GM Genuine PartsFuel Tank Sending Unit O-Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These O-rings help seal out contaminants and help protect your vehicle's fuel tank sending unit. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps seal out contaminants
• Helps protect fuel tank sending unit
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment [OE]
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies