奔驰S级W221燃油泵总成 A2214708494 原车替换件高品质

This replacement part is benchmarked to the original factory standards in material and workmanship. The pump body uses high-density engineering plastic and corrosion-resistant metal components; the fuel pump rotor is dynamically balanced for durability under long-term high-load conditions, avoiding early wear or unstable fuel supply found in some low-cost parts. OEM number A2214708494, compatible with Mercedes-Benz W221 / S-Class (2005-2013), directly replacing the original fuel pump assembly. Functionally, it pumps fuel from the tank to the engine to maintain system pressure within the standard range, ensuring smooth starting and quick acceleration response. Installation/replacement difficulty: medium; requires removing the rear seat under-seat fuel tank cover, disconnecting fuel lines and electrical connectors. Suggested for experienced operators to avoid seals misinstallation causing leaks.