Rear hub seal A0139975947

Description

Rear hub seal by MERCEDES, OEM A0139975947, works in the suspension and helps maintain handling and tire contact with the road. The source file identifies the item as “Сальник задней ступицы”. Match the part primarily by its exact number, identification, and vehicle specification. Before purchase, confirm compatibility, completeness, and the actual condition of the item.

REAR WHEEL HUB SEAL. The rear wheel hub seal is a sealing component of the wheel hub assembly designed to prevent lubricant leakage and protect the wheel bearing from moisture, dust and road contaminants. The seal ensures proper lubrication and long service life of the rear wheel bearing by maintaining a sealed environment inside the hub assembly. Structurally the seal consists of a metal outer ring and an elastomer sealing lip made from oil-resistant rubber or fluorocarbon material capable of withstanding temperature changes and exposure to lubricants. The sealing lip maintains constant contact with the rotating hub or axle surface to provide reliable sealing during wheel rotation. Proper operation prevents contamination and protects the bearing from premature wear. Failure symptoms may include grease leakage, contamination of the bearing, abnormal noise from the wheel hub or accelerated bearing wear. Causes may include seal wear, installation damage or contamination. Our catalog includes genuine OEM rear wheel hub seals, quality aftermarket replacements and inspected used components free from deformation or sealing damage. Used parts are checked for sealing surface integrity and structural condition. Selection is based on VIN number, hub type and part number. Proper replacement ensures hub sealing integrity and reliable wheel bearing operation.

About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

Rear hub seal by MERCEDES, OEM A0139975947, is a component that works in the suspension and helps maintain handling and tire contact with the road. The source data describes this item as “Сальник задней ступицы”. Correct operation of this part supports the related assembly and the vehicle functions designed around it. Wear may show as knocking over uneven roads, vibration, reduced stability, uneven tire wear, or visible play. A single symptom does not always prove that this exact component has failed, so power supply, wiring, mountings, or adjacent parts should be checked as appropriate before replacement. When matching the part, compare the OEM number, axle and installation side, suspension version, dimensions, and mounting design. OEM A0139975947 is the primary reference, but an identical product name does not guarantee compatibility across different vehicle specifications. Compare the offered part with the removed unit and confirm fitment by VIN when necessary.

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