Rein ABH0347 Engine Oil Separator - Primary

OE-Style Breather Valve for Porsche 911

Rein ABH0347 is a standard replacement engine oil separator breather valve for European applications that require an OE-quality direct fit. It is built to match the original manufacturer’s design for the 2005-2008 Porsche 911, Primary position.

• Standard replacement breather valve for engine crankcase ventilation service
• OE-quality direct replacement for the original part
• Built for the 2005-2008 Porsche 911, Primary position
• Designed around European vehicle fitment requirements
• Cross-reference: Genuine 99710703800

Detailed Product Overview

Rein ABH0347 is an engine oil separator breather valve made to replace the factory unit on the Porsche 911 with OE-style fit and function. The part number ABH0347 is intended for 2005-2008 Porsche 911 applications in the Primary position, and it follows the original manufacturer’s approach for European vehicle crankcase ventilation components. If you are servicing a Porsche 911 breather valve or replacing a worn engine oil separator, this part provides a direct replacement path without changing the original system layout.

Common Issues This Part Can Address

• Oil vapor control concerns related to a worn breather valve
• Crankcase ventilation performance loss from a failing separator
• Rough engine operation caused by air management issues in the breather system
• Oil residue buildup from degraded separator function
• OE replacement needs for Porsche 911 engine service

Installation Notes and Tips

Verify the vehicle year, model, and Primary position before installation. Compare the original unit to Rein ABH0347 and confirm the connector and mounting layout match the factory part. For best results, inspect related crankcase ventilation components during service and replace any damaged hoses or seals found during removal.

Quality Assurance

Rein Automotive positions this breather valve as an OE-quality replacement built to mirror the original manufacturer’s design. It is intended as a direct replacement for the factory breather valve on the listed Porsche 911 applications.