Elring 388.180 Differential Seal

Reliable Differential Seal for Mercedes-Benz Models

The Elring 388.180 differential seal is engineered to provide durable sealing performance for a range of Mercedes-Benz vehicles. Designed with precision, this seal ensures optimal protection against leaks and contamination in the driveline system.

• Material: Acm (polyacrylate) for enhanced chemical and temperature resistance
• Inside Diameter: 33.0 mm for precise fitment
• Outside Diameter: 56.0 mm ensuring secure installation
• Height: 11.8 mm for proper sealing depth
• Radial Shaft Seal Design: Aw/b type for effective sealing
• Swirl Type: Wd to maintain lubrication and reduce wear
• Without dust lip for specific application requirements

Technical Details and Construction

This differential seal is constructed from Acm (polyacrylate), a material known for its resistance to oils, heat, and aging, making it suitable for demanding automotive environments. The 33.0 mm inside diameter and 56.0 mm outside diameter dimensions are designed to match the differential shaft specifications of various Mercedes-Benz models, including the 260E, 300CE, 300D, 300E, 300SD, 300SE, 300SL, 300TD, 300TE, 350SD, 350SDL, C220, E300, E320, S320, and S350. The radial shaft seal design (Aw/b) and swirl type (Wd) contribute to maintaining effective lubrication while preventing dirt ingress, even without a dust lip.

Compatible Mercedes-Benz Models and Applications

This Elring differential seal (part number 388.180) is compatible with a wide range of Mercedes-Benz vehicles, particularly models from the 260E through the S350 series. It is specifically designed for use in the driveline and axle differential assemblies, ensuring a tight seal to prevent oil leaks and contamination.

• Prevents differential oil leaks
• Protects against dirt and debris entering the differential
• Maintains proper lubrication within the differential assembly
• Reduces wear on differential components
• Helps avoid costly drivetrain repairs due to seal failure

Installation Notes and Tips

When installing the Elring 388.180 differential seal, ensure the sealing surfaces are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the correct orientation of the seal, noting that this model does not include a dust lip, which is important for proper fitment. Lubricate the seal lip lightly with differential oil before installation to reduce initial wear.

Quality Assurance and Warranty

Elring manufactures this differential seal to meet strict quality standards, ensuring reliable performance in demanding automotive applications. The use of Acm material provides durability against heat and chemical exposure. While specific warranty details may vary, Elring products typically come with manufacturer-backed quality assurance to support long-term use in Mercedes-Benz driveline systems.