Oil Cooler Hose – Return

The 058121058B Coolant Hose is a high‑quality OEM‑grade replacement designed to connect the oil cooler to the return water pipe in your Audi A4 or Volkswagen Passat B5 1.8L engine. This hose ensures proper coolant flow and helps maintain stable engine temperatures under all driving conditions.

Over time, rubber coolant hoses are exposed to intense heat cycles, pressure fluctuations, and chemical exposure, which can cause cracks, leaks, or swelling. Replacing worn hoses with this direct OEM‑fit part prevents coolant loss and protects your engine from overheating.

🔹 Features & Benefits:

• OEM part number: 058121058B
• Direct replacement coolant return hose
• Fits Audi A4 and Volkswagen Passat B5 1.8L engines
• Resistant to high temperatures, coolant pressure, and long‑term wear
• Maintains proper sealing and prevents leaks
• Easy installation—OEM fit, no modifications required

🔧 Applications:

• Audi A4 (1.8L, select years)
• Volkswagen Passat B5 (1.8L, select years)
• Confirm fitment with VIN or OEM number before ordering.