Elring 703.550 Engine Crankshaft Seal

Overview of Elring Engine Crankshaft Seal 703.550

The Elring 703.550 engine crankshaft seal is designed specifically for BMW i3 and i3s models. Manufactured from durable Fpm (fluoride rubber), this seal ensures reliable performance and effective sealing in demanding engine environments.

• Material: Fpm (fluoride rubber) for high resistance to heat and chemicals
• Inside Diameter: 54.0 mm
• Outside Diameter: 70.0 mm
• Thickness: 8.0 mm
• Includes dust cover with dust lip for enhanced protection
• Radial shaft seal design: ASW
• Swirl type: LD for optimized sealing efficiency

Technical Details and Material Properties

The Elring 703.550 crankshaft seal is constructed from Fpm, a fluoride rubber known for its excellent resistance to oils, fuels, and high temperatures commonly found in engine compartments. The seal’s dimensions—54.0 mm inside diameter, 70.0 mm outside diameter, and 8.0 mm thickness—are engineered to fit precisely on the crankshaft of BMW i3 and i3s vehicles. The ASW radial shaft seal design combined with the LD swirl type enhances sealing performance by reducing leakage and wear. Additionally, the integrated dust cover with a dust lip protects the seal from contaminants, extending its service life.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with the following BMW models:

• BMW i3
• BMW i3s

It is intended for use in the engine’s sealing system to prevent oil leaks and maintain proper lubrication of the crankshaft area.

Common Issues Addressed by the Elring 703.550 Seal

• Prevents oil leaks around the crankshaft
• Protects engine components from dust and debris ingress
• Reduces wear caused by contaminants and heat exposure
• Maintains engine oil pressure and lubrication integrity
• Minimizes risk of crankshaft seal failure in BMW i3 and i3s engines

Installation Notes and Tips

When installing the Elring 703.550 crankshaft seal, ensure the sealing surface and crankshaft are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation, especially the dust lip side, to ensure proper protection against contaminants. It is recommended to inspect the crankshaft for wear or damage before fitting the new seal.

Quality Assurance and Warranty

Elring manufactures the 703.550 crankshaft seal to meet OEM specifications for BMW vehicles. The use of Fpm material and precise engineering ensures durability and reliable sealing performance. While specific warranty details may vary, Elring products typically come with a manufacturer-backed warranty covering defects in materials and workmanship.