3) 5/8" ID transmission lines with AN fittings
• (6) 7/8"-14 O-ring to -10AN fittings
• (2) Large OD washers
• Double hose clamps, locking cable ties, and fir tree cable clamps
• Manufacturer Part Number: FPE-TL-L5P-1719