Vaico V10-3737 HVAC Heater Hose

Vaico HVAC Heater Hose for Audi A4

The Vaico V10-3737 HVAC heater hose is a direct-fit replacement for select Audi A4 and Audi A4 Quattro applications. Built to match the listed dimensions and OE-style routing needs, it supports proper coolant flow through the heater circuit for consistent cabin heat.

VAICO product line components are developed for European vehicle service needs, with attention to fit, form, and application-specific replacement requirements. For Audi A4 Quattro heater hose replacement, the V10-3737 offers a practical option for restoring the original hose path and connection layout.

Key Features

• HVAC heater hose for the heater coolant circuit
• Length: 430 mm for application-specific routing
• Height: 45 mm and width: 170 mm
• Lightweight design at 0.218 kg
• Packaged dimensions: 43 cm x 4.5 cm x 17 cm
• Fits select 2002-2006 Audi A4 and Audi A4 Quattro models
• Part number V10-3737 for easy identification

Detailed Description

Use the Vaico V10-3737 when replacing a worn or damaged HVAC heater hose on select Audi A4 and Audi A4 Quattro vehicles. This hose is listed for 2002-2005 Audi A4, 2002-2004 Audi A4 Quattro, and 2005-2006 Audi A4 Quattro applications, making it a focused solution for common heater hose service on these platforms. The part number V10-3737 is also useful when cross-checking service records or matching an existing OE-style hose reference.

This part cross-references OE-style numbers 8E1 819 373 G and 8E1 819 373 P for the same application.

Common Repair Uses

• Restoring heater core coolant flow after hose wear or cracking
• Replacing a leaking HVAC heater hose connection
• Correcting brittle or heat-aged hose material in the engine bay
• Addressing reduced cabin heat caused by restricted coolant circulation
• Replacing a damaged hose during cooling system service on Audi A4 Quattro models

Installation Notes and Tips

Verify the hose routing, connection points, and OE reference before installation. Confirm the vehicle year and model match the listed fitment for Audi A4 and Audi A4 Quattro applications. Inspect adjoining clamps, fittings, and nearby coolant components for wear so the replacement can be completed cleanly and the heater circuit can be returned to proper operation.

Quality Assurance

Vaico is a recognized aftermarket brand for European vehicle replacement parts, and this V10-3737 heater hose is cataloged with application-specific dimensions and fitment data to support accurate ordering for the listed Audi models.