Bosch
Gasoline Fuel Filter

Bosch 77057WS Fuel Filter

Brand Bosch 77057WS
Fuel Type Gas
Mounting Type In-line
Product line Gasoline Fuel Filter
Fits Ford, Mazda, and Mercury · 33 vehicles

In-line design. Fits neatly into the fuel system for straightforward service.

99% fuel filtration. Helps protect the engine by trapping contaminants efficiently.

Bosch engineering. Built with premium materials and modern production methods.

Cross-references 1F2013470A for the same application. See all 1.

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Bosch Gasoline Fuel Filter 77057WS

Bosch 77057WS is an in-line gasoline fuel filter built for clean fuel delivery and consistent engine protection. It uses premium materials and Bosch injection-system expertise to deliver high-efficiency filtration with 99% fuel filtration, helping maintain dependable performance in the vehicles listed below.

Key Features

  • In-line gasoline fuel filter for fuel system service
  • Premium-quality construction for reliable filtration performance
  • 99% fuel filtration to help protect injectors and engine components
  • Designed for gasoline applications only
  • Fits confirmed Ford, Mazda, and Mercury applications with matching fuel system configurations

Product Details

This Bosch Gasoline Fuel Filter line is engineered for vehicles that rely on clean, steady fuel flow. The 77057WS part number is used across multiple Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Explorer Sport, Mazda B2300, Mazda B3000, Mazda B4000, Mazda B2500, and Mercury Mountaineer applications. Bosch recommends replacing the fuel filter at the manufacturer-specified interval to help maintain performance and extend engine life. This part cross-references 1F2013470A for the same application.

What It Helps Address

  • Restricted fuel flow from a clogged filter
  • Fuel contamination reaching injectors and engine components
  • Rough running caused by poor fuel delivery
  • Loss of performance related to overdue fuel filter service
  • Dependability issues tied to dirty gasoline fuel systems

Installation Notes and Tips

  • Confirm the vehicle’s fuel system configuration before ordering; fitment includes 3-port applications and date-specific coverage.
  • Fits 2000-2003 Ford Ranger, N/A.
  • Fits 1999-2001 Ford Explorer, N/A, 3 Ports.
  • Fits 2002 Ford Explorer Sport Trac, N/A, to 02/2002.
  • Fits 2001-2003 Mazda B2300, N/A.
  • Follow the vehicle service procedure for safe fuel system depressurization before replacement.

Quality Assurance

Bosch fuel filters are produced with modern manufacturing methods and application-specific filtration knowledge to support consistent fuel system service. Bosch recommends replacement at the intervals specified by the vehicle manufacturer.

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2003FordRanger3.0LV6FLEXN/AGasoline Fuel Filter
2003MazdaB23002.3LL4N/AGasoline Fuel Filter
2003MazdaB30003.0LV6N/AGasoline Fuel Filter
2003MazdaB40004.0LV6N/AGasoline Fuel Filter
2002FordExplorer Sport Trac4.0LV6N/ATo 02/2002; Gasoline Fuel Filter
2002FordRanger3.0LV6FLEXN/AGasoline Fuel Filter
2002MazdaB23002.3LL4N/AGasoline Fuel Filter
2002MazdaB30003.0LV6N/AGasoline Fuel Filter
2002MazdaB40004.0LV6N/AGasoline Fuel Filter
2001FordExplorer5.0LV8N/A3 Ports; Gasoline Fuel Filter
2001FordExplorer4.0LV6N/A3 Ports; Gasoline Fuel Filter
2001FordExplorer Sport4.0LV6N/A3 Ports; Gasoline Fuel Filter
2001FordExplorer Sport Trac4.0LV6N/A3 Ports; Gasoline Fuel Filter
2001FordRanger3.0LV6FLEXN/AGasoline Fuel Filter
2001MazdaB23002.3LL4N/AGasoline Fuel Filter
2001MazdaB25002.5LL4N/AFrom 05/2001; Gasoline Fuel Filter
2001MazdaB30003.0LV6GASN/AGasoline Fuel Filter
2001MazdaB40004.0LV6N/AGasoline Fuel Filter
2001MercuryMountaineer5.0LV8N/A3 Ports; Gasoline Fuel Filter
2001MercuryMountaineer4.0LV6N/A3 Ports; Gasoline Fuel Filter
2000FordExplorer5.0LV8N/A3 Ports; Gasoline Fuel Filter
2000FordExplorer4.0LV6N/A3 Ports; Gasoline Fuel Filter
2000FordRanger2.5LL4N/AGasoline Fuel Filter
2000FordRanger4.0LV6N/AGasoline Fuel Filter
2000FordRanger3.0LV6N/AGasoline Fuel Filter
2000MazdaB25002.5LL4N/AGasoline Fuel Filter
2000MazdaB30003.0LV6N/AGasoline Fuel Filter
2000MercuryMountaineer5.0LV8N/A3 Ports; Gasoline Fuel Filter
2000MercuryMountaineer4.0LV6N/A3 Ports; Gasoline Fuel Filter
1999FordExplorer5.0LV8N/A3 Ports; Gasoline Fuel Filter
1999FordExplorer4.0LV6N/A3 Ports; Gasoline Fuel Filter
1999MercuryMountaineer5.0LV8N/A3 Ports; Gasoline Fuel Filter
1999MercuryMountaineer4.0LV6N/A3 Ports; Gasoline Fuel Filter
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1F2013470A