Gates
Return Line Assembly

Gates 366148 Power Steering Return Line Hose Assembly - Cooler Tube

Brand Gates 366148
Position Cooler Tube
Length 132.25
End 1 Type Male quick connect
End 1 Diameter (in) .375
End 2 Diameter (in) .375
End 2 Type I.d. hose
Product line Return Line Assembly
Fits Ford and Mercury · 12 vehicles

Return line assembly. Direct-fit power steering hose assembly for a clean replacement.

Quick-connect end. Simplifies installation with a secure, factory-style connection.

Male quick connect and hose end with 3/8 in. diameters.

Cross-references Dayco 85029, Nissens 92711 and 5-85029 for the same application. See all 7.

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Power Steering Return Line Assembly for Escape and Mariner

This Gates Return Line Assembly is a power steering return line hose assembly built for the cooler tube application on select Ford Escape and Mercury Mariner models. It uses a male quick connect on one end and an I.D. hose connection on the other, with a 132.25-inch length for the specified routing.

Compatible with 2005-2007 Ford Escape and 2005-2007 Mercury Mariner applications listed below, this Gates 366148 return line assembly supports OE-style fitment for vehicles equipped with the quick connect fitting at the cooler tube.

Key Features

  • Brand: Gates Return Line Assembly
  • Part number: 366148
  • Power steering return line hose assembly for cooler tube use
  • Length: 132.25 inches
  • End 1: Male quick connect, 0.375 in. diameter
  • End 2: I.D. hose, 0.375 in. diameter
  • OE design for listed Ford Escape and Mercury Mariner applications

Detailed Description

The Gates 366148 power steering return line hose assembly is built for vehicles that use a cooler tube return line with a quick connect fitting. Its 132.25-inch length and 0.375-inch connection sizes match the listed application requirements, helping maintain proper routing from the steering system back through the cooler circuit. This part cross-references Dayco 85029 for the same application.

Gates Return Line Assembly products are positioned for direct-fit service replacement in steering system repairs, and this part number 366148 is listed for 2005-2007 Ford Escape and 2005-2007 Mercury Mariner models with the specified cooler tube configuration.

Vehicle Fitment

  • Fits 2006-2007 Ford Escape, Cooler Tube; OEM Design; W/Quick Connect Fitting; Return Line Assembly
  • Fits 2006-2007 Mercury Mariner, Cooler Tube; OEM Design; W/Quick Connect Fitting; Return Line Assembly
  • Fits 2005 Ford Escape, Cooler Tube; Mar. 29, 2005 & Newer; W/Quick Connect Fitting; Return Line Assembly
  • Fits 2005 Mercury Mariner, Cooler Tube; Mar. 29, 2005 & Newer; W/Quick Connect Fitting; Return Line Assembly

Common Repair Uses

  • Replacing a leaking power steering return hose
  • Restoring fluid flow through the cooler tube circuit
  • Addressing damaged quick connect or hose-end connections
  • Correcting steering fluid seepage at the return line
  • Repairing a worn line on Ford Escape or Mercury Mariner steering systems

Installation Notes and Tips

Verify the vehicle build date for 2005 applications, since the listing applies to March 29, 2005 and newer vehicles. Confirm the cooler tube layout, quick connect fitting style, and hose routing before installation. Match the connection diameters and routing length to the original line to ensure proper placement on the steering return circuit.

Quality Assurance

This Gates return line assembly is cataloged as an OE-design replacement for the listed applications and is identified by part number 366148. Confirm fitment against the vehicle’s steering system configuration before installation.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2007FordEscape2.3LL4GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2007FordEscape3.0LV6GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2007MercuryMariner2.3LL4GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2007MercuryMariner3.0LV6GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2006FordEscape2.3LL4GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2006FordEscape3.0LV6GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2006MercuryMariner2.3LL4GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2006MercuryMariner3.0LV6GASCooler TubeOEM Design; W/Quick Connect Fitting; Return Line Assembly
2005FordEscape2.3LL4GASCooler TubeMar. 29, 2005 & Newer; W/Quick Connect Fitting; Return Line Assembly
2005FordEscape3.0LV6GASCooler TubeMar. 29, 2005 & Newer; W/Quick Connect Fitting; Return Line Assembly
2005MercuryMariner2.3LL4GASCooler TubeMar. 29, 2005 & Newer; W/Quick Connect Fitting; Return Line Assembly
2005MercuryMariner3.0LV6GASCooler TubeMar. 29, 2005 & Newer; W/Quick Connect Fitting; Return Line Assembly
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 85029Nissens — 927115-850296L8Z3D746C7-715736-36614837784