Vaico V10-4863 HVAC Heater Hose

VAICO V10-4863 Heater Hose Overview

The VAICO V10-4863 HVAC heater hose is an OE-grade inlet hose for Volkswagen and Audi applications that require the factory-style replacement part number 1K0122157HH. Built to match the original routing and dimensions, it supports proper coolant flow through the heater circuit for consistent cabin heat.

Compatible With 2008 Audi A3, 2008-2014 Volkswagen GTI, 2008-2010 Volkswagen Jetta, 2009-2016 Volkswagen Eos, and 2012-2013 Volkswagen Beetle applications that call for this inlet hose. The VAICO V10-4863 is also a direct reference for OE number 1K0122157HH.

Key Features

• HVAC heater hose for the heater circuit inlet side
• OE-grade replacement for factory-style fitment
• Length: 427 mm for application-specific routing
• Height: 65 mm and width: 93 mm
• Lightweight design at 0.226 kg
• Cross-reference part number: 1K0 122 157 HH

Product Details

VAICO VAICO V10-4863 is engineered as an HVAC heater hose for vehicles using OE number 1K0122157HH. The listed dimensions help support correct installation and hose routing in the heater system, while the OE-grade specification makes it a practical replacement for worn, cracked, or leaking inlet hoses. This part is listed for Volkswagen Eos, Volkswagen GTI, Volkswagen Jetta, Volkswagen Beetle, and Audi A3 applications across the model years shown.

Common Issues This Part Can Address

• Coolant seepage at the heater hose connection
• Cracked or hardened heater hose material
• Restricted coolant flow through the heater inlet line
• Loss of cabin heat caused by a damaged hose
• Fitment problems when replacing an OE-style inlet hose

Installation Notes

Verify OE number 1K0122157HH and compare the hose dimensions before installation. Confirm the vehicle’s heater hose routing and connection points on the specific Volkswagen or Audi application. Inspect adjoining clamps, seals, and coolant lines for wear before reassembly, and refill and bleed the cooling system according to factory service procedures.

Quality Assurance

VAICO supplies OE-grade replacement parts for European vehicle applications, and this heater hose is cataloged to match the factory reference used on the listed Volkswagen and Audi models. Confirm fitment by part number and vehicle application before purchase.