Vaico V10-2678 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for Volkswagen Passat

VAICO V10-2678 is an engine crankcase breather hose for select Volkswagen Passat applications. With a 230 mm length, 31 mm width, and 27 mm height, it is built to match the dimensional requirements of the crankcase ventilation system on covered vehicles.

Compatible With 2002-2005 Volkswagen Passat applications, this breather hose supports crankcase ventilation routing where a direct replacement hose is needed. VAICO V10-2678 is a practical OE-style service part for Volkswagen Passat maintenance and emission control repairs.

Key Features

• Engine crankcase breather hose for the emission control and crankcase ventilation system
• Dimensions: 230 mm length, 31 mm width, 27 mm height
• Lightweight construction at 0.030 kg
• Designed for select Volkswagen Passat fitment
• VAICO V10-2678 part number for catalog matching and service lookup

Detailed Description

VAICO V10-2678 is an engine crankcase breather hose used in the crankcase ventilation system to route vapors as part of the vehicle’s emission control layout. The listed dimensions help confirm fitment when replacing a worn or damaged hose on a Volkswagen Passat. This part number, V10-2678, is referenced for 2002-2005 Volkswagen Passat applications, including the 2002 model from 3B-1-050 001 and 2003-2005 Passat coverage noted in the fitment data. VAICO is the brand line used here for this specific replacement component.

This part cross-references OE-style numbers 078 103 235 K and 78 103 235 K for the same application.

What It Helps Address

• Cracked or split crankcase breather hose
• Vacuum leaks in the crankcase ventilation circuit
• Oil vapor routing issues in the emission control system
• Rough idle or drivability concerns related to air leakage
• Failed hose replacement during Volkswagen Passat service

Installation Notes and Tips

Verify hose length and connection points against the removed part before installation. Confirm the vehicle build range and notes for your Volkswagen Passat, especially the 2002 model reference from 3B-1-050 001. Inspect adjoining crankcase ventilation components for wear, oil saturation, or cracking before completing the repair.

Quality Assurance

VAICO V10-2678 is cataloged as an aftermarket replacement part for the specified Volkswagen Passat applications. Use the part number and dimensional data to confirm the correct service match before installation.