Notes: Stamped TDC;Original OE design had a 2x2 connector, OE design upgraded to a 1x4 connector; A 1x4 splice kit Incld for vehicles w/2x2 connector; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, Delphi recommends cleaning the fuel tank before installing a new pump. Use of fuel tank cleaning kit FC01 is recommended.