Fuel Pump
Fuel Pump
Fuel Pump
Fuel Pump

Bosch In-Tank Fuel Pump for Porsche 718 Boxster/718 Cayman/991 (2017–2021)

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  • $225.95
  • $644.10
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This Bosch in-tank fuel pump is a direct-fit replacement for Porsche 718 Boxster/718 Cayman/991 applications listed in the fitment table below. It supplies fuel from the tank to the rest of the system and needs to match the car's original delivery requirements.

Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability.

Technical Details

  • Manufacturer part number: 66857
  • Type: In-tank fuel pump
  • Application range: Porsche 718 Boxster/718 Cayman/991 (2017–2021)
  • Function: Delivers fuel from the tank to the direct-injection system

Fitment & Compatibility

Use the fitment table below to confirm Porsche model, year, and submodel coverage. Where Porsche fitment changes by engine, trim, or production range, the table is the best place to verify the exact application before ordering.

If you want a second set of eyes on fitment before ordering, send us your VIN. We have been working with Porsche brake and parts applications for over 20 years, and we still take fitment questions seriously.

Year Make Model Submodel Notes
2017 Porsche 718 Boxster
2018 Porsche 718 Boxster
2019 Porsche 718 Boxster
2020 Porsche 718 Boxster
2021 Porsche 718 Boxster Base
2021 Porsche 718 Boxster S
2021 Porsche 718 Boxster T
2017 Porsche 718 Cayman
2018 Porsche 718 Cayman
2019 Porsche 718 Cayman
2020 Porsche 718 Cayman Base
2021 Porsche 718 Cayman Base
2020 Porsche 718 Cayman S
2021 Porsche 718 Cayman S
2020 Porsche 718 Cayman T
2021 Porsche 718 Cayman T
2017 Porsche 911 Carrera
2018 Porsche 911 Carrera
2019 Porsche 911 Carrera
2017 Porsche 911 Carrera 4
2018 Porsche 911 Carrera 4
2019 Porsche 911 Carrera 4
2018 Porsche 911 Carrera 4 GTS
2019 Porsche 911 Carrera 4 GTS
2017 Porsche 911 Carrera 4S
2018 Porsche 911 Carrera 4S
2019 Porsche 911 Carrera 4S
2018 Porsche 911 Carrera GTS
2019 Porsche 911 Carrera GTS
2017 Porsche 911 Carrera S
2018 Porsche 911 Carrera S
2019 Porsche 911 Carrera S
2018 Porsche 911 Carrera T
2019 Porsche 911 Carrera T
2017 Porsche 911 Targa 4
2018 Porsche 911 Targa 4
2019 Porsche 911 Targa 4
2018 Porsche 911 Targa 4 GTS
2019 Porsche 911 Targa 4 GTS
2017 Porsche 911 Targa 4S
2018 Porsche 911 Targa 4S
2019 Porsche 911 Targa 4S