Description
The OEM Diesel Filter Housing O-Ring (Part Number: A6512031080) is a genuine Mercedes-Benz sealing component designed to create a secure, leak-free seal within the diesel fuel filter housing. It prevents fuel leakage and air ingress, ensuring correct fuel pressure and smooth engine operation.
Manufactured to Mercedes-Benz factory specifications using high-quality, fuel-resistant elastomer materials, this O-ring offers precise fitment, durability, and long service life. A worn or damaged O-ring may cause fuel leaks, hard starting, loss of pressure, or poor engine performance. Replacing it with an OEM O-ring restores proper sealing and reliable diesel fuel system function.

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