Elring 157.560 Engine Valve Stem Oil Seal

Overview of Elring Engine Valve Stem Oil Seal 157.560

The Elring engine valve stem oil seal 157.560 is designed for precise sealing performance in BMW vehicles, specifically the 335d and X5 models. Manufactured from durable FPM (fluoride rubber), this seal ensures reliable operation under demanding engine conditions.

• Material: FPM (fluoride rubber) for high resistance to heat and chemicals
• Inside Diameter: 11.5 mm for accurate fitment
• Outside Diameter: 23.3 mm providing secure sealing
• Thickness: 19.5 mm ensuring proper compression and durability
• Valve Stem Diameter: 6 mm compatible with specified BMW valve stems

Technical Description and Specifications

The Elring 157.560 engine valve stem oil seal is engineered to maintain optimal sealing around the valve stem, preventing oil leakage into the combustion chamber. The FPM material offers excellent resistance to high temperatures and engine fluids, which is critical for maintaining engine efficiency and reducing emissions. The precise dimensions—11.5 mm inside diameter, 23.3 mm outside diameter, and 19.5 mm thickness—ensure a tight fit on the valve stem diameter of 6 mm, tailored for BMW 335d and X5 engines.

Compatible BMW Models and Applications

This valve stem oil seal is compatible with BMW 335d and BMW X5 models, providing a direct replacement part for maintaining engine valve sealing integrity. It is suitable for use in engine maintenance and repair tasks where valve stem oil seals require replacement due to wear or leakage.

• Prevents oil leakage into the combustion chamber
• Reduces valve guide wear by maintaining proper lubrication
• Helps maintain engine compression and performance
• Minimizes exhaust smoke caused by oil burning
• Supports emission control by preventing oil contamination

Installation Notes and Tips

When installing the Elring 157.560 valve stem oil seal, ensure the valve stem and surrounding areas are clean and free of debris. Proper lubrication of the seal during installation can help prevent damage and ensure a secure fit. Use appropriate tools to avoid deforming the seal and verify the dimensions match the engine specifications for BMW 335d and X5 models.

Quality Assurance and Warranty

Elring manufactures this valve stem oil seal to meet OEM standards, ensuring consistent quality and durability. The use of FPM material provides resistance to heat and chemical exposure typical in engine environments. While specific warranty details are not provided, Elring products are generally backed by quality control processes to support reliable engine performance.