Dorman 902-5993 Engine Coolant Water Outlet

Dorman 902-5993 Engine Coolant Water Outlet

Dorman 902-5993 is a standard replacement engine coolant water outlet for select Audi applications. It is built to match the original fit and durability of the stock coolant outlet, with a plastic housing and included gasket for a direct repair on 2005-2008 Audi A4 and Audi A4 Quattro models.

Key Features

• Standard replacement coolant water outlet for OE-style service
• Fits 2005-2008 Audi A4 and 2005-2008 Audi A4 Quattro
• Plastic construction with black finish
• Includes gasket for sealing at the housing interface
• Designed to handle repeated temperature swings in the cooling system
• Outlet diameter measures 1.38 in. with a 90-degree housing neck angle
• Two bolt holes and two mounting holes for proper installation alignment

Detailed Description

This Dorman coolant outlet, part number 902-5993, is engineered as a direct-fit replacement for the factory engine coolant water outlet used on select Audi A4 and Audi A4 Quattro vehicles. The housing is designed to match the original configuration, including the outlet size, neck angle, and mounting layout, helping restore proper coolant routing at the thermostat housing area. For buyers searching for a 2005-2008 Audi A4 coolant outlet or a 2005-2008 Audi A4 Quattro thermostat housing replacement, this part provides an OE-style repair solution. This part cross-references Genuine 06D121132C for the same application.

Common Repair Uses

• Cracked or leaking coolant outlet housing
• Coolant seepage at the thermostat housing connection
• Damaged sealing surface at the outlet flange
• Cooling system service on Audi A4 or Audi A4 Quattro
• Replacement for a worn factory coolant outlet assembly

Installation Notes and Tips

Verify the outlet diameter, bolt-hole layout, and housing neck angle before installation. Clean the mating surfaces thoroughly and inspect the surrounding coolant hoses and thermostat housing for wear or heat damage. Use the included gasket to ensure a proper seal, and refill and bleed the cooling system according to the vehicle service procedure after installation.

Quality Assurance

Dorman designs this replacement coolant outlet to match stock fit and durability requirements for the listed Audi applications. The housing is built to withstand extreme temperature changes, helping maintain service life in the cooling system.