Description
Fits
Year | Make | Engine |
2020 - 2022 | GMC | L5P 6.6L Duramax |
Many have reported coolant line failures on 2020 - 2022 L5P Duramax trucks. In tough terrains like mud, snow, or water, the coolant lines along the frame rail can rub against or get tangled in the driveshaft. This can cause serious damage if not addressed. GM recognized this issue in their technical service bulletin 21 - NA - 265. Our 304 stainless steel kit gives you peace of mind when driving your L5P in extreme conditions.
Part Number: L5P - CHA - A089
Features
- Quick and easy fix that's better and cheaper than the GM - recommended repair time.
- Laser - cut stainless steel for a perfect fit.
- Built tough to outlast your truck.
- Quality hose retainer used in heavy equipment.
- Simple and fast to install.
- Prevents coolant line rubbing and entanglement.
- Great upgrade for loggers, oilfield workers, and outdoor enthusiasts.
Notes
- If you only drive on highways, this might be more than you need. But for rough conditions, it's unbeatable.
Installation
Click here to view installation instructions
Videos


This coolant line saver is for 2020 - 2022 GMC trucks with the L5P 6.6L Duramax engine. To use it, just follow the installation instructions (click the link in the product description). It's simple and quick to install. Remember, if you only drive on highways, this product might be overkill. But if you're in tough terrains like mud, snow, or water, it's a must - have. For maintenance, just check the kit regularly for any signs of wear or damage. Since it's made of 304 stainless steel, it's built to last. If you notice any issues, replace the parts as needed to keep your coolant lines safe.