X1 & S3 FUEL SYSTEM REBUILD KIT

Complete fuel pump assembly rebuild kit for X1 and S3 models.  
 
Includes the following:
 
Your Choice of Delphi or Walbro 521 Fuel Pump.  Both come with Lifetime Warranty against manufacturing defects!
Fuel Inlet Strainer
Napa Gold In-Line Fuel Filter
Complete set of Viton seals and O-rings including fuel vent O-ring
Dowty Seal
Stainless Steel Pinch Clamps
Stock 49 PSI Fuel Pressure Regulator (FPR)
 
Optional: 
Replacement Low Fuel Level Sensor (Thermistor)