Dorman 902-904 Engine Coolant Water Outlet

Brand Dorman 902-904
Air Vent (Bleeder Valve) No
Bolts Included No
Color Black
Gasket Or Seal Included Yes
Housing Neck Angle (┬░) Perpendicular To Base
Material Plastic
Mounting Hole Diameter 0.25
Mounting Hole Quantity 2
O Rings Included Yes
Outlet Diameter (in) 1.25 in
Package Contents 1 Water Outlet; 1 O-ring
Fits Audi · 9 vehicles

OE direct replacement. Matches stock fit and durability for a straightforward swap.

Plastic construction. Lightweight housing resists extreme temperature changes.

Seal included. Comes with an O-ring for a tighter, more reliable seal.

Cross-references Beck/Arnley 147-0057, Four Seasons 85907 and Gates CO34858 for the same application. See all 8.

$29.60Free shipping
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Step 2 — Quantity
Order total $29.60
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Water Outlet for Audi A4

This Dorman engine coolant water outlet is a direct replacement for specified Audi A4 and Audi A4 Quattro applications. Built with a black plastic housing, integrated seal, and O-ring, it matches the stock outlet’s fit and durability requirements for 2002-2006 Audi A4 and 2002-2005 Audi A4 Quattro models.

Key Features

  • Direct replacement engine coolant water outlet for specified Audi cooling system applications
  • Plastic housing with black finish
  • Gasket or seal included for proper sealing
  • O-ring included
  • Outlet diameter: 1.25 in
  • Two mounting holes with 0.25 in diameter
  • Housing neck angle: perpendicular to base
  • No air vent (bleeder valve)

Detailed Description

Dorman 902-904 is engineered to match the fit and durability of the original engine coolant water outlet used on select Audi A4 and Audi A4 Quattro vehicles. The outlet is built to handle repeated temperature swings in the cooling system, helping maintain a secure coolant passage at the engine outlet connection. This part cross-references Gates CO34858 for the same application.

Common Problems This Part Can Address

  • Coolant leaks at the water outlet housing
  • Cracked or heat-damaged plastic outlet bodies
  • Failed sealing surfaces at the outlet connection
  • Cooling system service needs on Audi A4 and Audi A4 Quattro models
  • Improper fit from worn or distorted original components

Installation Notes and Tips

Verify the outlet diameter, mounting hole spacing, and neck orientation before installation. Replace the sealing surface carefully and inspect the mating hose and adjacent cooling system components for wear or residue. This part is listed for 2002-2006 Audi A4 and 2002-2005 Audi A4 Quattro applications.

Quality Assurance

Dorman designs this replacement coolant outlet to match stock fit and durability requirements and to withstand extreme temperature changes for extended service life. Part number 902-904 is built for direct-fit service on the listed Audi applications.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 147-0057Four Seasons — 85907Gates — CO34858Genuine — 06B121132EMotorad — CH9904815726KGT-136-E-NTV904