HomeBelts and Cooling > Thermostat and HousingDorman 902-904 Engine Coolant Water Outlet
Part #: 902-904

Dorman 902-904 Engine Coolant Water Outlet

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⚙️ 9 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A4 and A4 Quattro
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Overview of Dorman Engine Coolant Water Outlet 902-904

The Dorman 902-904 engine coolant water outlet is designed specifically for Audi A4 and A4 Quattro models. Constructed from durable black plastic, this water outlet ensures reliable coolant flow and engine temperature regulation.

  • Material: High-quality black plastic for corrosion resistance
  • Includes gasket and O-ring for secure sealing
  • Two mounting holes with 0.25 inch diameter for precise fitment
  • Outlet diameter of 1.25 inches for optimal coolant flow
  • Housing neck positioned perpendicular to base for proper alignment
  • Package contains one water outlet and one O-ring

Detailed Product Description

The Dorman 902-904 engine coolant water outlet is engineered to meet the specifications of Audi A4 and A4 Quattro vehicles. Made from durable plastic, it resists corrosion and wear from constant exposure to engine coolant. The included gasket and O-ring provide a tight seal to prevent leaks, while the two mounting holes with a 0.25 inch diameter ensure secure installation. The outlet’s 1.25 inch diameter supports efficient coolant circulation, helping maintain optimal engine temperature. The perpendicular housing neck angle aligns correctly with the engine’s cooling system, ensuring proper fit and function.

Common Applications and Issues Addressed

  • Replacement for cracked or leaking water outlets in Audi A4 and A4 Quattro
  • Prevents coolant leaks that can lead to engine overheating
  • Restores proper coolant flow to maintain engine temperature
  • Addresses issues caused by worn or damaged seals and gaskets
  • Helps avoid engine damage due to coolant system failure

Installation Notes and Tips

  • Ensure engine is cool before beginning installation
  • Remove old water outlet and clean mounting surface thoroughly
  • Use the included gasket and O-ring to ensure a leak-free seal
  • Torque mounting bolts to manufacturer specifications (bolts not included)
  • Check coolant levels and refill as necessary after installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-904 engine coolant water outlet undergoes rigorous quality control to ensure durability and reliable performance. This part includes a gasket and O-ring to support a secure seal and prevent leaks. Warranty coverage details can be obtained from the product documentation or Dorman directly.

BrandDorman
Part Number902-904
Air Vent (Bleeder Valve)No
Bolts IncludedNo
ColorBlack
Gasket Or Seal IncludedYes
Housing Neck Angle (┬░)Perpendicular To Base
MaterialPlastic
Mounting Hole Diameter0.25
Mounting Hole Quantity2
O Rings IncludedYes
Outlet Diameter (in)1.25 in
Package Contents1 Water Outlet; 1 O-ring

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006AudiA41.8LL4N/A
2005AudiA41.8LL4N/A
2005AudiA4 Quattro1.8LL4N/A
2004AudiA41.8LL4N/A
2004AudiA4 Quattro1.8LL4N/A
2003AudiA41.8LL4N/A
2003AudiA4 Quattro1.8LL4N/A
2002AudiA41.8LL4N/A
2002AudiA4 Quattro1.8LL4N/A

* 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:

06B121132E147-005781572685907CH9904CO34858KGT-136-E-NTV904

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