Elring 843.680 Differential Seal

Elring Differential Seal for Porsche 911

The Elring 843.680 differential seal is engineered to provide reliable sealing performance for Porsche 911 driveline systems. Designed with durable FPM (fluoride rubber) material and a dust lip, this seal helps maintain optimal differential function by preventing fluid leaks and contamination.

• Material: FPM (fluoride rubber) for chemical and temperature resistance
• Inside Diameter: 40.0 mm
• Outside Diameter: 60.0 mm
• Height: 10 mm
• Includes dust cover with dust lip for enhanced protection
• Radial shaft seal design: AS2W
• Swirl type: WD for improved sealing efficiency

Technical Details and Design Features

This differential seal from Elring is specifically designed for the Porsche 911, ensuring precise fitment and reliable sealing performance. The FPM (fluoride rubber) material offers excellent resistance to heat, oils, and chemicals commonly encountered in automotive differentials. The seal’s 40.0 mm inside diameter and 60.0 mm outside diameter dimensions match the OEM specifications for a secure fit. The integrated dust lip provides additional protection against dirt and debris, extending the service life of the differential components. The AS2W radial shaft seal design and WD swirl type contribute to effective sealing under dynamic conditions.

Applications and Problem Solving

This Elring differential seal 843.680 is compatible with Porsche 911 models and is used to maintain the integrity of the differential assembly. It addresses common issues such as:

• Preventing differential fluid leaks that can lead to lubrication failure
• Protecting internal components from dust and contaminants
• Reducing wear on differential shafts by maintaining proper sealing
• Minimizing the risk of overheating due to fluid loss
• Ensuring consistent differential performance and vehicle handling

Installation Notes and Tips

When installing the Elring 843.680 differential seal, ensure the sealing surfaces are clean and free of debris. Use appropriate tools to avoid damaging the FPM material or the dust lip. Verify the seal orientation matches the dust lip direction to maximize protection. It is recommended to inspect the differential housing and shaft for wear or damage before installation to ensure optimal sealing performance.

Quality Assurance and Warranty

Elring manufactures this differential seal to meet strict quality standards, ensuring durability and reliable performance in Porsche 911 driveline applications. The use of FPM material and precise manufacturing processes supports long service life. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.