Gates EMH261 Engine Crankcase Breather Hose - Suction Pump

OE-Exact Crankcase Breather Hose

Gates EMH261 is an OE-exact engine crankcase breather hose for emission control service. It is built to restore proper crankcase ventilation and emission system operation on select Audi and Volkswagen applications, including Audi A4, A6 Quattro, A8 Quattro, S4, and Volkswagen Passat suction pump setups.

The Gates Emission Control Hose line focuses on replacement hoses made from durable materials for long service life and accurate fit. EMH261 follows that approach with a molded plastic construction and OE comparison rating of OE Exact for direct replacement needs.

Key Features

• OE-exact replacement for crankcase ventilation and emission control service
• Molded plastic construction for the specified application
• Push-in end design at all connection points
• Centerline length: 4.8 in. (122 mm)
• Inside diameters: 10 mm, 9 mm, and 7 mm
• Fits suction pump emission control hose applications on select Audi and Volkswagen models
• Gates EMH261 part number for accurate ordering and service lookup

Detailed Description

Gates EMH261 is an engine crankcase breather hose engineered for emission control systems that rely on a molded, OE-style routing path. This hose is used in suction pump applications and is listed for a wide range of Audi and Volkswagen vehicles, including 1997-2006 Audi A4, 1997-2005 Audi A4 Quattro, 1998-2002 Audi A6 Quattro, 1998-2001 Audi A6, 2000-2004 Audi A8 Quattro, 2001-2003 Audi S8, 2002-2003 Audi S6, 2003 Audi RS6, 2000-2001 Audi S4, 2006 Audi S4, 2001-2002 Audi TT Quattro, 2001 Audi TT, 1998-2005 Volkswagen Passat, 1999-2002 Volkswagen Beetle, 2004-2005 Volkswagen Beetle, 2000-2001 Volkswagen Golf, 2000-2001 Volkswagen Jetta, and 2004-2006 Volkswagen Phaeton. This part cross-references Dorman OE Solutions 911-400 for the same application.

Use Gates EMH261 when replacing a cracked, hardened, or leaking breather hose in the emission control system. The molded shape, push-in ends, and OE-exact design help maintain the intended hose routing and connection integrity on Audi A4 and Volkswagen Passat suction pump applications.

Common Problems This Part Can Address

• Cracked or brittle crankcase breather hose material
• Vacuum leaks in the emission control hose circuit
• Improper crankcase ventilation routing
• Check engine light concerns related to hose leakage
• Loss of original hose fit and connection security

Installation Notes and Tips

Confirm the vehicle’s suction pump hose layout before ordering, since fitment varies by model year and engine configuration. Compare the original hose shape, end style, and inside diameters to the replacement part before installation. Inspect nearby vacuum and emission hoses for age-related wear while the system is open, and make sure each push-in connection seats fully during reassembly.

Quality Assurance

Gates designs the Emission Control Hose line as OE-exact replacement plumbing for emission and crankcase ventilation service. EMH261 is built to restore the system to proper operation with application-specific dimensions and molded construction.