Vaico V10-3011 Engine Coolant Hose Flange

Engine Coolant Hose Flange for Audi and Volkswagen

The Vaico V10-3011 engine coolant hose flange is a plastic coolant connection component used at the rear thermostat housing to heater core hoses. It is built to match the listed OE-style applications for select Audi and Volkswagen models, including Audi A3 Sportback e-tron, A5, A5 Quattro, A6, A6 Quattro, and Volkswagen Jetta, Golf, Passat, Beetle, and Tiguan.

VAICO product line parts are developed for direct-fit replacement needs in European cooling system service, with attention to application-specific dimensions and material selection. The V10-3011 follows that approach for coolant routing at the thermostat housing connection point.

Key Features

• Engine coolant hose flange for rear thermostat housing to heater core hose routing
• Plastic construction for OE-style cooling system fitment
• Dimensions: 65 mm length, 52 mm width, 41 mm height
• Lightweight design at 0.030 kg
• Cross-references OE part numbers 1K0 122 291 J and 1K0122073E for the same application
• VAICO V10-3011 replacement part for select Audi and Volkswagen cooling system service

Detailed Description

The Vaico V10-3011 engine coolant hose flange is a replacement flange used in the cooling circuit where the rear thermostat housing connects to heater core hoses. Its compact plastic body is sized at 65 mm by 52 mm by 41 mm, supporting a direct replacement format for the specified Audi and Volkswagen applications. If you are servicing a coolant leak, cracked flange, or damaged hose connection on an Audi A3 Sportback e-tron, A5, A5 Quattro, A6, A6 Quattro, or a Volkswagen Jetta, Golf, Passat, Beetle, or Tiguan, this part number provides the correct OE-style reference point.

This part cross-references OE numbers 1K0 122 291 J and 1K0122073E for the same application. Search terms such as Audi A5 Quattro coolant hose flange, Volkswagen Golf rear thermostat housing flange, and engine coolant hose flange for heater core hose connection align with this part’s listed fitment and use case. VAICO V10-3011 is a practical replacement for cooling system repair where the original flange has aged, warped, or split.

What It Helps Address

• Coolant seepage at the rear thermostat housing connection
• Cracked or brittle plastic coolant flange
• Loose heater core hose attachment at the flange
• Cooling system leaks traced to the hose outlet area
• Replacement of a worn OE-style coolant flange on Audi and Volkswagen models

Installation Notes and Tips

Confirm the OE number, hose routing, and flange dimensions before installation. Inspect the mating surfaces, hose ends, and seals in the surrounding cooling system before reassembly. Because this component mounts at the rear thermostat housing to heater core hose connection, access may be limited depending on vehicle configuration. After installation, refill and bleed the cooling system according to the vehicle service procedure and verify there are no leaks.

Quality Assurance

VAICO V10-3011 is an aftermarket replacement part built for the listed Audi and Volkswagen applications. Its OE cross-reference numbers and application-specific dimensions support accurate parts matching for cooling system repair.

Compatible With: Fits 2016-2017 Audi A3 Sportback e-tron, N/A; Fits 2012-2017 Audi A5 Quattro, N/A; Fits 2016-2017 Audi A6, N/A; Fits 2016-2017 Audi A6 Quattro, N/A; Fits 2009-2016 Volkswagen Jetta, N/A; Fits 2005-2006 Volkswagen Jetta, N/A; Fits 2012-2014 Audi A5, N/A; Fits 2012-2014 Volkswagen Beetle, N/A; Fits 2010-2014 Volkswagen Golf, N/A; Fits 2012-2014 Volkswagen Passat, N/A; Fits 2010-2013 Audi A3, N/A; Fits 2009-2011 Volkswagen Tiguan, N/A.