Elring 004 997 56 46 65 Differential Pinion Shaft Seal

The Elring 004 997 56 46 65 is a precision-engineered differential pinion seal designed to maintain a leak-free barrier at the pinion shaft of the differential assembly. Elring is a globally recognized OEM supplier of sealing and gasket solutions, trusted by major European automakers including Mercedes-Benz, for whom this part number is commonly cross-referenced.

Key Features:

• Manufactured to OEM specifications for precise fitment and long-term reliability
• Constructed from high-quality elastomeric compound to resist heat, differential gear oil, and mechanical wear
• Seals the pinion shaft opening in the differential housing to prevent gear oil leakage
• Maintains proper lubrication levels within the differential, protecting ring and pinion gears
• Direct OEM-equivalent replacement — no modification required for installation

As a leading supplier to original equipment manufacturers, Elring produces seals that meet or exceed factory standards. Replacing a worn or leaking differential pinion seal promptly helps prevent costly differential damage caused by gear oil loss. This seal is a straightforward service item suitable for professional technicians and experienced DIY mechanics alike.

Manufacturer Part Number: 004 997 56 46 65