VNE 4008291 Engine Crankcase Breather Hose

OE-Style Crankcase Breather Hose for Porsche 911

The VNE 4008291 engine crankcase breather hose is an OE supplier replacement for crankcase ventilation service on select Porsche applications. It is listed for 2005-2008 Porsche 911 models with OE No. 99710714603, making it a direct-reference option for maintenance and repair work.

Key Features

• Engine crankcase breather hose for the crankcase ventilation system
• OE supplier sourcing for factory-style fit and function
• Direct reference for 2005-2008 Porsche 911 applications
• Cross-reference: URO 99710714603
• Part number 4008291 for catalog and service lookup

Detailed Description

VNE part number 4008291 is an engine crankcase breather hose used in the emission control and crankcase ventilation system. It is specified for Porsche 911 models from 2005 through 2008 with OE No. 99710714603, and it serves as a replacement for the original hose routing in that application. For buyers searching for a Porsche 911 crankcase breather hose, Porsche 911 breather hose replacement, or OE-style crankcase ventilation hose for 2005-2008 Porsche 911, this part provides a direct fitment reference.

Because crankcase ventilation components are part of the engine’s emissions management system, correct hose routing and sealing are important for maintaining proper operation. The VNE 4008291 is positioned as an OE supplier part, which makes it a practical choice when replacing a worn, cracked, or leaking breather hose on the Porsche 911.

What This Part Helps Address

• Cracked or brittle crankcase breather hose material
• Oil vapor leakage at the crankcase ventilation line
• Improper crankcase ventilation routing on the engine
• Vacuum-related drivability issues tied to hose deterioration
• Emission control service needs on 2005-2008 Porsche 911 models

Installation Notes and Tips

Verify OE No. 99710714603 before ordering and compare the original hose routing to the replacement part. Inspect adjoining ventilation fittings, seals, and nearby hoses for wear before installation. Confirm the hose is seated correctly and routed without kinks or tension after installation.

Quality Assurance

VNE identifies this part as an OE supplier component, indicating factory-style application support for the listed Porsche 911 fitment. Part number 4008291 is cataloged for 2005-2008 Porsche 911 service use.