Standard Ignition CBH100 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for VW and Audi

Standard Ignition CBH100 is an engine crankcase breather hose for emission control service. It routes crankcase vapors through the ventilation system and is a direct-fit replacement for select Audi and Volkswagen applications, including Audi A3, A4, A4 Quattro, TT, TT Quattro and Volkswagen Jetta, Passat, GTI, Eos, Golf City, and R32.

• Contents: hose
• Engine crankcase breather hose for emission control system repair
• Fits select driver-side applications
• OE-style replacement for common crankcase ventilation service
• Standard Ignition CBH100 for targeted fitment lookup

Detailed Product Overview

This crankcase breather hose is used in the emission control system to carry crankcase vapors as part of the vehicle’s ventilation path. Standard Ignition CBH100 is listed for 2005-2010 Volkswagen Jetta, 2005-2010 Volkswagen Passat, 2006-2009 Volkswagen GTI, 2007-2010 Volkswagen Eos, 2009 Volkswagen Golf City, 2008 Volkswagen R32, 2005-2008 Audi A3, 2006-2008 Audi A4, 2005 and 2007-2008 Audi A4 Quattro, 2007-2010 Audi TT, and 2009-2010 Audi TT Quattro. This part cross-references Continental 48006 and Gates EMH135 for the same application.

Common Repair Symptoms

• Cracked or split breather hose
• Vacuum leak in the crankcase ventilation circuit
• Oil vapor seepage around the hose connection
• Rough idle caused by ventilation system leakage
• Emission system fault related to crankcase ventilation flow

Installation Notes

Verify the vehicle year, make, model, and driver-side application before installation. Inspect adjoining crankcase ventilation components, hose routing, and connection points for wear or damage before replacing the hose. Confirm the hose seats fully at each connection to maintain proper ventilation routing on Audi A3, Audi A4, Volkswagen Jetta, and related applications.

Quality Assurance

Standard Ignition supplies emission control replacement parts for service applications, and CBH100 is cataloged with OE-style interchange references for fitment verification.