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Dorman 667-688 Turbocharger Coolant Line - Supply (Right)
Dorman 667-688 Turbo Coolant Line
Dorman 667-688 is a turbocharger coolant line built to match the fit and function of the original line on select Ford and Lincoln applications. It uses stainless steel construction and an OEM-style molded assembly shape for a direct replacement on the specified vehicles.
- Stainless steel coolant line with metallic gray finish
- OEM-grade molded assembly for original-style routing
- Male inlet and male end configuration
- End 1 thread diameter: 14mm x 10
- Centerline length: 10.5 in.
- Inside diameter: 0.25 in.; outside diameter: 0.65 in.
- Fits supply (right) turbo coolant line locations
Vehicle Fitment
- Fits 2017-2021 Ford F-150, Supply (Right)
- Fits 2018-2021 Ford Expedition, Supply (Right)
- Fits 2018-2021 Lincoln Navigator, Supply (Right)
This turbo coolant line cross-references Gates TL245 for the same application. It also cross-references Ford HL3Z8A520B and HL3Z8A520DD for select OE replacement needs.
Detailed Description
Designed for turbocharger coolant routing, Dorman 667-688 helps restore proper coolant flow on the supply side of the turbo system. The stainless steel tube construction is paired with an OEM-grade molded assembly profile to match the original line layout on the 2017-2021 Ford F-150, 2018-2021 Ford Expedition, and 2018-2021 Lincoln Navigator. For buyers searching for a 2017-2021 Ford F-150 turbo coolant line or a 2018-2021 Lincoln Navigator turbocharger coolant line, this part number provides a direct-fit replacement option.
Common Issues This Part Addresses
- Cracked or leaking turbocharger coolant line
- Corrosion in the original coolant tube
- Restricted coolant flow to the turbocharger supply side
- Fitment problems from a damaged OE-style line
- Coolant seepage at the line connection points
Installation Notes and Tips
Verify the vehicle year, make, model, and turbo coolant line position before installation. Confirm the supply (right) routing and the 14mm x 10 threaded end specification match the original line on the vehicle. Inspect adjoining fittings and sealing surfaces for wear or contamination before installing the replacement line.
Quality Assurance
Dorman engineers this turbocharger coolant line to match the fit and function of the original part on the listed applications. The stainless steel construction and OEM-grade design support reliable service on the specified Ford and Lincoln vehicles.
| Brand | Dorman |
|---|---|
| Part Number | 667-688 |
| Material | Acero inoxidable |
| Material | Stainless steel |
| Length | 10.5 |
| Color | Gris metálico |
| Color | Metallic gray |
| Inside Diameter | 0.25 |
| End 1 Gender | Macho |
| End 1 Gender | Male |
| End 2 Gender | Macho |
| End 2 Gender | Male |
| Centerline Length | 10.5 |
| Outside Diameter | 0.65 |
| 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 | Macho |
| Inlet Fitting Type | Male |
| Outlet Fitting Type | Plug |
| Outlet Fitting Type | Tapón |
| Contenidos del paquete | 1 línea del refrigerante de la turbina |
| Diámetro de la rosca de acoplación del extremo 1 | 14mm x 10 |
| End 1 Fitting Gender | Macho |
| End 1 Fitting Gender | Male |
| End 1 Fitting Thread Diameter | 14mm x 10 |
| Package Contents | 1 turbo coolant line |
| Threaded Fittings | No |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Ford | Expedition | 3.5L | V6 | Supply (Right) | |
| 2021 | Ford | F-150 | 3.5L | V6 | Supply (Right) | |
| 2021 | Lincoln | Navigator | 3.5L | V6 | Supply (Right) | |
| 2020 | Ford | Expedition | 3.5L | V6 | Supply (Right) | |
| 2020 | Ford | F-150 | 3.5L | V6 | Supply (Right) | |
| 2020 | Lincoln | Navigator | 3.5L | V6 | Supply (Right) | |
| 2019 | Ford | Expedition | 3.5L | V6 | Supply (Right) | |
| 2019 | Ford | F-150 | 3.5L | V6 | Supply (Right) | |
| 2019 | Lincoln | Navigator | 3.5L | V6 | Supply (Right) | |
| 2018 | Ford | Expedition | 3.5L | V6 | Supply (Right) | |
| 2018 | Ford | F-150 | 3.5L | V6 | Supply (Right) | |
| 2018 | Lincoln | Navigator | 3.5L | V6 | Supply (Right) | |
| 2017 | Ford | F-150 | 3.5L | V6 | Supply (Right) |
* 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.