ELRING 104.380 Seals

Elring 104.380 Valve Stem Seal

The Elring 104.380 is a high‑performance valve stem seal designed for use in a wide range of automotive and light commercial vehicles. It provides reliable sealing between the valve stem and the cylinder head, preventing oil leakage while withstanding extreme temperatures, pressures, and chemical exposure.

Key Features

• Material: Premium fluorinated rubber (FPM) that offers excellent resistance to engine oils, fuels, and high‑temperature environments.
• Design: Precision engineered ring with a smooth inner surface for minimal friction and a robust outer profile that maintains contact under dynamic loads.
• Compatibility: Fits a broad range of engines from small passenger cars to heavy trucks, including models from MERCEDES‑BENZ, OPEL, VOLVO, CHRYSLER, DODGE, JEEP, and many others.
• Durability: Designed to meet or exceed OEM specifications, ensuring long service life even under demanding operating conditions.
• Installation: Straightforward replacement of the existing valve stem seal; no special tools required beyond standard automotive equipment.

Applications Across Vehicle Brands

The Elring 104.380 is engineered to fit a variety of vehicle platforms, making it a versatile choice for mechanics and fleet operators alike:

Technical Specifications

• Ring Diameter: 104.380 mm (standard size)
• Thickness: Optimized for maximum sealing surface while maintaining flexibility.
• Temperature Range: -40 °C to +200 °C
• Pressure Rating: Up to 20 bar (288 psi)
• Chemical Resistance: Excellent resistance to engine oil, fuel additives, and coolant.

Installation Guide

1. Remove the valve cover and access the cylinder head.
2. Extract the old valve stem seal using a suitable extractor or by gently prying it out with a flat tool.
3. Clean the valve stem and cylinder head surface to remove any debris or residue.
4. Insert the new Elring 104.380 seal, ensuring it sits flush against the valve stem without twisting.
5. Reinstall the valve cover and complete the engine assembly as per manufacturer’s procedure.

Maintenance Tips

• Inspect seals during routine maintenance or when oil leaks are detected around the cylinder head.
• Avoid over‑tightening fasteners that could compress the seal excessively, leading to premature wear.
• Keep the engine bay clean and free of excessive moisture to prevent corrosion on the valve stem area.

Why Choose Elring 104.380?

The Elring 104.380 stands out due to its combination of material quality, design precision, and proven compatibility across a wide spectrum of vehicle models. Its robust construction ensures that it can handle the demanding conditions found in modern engines while delivering reliable performance over extended periods.

Conclusion

For mechanics, fleet managers, or automotive enthusiasts seeking a dependable valve stem seal, the Elring 104.380 offers an optimal blend of durability, compatibility, and ease of installation. Its proven track record across numerous vehicle brands makes it a trusted choice for maintaining engine integrity and preventing costly oil leaks.