Bosch 040 fuel pump (B6 Audi intank)

Quieter and easier to fit than Walbros, the Bosch 040 fits inside a B6 Audi's fuel tank. It fits and operates in stock position when combined with an adapter ring (no longer offered here). Ideal for keeping high-boost fuel rail pressure when running big injectors. Supplied bare with outlet fitting available separately. No surge tank is needed for faultless operation.

Stock B6 Audi pump vs. Bosch 040

Stock B6 Audi A4 fuel pump compared to the Bosch 044.

Bosch 040 fuel pump

  • 500 Horsepower-Capable
  • Flow at 55 PSI: 175 LPH
  • Flow at 75 PSI: 155 LPH
  • Inlet: Open (Screen Filter)
  • Outlet: M10 x 1.0
  • Positive: M6
  • Negative: M5


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  • Model: PMPB040
  • Manufactured by: Bosch

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