Rein ABH0339 Engine Oil Separator - Secondary

OE-Style Breather Valve for Porsche 911

Rein ABH0339 is a standard replacement engine oil separator breather valve for European applications. It is built as a direct OE-quality replacement for the original breather valve used on select Porsche 911 models, with fitment for the secondary position.

Key Features

• Standard replacement breather valve for engine crankcase ventilation service
• OE-quality construction for direct replacement use
• Fits 2005-2008 Porsche 911, secondary
• Designed for European vehicle applications
• Part number: ABH0339

Product Details

This Rein engine oil separator is made for drivers searching for a 2005-2008 Porsche 911 secondary breather valve replacement that matches the original equipment layout. Rein positions this part as an OE-quality component for European vehicles, and ABH0339 is identified as a standard replacement for the factory breather valve. This part cross-references URO 99710713800 for the same application.

Common Issues This Part May Address

• Cracked or leaking breather valve housing
• Excess crankcase pressure from a worn separator valve
• Oil vapor control concerns in the engine ventilation system
• Rough idle or drivability issues tied to crankcase ventilation faults
• Oil seepage related to a failing separator assembly

Installation Notes and Tips

Verify the vehicle’s year, model, and secondary position before ordering. Compare the original breather valve to ABH0339 and confirm connector and mounting details during installation. For best results, inspect adjacent crankcase ventilation components for wear or contamination while servicing the system.

Quality Assurance

Rein Automotive markets this breather valve as an OE-quality replacement built to match the original manufacturer’s intended application for European vehicles. ABH0339 is specified as a standard replacement part for direct-fit service on the listed Porsche 911 applications.