HomeAir and Fuel Delivery > Turbocharger, Supercharger and Ram AirDorman 667-787 Turbocharger Coolant Line - Return
Part #: 667-787

Dorman 667-787 Turbocharger Coolant Line - Return

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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mustang
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Dorman 667-787 Turbo Coolant Line

Dorman 667-787 is a turbocharger coolant line built to match the fit and function of the original line on specified vehicles. It is engineered for reliable performance and durability, with a cast stainless steel construction and molded assembly shape for OE-style routing.

Key Features

  • Direct replacement turbocharger coolant line for specified applications
  • Cast stainless steel construction for strength and corrosion resistance
  • Molded assembly shape helps maintain original routing and fit
  • Male-to-male end configuration with a 14 mm x 10 threaded end 1 fitting diameter
  • Metallic gray finish with natural fitting color
  • OE grade replacement part for factory-style service
  • Centerline length: 11.7 in; inside diameter: 0.125 in; outside diameter: 0.35 in

Detailed Description

This turbocharger coolant line is designed for the turbo to head return position on 2015-2023 Ford Mustang models. It follows the original line’s fitment and function, making it a practical replacement for a worn, damaged, or leaking coolant line in the turbocharger cooling circuit. Dorman 667-787 is also referenced by interchange part number FR3Z8A520D for the same application.

Built from cast stainless steel, this line is made to handle the demands of turbocharger coolant flow while maintaining OE-style geometry. The molded assembly design supports proper alignment in the engine bay, which is important for a 2015-2023 Ford Mustang turbocharger coolant line replacement where routing and connection points must match the factory layout. Search terms such as Ford Mustang turbo coolant line, Mustang turbo to head return line, and Dorman 667-787 replacement line all point to this exact application.

Common Repair Uses

  • Replacing a leaking turbocharger coolant line
  • Restoring coolant flow in the turbo to head return circuit
  • Repairing corrosion or heat-related damage to the original line
  • Addressing cracked, bent, or restricted coolant tubing
  • Returning a 2015-2023 Ford Mustang turbo cooling system to factory-style routing

Installation Notes and Tips

Verify the vehicle’s turbo to head return configuration before installation. Compare the original line’s length, end style, and routing to Dorman 667-787 to confirm proper alignment. Clean the mating surfaces and inspect adjacent coolant connections for wear or contamination before reassembly. Because this is a molded assembly, correct positioning during installation helps preserve the intended factory fit.

Quality Assurance

Dorman designs this part as an OEM-style replacement for specified Ford Mustang applications. The cast stainless steel construction and OE-grade design support dependable service in the turbocharger coolant system.

BrandDorman
Part Number667-787
MaterialAcero inoxidable fundido
MaterialCast stainless steel
Length11.7
ColorGris metálico
ColorMetallic gray
Inside Diameter0.125
End 1 GenderMacho
End 1 GenderMale
End 2 GenderMacho
End 2 GenderMale
Centerline Length11.7
Outside Diameter0.35
ShapeEnsamble moldeado
ShapeMolded assembly
Grade TypeEquipo original
Grade TypeOem
Fitting ColorNatural
Fitting MaterialAcero inoxidable fundido
Fitting MaterialCast stainless steel
Inlet Fitting TypeMacho
Inlet Fitting TypeMale
Outlet Fitting TypeMacho
Outlet Fitting TypeMale
Contenidos del paquete1 línea del refrigerante de la turbina
Diámetro de la rosca de acoplación del extremo 114mm x 10
End 1 Fitting GenderFemale
End 1 Fitting GenderHembra
End 1 Fitting Thread Diameter14mm x 10
Package Contents1 turbo coolant line
Threaded FittingsNo

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023FordMustang2.3LL4ReturnTurbo to Head
2022FordMustang2.3LL4ReturnTurbo to Head
2021FordMustang2.3LL4ReturnTurbo to Head
2020FordMustang2.3LL4ReturnTurbo to Head
2019FordMustang2.3LL4ReturnTurbo to Head
2018FordMustang2.3LL4ReturnTurbo to Head
2017FordMustang2.3LL4ReturnTurbo to Head
2016FordMustang2.3LL4ReturnTurbo to Head
2015FordMustang2.3LL4ReturnTurbo to Head

* 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:

FR3Z8A520D

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.