Dorman 667-320 Turbocharger Coolant Line - Supply

Brand Dorman 667-320
Position Supply
Material Caucho, acero inoxidable
Material Rubber
Material Stainless steel
Length 12
Color Black
Color Negro
Color Noir
Inside Diameter 0.6
End 1 Gender Female
End 1 Gender Hembra
End 2 Gender Macho
End 2 Gender Male
Centerline Length 12
Outside Diameter 0.75
Shape Ensamble moldeado
Shape Molded assembly
Grade Type Equipo original
Grade Type Oem
Fitting Color Natural
Fitting Material Acero inoxidable
Fitting Material Goma
Fitting Material Rubber
Fitting Material Stainless steel
Inlet Fitting Type Macho
Inlet Fitting Type Male
Outlet Fitting Type Female
Outlet Fitting Type Hembra
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 Female
Fits BMW · 9 vehicles

OE direct replacement. Matches the original turbocharger coolant line's fit and function.

Molded assembly. Helps deliver a precise, factory-style routing and connection.

Rubber and stainless steel. Combines flexibility with corrosion-resistant strength.

Cross-references Rein CHT0738, 11538689876 and 11539896894 for the same application. See all 3.

$92.22Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Step 2 — Quantity
Order total $92.22
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Free returns within 60 days if it doesn't fit when fitment is verified.

Turbocharger Coolant Line for BMW 750i

This Dorman turbocharger coolant line is built to match the original line’s fit and function on select BMW applications. It uses rubber and stainless steel construction for a direct replacement on the turbo cooling circuit, including supply-side routing to the auxiliary pump.

  • Direct replacement turbocharger coolant line for OE-style fitment
  • Constructed from rubber and stainless steel
  • Black molded assembly with threaded fittings
  • Female and male end configuration for factory-style connection
  • Length: 12 in.; inside diameter: 0.6 in.; outside diameter: 0.75 in.
  • End 1 thread diameter: 14mm x 10
  • OEM-grade replacement part

Fitment and Application Details

Compatible with 2016-2019 BMW 750i, supply; 2019 BMW 750i xDrive, supply; and 2018 BMW M550i xDrive, supply. In these applications, the line connects the left and right lines to the auxiliary pump. Part number 667-320 is also referenced for BMW turbo coolant line replacement needs, and 667-320 cross-references Rein CHT0738 for the same application.

What This Part Helps Address

  • Coolant line leakage at the turbocharger circuit
  • Cracked or deteriorated factory coolant hose material
  • Damaged threaded fittings or connection points
  • Restricted coolant flow in the turbo cooling supply line
  • Replacement needs after service on the auxiliary pump connection

Installation Notes and Tips

Verify the end fittings, thread size, and routing before installation to confirm the correct BMW 750i, 750i xDrive, or M550i xDrive application. Inspect adjacent coolant lines and connection points for wear, and replace any damaged sealing surfaces during service. Confirm the supply-side routing matches the original line path before final tightening.

Quality Assurance

Dorman designs this turbocharger coolant line to match the original line’s fit and function on specified vehicles. The part is made from quality materials for reliable performance and durability in the turbo cooling system.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019BMW750i4.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2019BMW750i xDrive4.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2019BMWAlpina B74.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2018BMW750i4.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2018BMWAlpina B74.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2018BMWM550i xDrive4.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2017BMW750i4.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2017BMWAlpina B74.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
2016BMW750i4.4LV8SupplyConnects Left and Right Lines to Auxiliary Pump
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Rein — CHT07381153868987611539896894