URO 03L121111Q Engine Coolant Thermostat Housing Assembly

Brand URO 03L121111Q
Fits Volkswagen · 3 vehicles

OE-spec replacement. Built to meet or exceed OEM specifications for cooling system service.

European vehicle focus. URO Parts supplies quality replacement components for European applications.

Problem-solving design. URO Premium upgrades target failure-prone OEM parts with improved materials.

Cross-references Genuine 03L121111Q, Motorad 935-189 and 03L 121 111Q for the same application. See all 5.

$111.44Free shipping
In stock · usually ships same day before 1pm CST
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Order total $111.44
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Engine Coolant Thermostat Housing Assembly

This URO engine coolant thermostat housing assembly is a quality replacement part for European vehicle cooling system service. It is built to meet or exceed OEM specifications and is a direct option for owners and technicians working on a Volkswagen Passat cooling repair.

Key Features

  • Quality replacement thermostat housing assembly for cooling system service
  • Built to meet or exceed OEM specifications
  • Part of the URO Parts line for European vehicles
  • Cross-references Genuine 03L121111Q for the same application
  • Cross-references Motorad 935-189 for the same application

Detailed Description

Use this thermostat housing assembly when replacing a worn, cracked, or leaking cooling system housing on compatible Volkswagen Passat applications. Part number 03L121111Q is identified as a replacement for the original equipment reference and is intended for repair work where accurate fit and OEM-level specification matching matter. The URO Parts brand is positioned as a replacement source for European vehicles, and this part number 03L121111Q supports that role with a straightforward service replacement approach.

Common Uses

  • Coolant leaks at the thermostat housing
  • Cracked or damaged housing replacement
  • Cooling system service during thermostat repair
  • Restoring proper coolant flow control after housing failure

Installation Notes and Tips

Verify the original part number and cooling system configuration before installation. For fitment, this part fits 2012-2014 Volkswagen Passat, N/A. Inspect related seals, hoses, and mating surfaces during service to help ensure a proper repair.

Quality Assurance

URO Parts components are manufactured to meet or exceed OEM specifications. URO Premium products are covered by an unlimited mileage, lifetime warranty.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2014VolkswagenPassat2.0LL4—
2013VolkswagenPassat2.0LL4—
2012VolkswagenPassat2.0LL4—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Genuine — 03L121111QMotorad — 935-18903L 121 111Q902-5871URO-022650