Vaico V10-4663 Engine Coolant Hose

Engine Coolant Hose for OE-Style Cooling Repair

The Vaico V10-4663 engine coolant hose is built for direct replacement in select Audi and Volkswagen cooling system applications. Made from rubber with textile reinforcement, it is sized for OE-style routing and fitment in turbocharger and auxiliary coolant circuits.

• Rubber with textile reinforcement for cooling system durability
• Length: 285 mm; width: 200 mm; height: 68 mm
• OE reference: 1J0122063A application
• Cross-references 1606508597 and CHE0200R for the same application
• Compatible with Audi TT, Audi TT Quattro, Volkswagen Golf, and Volkswagen Jetta cooling system layouts

Product Details

VAICO V10-4663 is an engine coolant hose designed for vehicles that route coolant between the turbocharger, auxiliary water pump, additional coolant pump, or coolant pipe connections. The hose construction uses rubber with textile reinforcement to support the demands of engine bay heat and coolant flow. This part number is listed for 2002-2006 Volkswagen and Audi applications, including Audi TT and TT Quattro, as well as Volkswagen Golf and Jetta models with OE No. 1J0122063A. For buyers searching by vehicle, this is a direct-fit coolant hose for Audi TT cooling system service and Volkswagen Golf coolant hose replacement needs. The V10-4663 part number is also useful when matching OE-style replacement references during repair planning.

Common Repair Symptoms

• Coolant seepage at a hose connection
• Cracking, swelling, or softening of the hose material
• Loss of coolant flow between turbocharger and auxiliary cooling components
• Overheating caused by a damaged coolant hose
• Visible wear on an OE-style coolant pipe connection

Installation Notes

Verify the OE number 1J0122063A and compare hose length and routing before installation. Confirm the vehicle’s cooling circuit layout, especially on turbocharger cooling and additional coolant pump applications. Inspect adjoining pipes, clamps, and seals for wear before reassembly so the replacement hose can seat correctly and maintain a secure coolant path. The V10-4663 should be matched to the exact engine bay configuration shown in the fitment data.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicle applications, and this coolant hose is specified with the dimensions and material details needed for accurate catalog matching. Part number V10-4663 is listed against confirmed Audi and Volkswagen fitment data for 2002-2006 model years.

Compatible Vehicles

• Fits 2003-2006 Audi TT, N/A
• Fits 2004-2006 Audi TT Quattro, N/A
• Fits 2003-2006 Volkswagen Golf, N/A; Exhaust turbocharger to Additional coolant pump; With OE No. 1J0122063A
• Fits 2002-2005 Volkswagen Jetta, N/A; Coolant pipe to Additional coolant pump; POS.34; With OE No. 1J0122063A
• Fits 2004 Volkswagen Golf, N/A; Turbocharger Cooling; From Auxiliary Water Pump; With OE No. 1J0122063A