Bosch 66157 Fuel Pump Module Bosch aftermarket fuel assemblies are built and tested to the same rigorous quality standards as our OE fuel pumps to ensure a long, reliable service life Exact original equipment (OEM) for this application Patented turbine pump technology virtually eliminates fuel pulsation, noise, and reduces hot-start problems. Designed to operate under extreme temperatures and under low fuel conditions while maintaining an extended service life All Bosch fuel pumps are 'end-of-line' function tested in order to ensure highest quality and performance of all pumps in our program