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Check Out Fleece | 2017-2019 Gm Duramax 2500 / 3500 Hd Transmission Cooler Lines Unlock 55% Savings [efdMLY8c]

$47.99 $153.99 -69%

High-Quality Transmission Cooler Lines for 2017-2019 GM Duramax HD Experience the peace of mind that comes with reliable transmission cooling with our premium Fleece Transmission Cooler Lines kit. Designed specifically for the 2017-2019 GM Duramax 25

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Check Out Fleece | 2017-2019 Gm Duramax 2500 / 3500 Hd Transmission Cooler Lines Unlock 55% Savings [efdMLY8c]

High-Quality Transmission Cooler Lines for 2017-2019 GM Duramax HD

Experience the peace of mind that comes with reliable transmission cooling with our premium Fleece Transmission Cooler Lines kit. Designed specifically for the 2017-2019 GM Duramax 2500/3500 HD, this kit is the perfect solution for replacing leaking or worn-out transmission lines. Crafted with heavy-duty materials, our lines offer increased flow and durability, ensuring your vehicle's transmission operates at peak performance.

Key Features and Specifications

Our kit stands out with several essential features that make it the most complete replacement transmission line kit on the market. The lines feature an increased diameter of 5/8" over the stock size, which not only enhances flow but also provides added protection against future failures. The explosion-proof polyester hose protection sleeve ensures longevity and reliability. To further secure the lines, we include double hose clamps, locking cable ties, and fir tree cable clamps, guaranteeing a firm and leak-proof fit.

Complete Kit for Easy Installation

Our transmission cooler lines kit comes with everything you need for a hassle-free installation. The kit includes three 5/8" ID transmission lines with AN fittings, six 7/8"-14 O-ring to -10AN fittings, two large OD washers, and all necessary clamps and ties. This comprehensive package ensures that you have all the components required to replace your old lines with confidence. Whether you're a professional mechanic or a DIY enthusiast, our kit is designed to simplify the installation process and provide a lasting solution to your transmission cooling needs.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

A great tool that is very solid.

- Osbert G..

January 22, 2026

Absolutely no complaints!

An outstanding product. Very handy.

- Gwilym N..

January 22, 2026

Absolutely no complaints!

This is a useful and solid gadget.

- Rhiannon H..

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