URO 058121133B Radiator Coolant Hose Flange

Radiator Coolant Hose Flange for Audi and Volkswagen

This URO radiator coolant hose flange is a direct-fit replacement for select Audi and Volkswagen applications. It is built to OE dimensions for straightforward bolt-on installation and secure coolant hose connection points.

Compatible with 1997-2000 Audi A4, rear of cylinder head; 1997-2000 Audi A4 Quattro, rear of cylinder head; 1998-2000 Volkswagen Passat, rear of cylinder head; and 2001 Volkswagen Passat, rear of cylinder head.

• OE-style flange dimensions for accurate fitment
• Manufactured from alloy aluminum or composite material to resist warping and cracking
• Helps maintain a reliable seal at the coolant hose connection
• Base O-ring included for listed applications
• 24-month unlimited mileage warranty

Detailed Product Information

The URO 058121133B radiator coolant hose flange is engineered for rear-of-cylinder-head coolant routing on select Audi A4, Audi A4 Quattro, and Volkswagen Passat models. This part number 058121133B is intended to restore the hose connection point where the original flange can deteriorate from heat cycling and age. This part cross-references Dorman OE Solutions 902-886 for the same application.

Common Problems This Part Can Address

• Coolant leakage at the hose flange
• Cracked or warped original flange housing
• Loose or unreliable hose connection at the cylinder head
• Coolant odor or visible seepage near the rear of the engine
• Cooling system pressure loss from a damaged flange seal

Installation Notes

Verify engine code and vehicle application before installation. The flange mounts at the rear of the cylinder head on the listed Audi A4, Audi A4 Quattro, and Volkswagen Passat models. Inspect the sealing surface and coolant hose condition during replacement, and confirm the base O-ring seats correctly before refilling and bleeding the cooling system.

Quality Assurance

URO backs this radiator coolant hose flange with a 24-month unlimited mileage warranty. The part is manufactured to OE dimensions and uses materials selected to resist warping or cracking that can lead to coolant leakage.