OE Quality
60-Day Returns

Dorman 667-555 Turbocharger Coolant Line - Return
Durable Turbocharger Coolant Line for Buick, Chevrolet, and GMC
The Dorman 667-555 turbocharger coolant line is engineered to provide reliable cooling performance for select Buick, Chevrolet, and GMC models. Designed with stainless steel construction and molded assembly shape, this coolant line ensures durability and precise fitment for vehicles like the Chevrolet Cruze, Buick Encore, and GMC Terrain.
- Constructed from corrosion-resistant stainless steel for long-lasting durability
- Compatible with Buick, Chevrolet, and GMC models including Cruze, Encore, Equinox, Terrain, and Trax
- 11-inch overall length with a 10-inch centerline length for accurate fit
- Female inlet and outlet fittings with 14mm x 10 thread diameter
- Metallic gray color with natural stainless steel fittings for OEM appearance
Product Details and Specifications
The Dorman 667-555 turbocharger coolant line features a molded assembly shape designed to maintain optimal coolant flow and pressure within the turbocharger system. Both ends of the line have female fittings with a 14mm x 10 thread diameter, ensuring secure connections without threaded fittings. The line measures 11 inches in length with an inside diameter of 7mm and an outside diameter of 8mm, providing the correct dimensions for proper coolant circulation. Its stainless steel material resists corrosion and heat, making it suitable for the demanding environment of turbocharged engines.
Compatible Vehicles and Applications
This turbocharger coolant line is compatible with a range of Buick, Chevrolet, and GMC vehicles, specifically designed for models such as the Chevrolet Cruze and Cruze NG, Buick Encore, Chevrolet Equinox, GMC Terrain, and Chevrolet Trax. The part number 667-555 ensures you receive the correct replacement part for maintaining your vehicle’s turbocharger cooling system.
- Prevents turbocharger overheating by maintaining coolant flow
- Replaces worn or damaged coolant lines to avoid leaks
- Helps maintain engine performance by supporting proper turbocharger function
- Eliminates coolant contamination risks from cracked or corroded lines
- Supports OEM specifications for reliable operation
Installation Notes and Tips
When installing the Dorman 667-555 turbocharger coolant line, ensure both female fittings are properly seated and tightened to prevent leaks. Verify the line length and diameter match your vehicle’s specifications before installation. It is recommended to inspect surrounding components for wear or damage during replacement to maintain overall system integrity.
Quality Assurance and Warranty
Dorman manufactures this turbocharger coolant line to meet OEM standards, providing a reliable replacement part for your Buick, Chevrolet, or GMC vehicle. The stainless steel construction and molded assembly design contribute to its durability and performance. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 667-555 |
| Material | Acero inoxidable |
| Material | Stainless steel |
| Length | 11 |
| Color | Gris metálico |
| Color | Metallic gray |
| Inside Diameter | 7 |
| End 1 Gender | Female |
| End 1 Gender | Hembra |
| End 2 Gender | Female |
| End 2 Gender | Hembra |
| Centerline Length | 10 |
| Outside Diameter | 8 |
| Shape | Ensamble moldeado |
| Shape | Molded assembly |
| Grade Type | Equipo original |
| Grade Type | Oem |
| Fitting Color | Natural |
| Fitting Material | Acero inoxidable |
| Fitting Material | Stainless steel |
| Inlet Fitting Type | Female |
| Inlet Fitting Type | Hembra |
| Outlet Fitting Type | Female |
| Outlet Fitting Type | Hembra |
| Contenidos del paquete | 1 línea de refrigerante del turbocargador |
| Diámetro de la rosca de acoplación del extremo 1 | 14mm x 10 |
| End 1 Fitting Gender | Female |
| End 1 Fitting Gender | Hembra |
| End 1 Fitting Thread Diameter | 14mm x 10 |
| Package Contents | 1 turbocharger coolant line |
| Threaded Fittings | No |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Buick | Encore | 1.4L | L4 | Return | |
| 2022 | Chevrolet | Equinox | 1.5L | L4 | Return | |
| 2022 | Chevrolet | Trax | 1.4L | L4 | Return | |
| 2022 | GMC | Terrain | 1.5L | L4 | Return | |
| 2021 | Buick | Encore | 1.4L | L4 | Return | |
| 2021 | Chevrolet | Equinox | 1.5L | L4 | Return | |
| 2021 | Chevrolet | Trax | 1.4L | L4 | Return | |
| 2021 | GMC | Terrain | 1.5L | L4 | Return | |
| 2020 | Chevrolet | Equinox | 1.5L | L4 | Return | |
| 2020 | GMC | Terrain | 1.5L | L4 | Return | |
| 2019 | Buick | Encore | 1.4L | L4 | Return | |
| 2019 | Chevrolet | Cruze | 1.4L | L4 | Return | |
| 2019 | Chevrolet | Equinox | 1.5L | L4 | Return | |
| 2019 | GMC | Terrain | 1.5L | L4 | Return | |
| 2018 | Buick | Encore | 1.4L | L4 | Return | |
| 2018 | Chevrolet | Cruze | 1.4L | L4 | Return | |
| 2018 | Chevrolet | Equinox | 1.5L | L4 | Return | |
| 2018 | GMC | Terrain | 1.5L | L4 | Return | |
| 2017 | Buick | Encore | 1.4L | L4 | Return | |
| 2017 | Chevrolet | Cruze | 1.4L | L4 | Return | |
| 2016 | Buick | Encore | 1.4L | L4 | Return | |
| 2016 | Chevrolet | Cruze | 1.4L | L4 | Return | |
| 2016 | Chevrolet | Cruze NG | 1.4L | L4 | Return |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.