Genuine Mercedes 010-997-43-45 Self-Leveling Suspension Hydraulic Pump O-Ring

This Genuine Mercedes-Benz O-ring is designed specifically for the Self-Leveling Suspension (SLS) hydraulic pump and serves as the top sealing ring on the pump assembly. The O-ring features a 2mm cross section and 54mm inner diameter, manufactured to OEM specifications for precise fitment and reliable sealing.

Key Features:

• Genuine Mercedes-Benz OEM quality O-ring
• Metric specifications: 2mm thickness x 54mm inner diameter
• Designed for SLS hydraulic pump top seal position
• Prevents hydraulic fluid leaks and system contamination
• Essential component for proper SLS system operation

This O-ring fits W123 wagon models, some W116 models, and first-generation W126 models equipped with Self-Leveling Suspension. The SLS hydraulic pump can leak both internally and externally, and when caught early, the pump can be removed, opened up, and resealed. Regular maintenance of these seals helps prevent costly pump damage and ensures your self-leveling suspension system operates at peak performance.

This O-ring is typically part of an SLS pump rebuild kit that includes gaskets and sealing rings. Replacing worn O-rings is essential preventive maintenance to avoid hydraulic fluid contamination and maintain proper system pressure.