Vaico V10-3530 Engine Coolant Hose Flange

Engine Coolant Hose Flange for Audi and Volkswagen

VAICO V10-3530 is an engine coolant hose flange made from plastic for select Audi and Volkswagen applications. It is built to match OE No. 1K0121087Q and supports cooling system service on vehicles such as the Audi A3 Sportback e-tron, Audi Q7, and Volkswagen Jetta.

Key Features

• Engine coolant hose flange for cooling system repair
• Plastic construction for OE-style fit and function
• Dimensions: 94 mm length, 64 mm width, 28 mm height
• Lightweight design at 0.035 kg
• Cross-references OE No. 1K0121087Q
• VAICO V10-3530 for select Audi and Volkswagen fitments

Product Details

VAICO VAICO V10-3530 is a replacement coolant hose flange used in the engine cooling circuit where a secure hose connection and proper coolant routing are required. The part measures 94 mm long, 64 mm wide, and 28 mm high, with a compact plastic housing that matches the listed OE reference. This makes it a practical choice for Audi A3 Sportback e-tron, Audi Q7, and Volkswagen Jetta cooling system service when the original flange is cracked, leaking, or no longer sealing correctly. This part cross-references OE No. 1K0121087Q for the same application.

Vehicle Fitment

• Fits 2016-2018 Audi A3 Sportback e-tron, rear.
• Fits 2016-2018 Audi A3 Sportback e-tron, right.
• Fits 2017-2018 Audi Q7, front.
• Fits 2017-2018 Audi Q7, front left.
• Fits 2017-2018 Audi Q7, front center.
• Fits 2016-2018 Volkswagen Jetta, left.
• Fits 2016-2018 Volkswagen Jetta, right.

What It Helps Fix

• Coolant leaks at a damaged flange or hose connection
• Cracked plastic coolant outlet housing
• Loss of proper coolant flow at the connection point
• Sealing issues caused by age, heat, or material fatigue
• Cooling system service on vehicles using OE No. 1K0121087Q

Installation Notes and Tips

Verify the OE number, hose routing, and mounting position before installation. Compare the flange dimensions and vehicle notes to the original part, especially on Audi Q7 applications with front, front left, or front center placement. Inspect adjacent hoses, seals, and clamps during service so the repaired cooling circuit seals correctly after replacement.

Quality Assurance

VAICO parts are cataloged as OE-referenced replacement components for European vehicle applications. V10-3530 is listed with direct OE cross-reference 1K0121087Q and defined dimensional data for accurate parts matching.