2020-2022 Duramax Coolant Line Saver (L5P-CHA-A089)

Note: This product may be overkill if you are just doing highway running, but for peace of mind in the heavy stuff, it can't be beaten.

We have had multiple people come in, and others report this failure on the 2020-2022 L5P Duramax. In demanding terrain, mud, snow, water, or otherwise, the coolant lines that run along your frame rail can rub or become entangled in your driveshaft. This can cause severe damage if not caught in time. GM acknowledged this problem in their technical service bulletin, 21-NA-265. We developed this 304 stainless steel kit to give people running their L5P engines peace of mind in extreme conditions.

Part Number: L5P-CHA-A089

Why Shop Dirty?

• Canadian-Made Performance: High-performing parts made in-house in our shop in West Kelowna and sourced from across North America with the highest quality standards.
• Born in the Shop: Our parts are engineered with real-world experience. Whether it's an OEM fix or a performance upgrade, we build what we know works. We make our parts to solve real-world problems.
• Dirty Made Quality: We aren’t just designing the kits; we are installing them every day in our own shop. We use our own products every day. From the first weld to the last bolt, we build tough gear that actually fits, handles abuse, and looks the part.

• Quick and easy fix outperforms and costs less than the 1.1 HR book time required by the GM technical service bulletin
• Stainless Steel Laser Cut for a perfect fit
• Overbuilt to ensure that this outlives your truck
• A quality hose retainer is common to heavy equipment and construction machinery
• Simple and quick installation
• Helps prevent coolant lines along the frame rail from rubbing or becoming entangled in your driveshaft
• Essential upgrade for loggers, oilfield workers, and snowmobilers (Or people who just like to get down in the bush)

• (1) Stainless Steel Laser-Cut Coolant Line Saver

Click Here For Instructions