Vaico V10-9879 Engine Crankcase Breather Hose - Cylinder Head Cover To Air Cleaner

Engine Crankcase Breather Hose for OE 03H 103 202 D

This VAICO engine crankcase breather hose is a direct-fit emission control replacement for vehicles using OE number 03H 103 202 D. It routes crankcase vapors from the cylinder head cover to the air cleaner, helping maintain proper crankcase ventilation on select Volkswagen, Audi, and Volkswagen CC applications.

Key Features

• VAICO VAICO line replacement hose for crankcase ventilation service
• Built to match OE number 03H 103 202 D for direct reference-based ordering
• Length: 190 mm; width: 35 mm; height: 45 mm
• Fits the cylinder head cover to air cleaner connection point
• Lightweight design at 0.068 kg for easy handling during service
• Cross-reference part number: 3H 103 202 D

Detailed Description

VAICO V10-9879 is an engine crankcase breather hose for the emission control and crankcase ventilation system. The VAICO product line focuses on OE-style replacement parts, and this hose is specified for OE number 03H 103 202 D. Use it when servicing the crankcase ventilation path on a Volkswagen Passat, Volkswagen CC, Volkswagen Touareg, Audi Q7, or Passat CC with the matching OE reference.

Fits 2012-2017 Volkswagen Passat, Cylinder Head Cover To Air Cleaner. Fits 2008-2010 Volkswagen Passat, Cylinder Head Cover To Air Cleaner. Fits 2009-2016 Volkswagen CC, Cylinder Head Cover To Air Cleaner. Fits 2008-2016 Volkswagen Touareg, Cylinder Head Cover To Air Cleaner. Fits 2010 Audi Q7, Cylinder Head Cover To Air Cleaner. Fits 2009-2010 Volkswagen Passat CC, Cylinder Head Cover To Air Cleaner. Part number V10-9879 is the reference to use when matching this hose to the correct crankcase ventilation layout.

What It Helps Address

• Cracked or hardened crankcase breather hose material
• Vacuum leaks in the cylinder head cover to air cleaner routing
• Oil vapor routing issues in the crankcase ventilation system
• Check engine concerns related to ventilation hose deterioration
• Unstable idle or drivability issues caused by air leaks in the breather path

Installation Notes and Tips

Confirm OE number 03H 103 202 D and compare the hose dimensions before installation. Inspect the mating connections at the cylinder head cover and air cleaner for wear, contamination, or damage, and replace any compromised seals or adjoining components as needed. Verify routing matches the original layout on the vehicle before final assembly.

Quality Assurance

VAICO replacement parts are cataloged for OE-number matching and application-specific fitment. This part number, V10-9879, is listed for direct reference to the original hose specification used on the supported Volkswagen and Audi applications.