Bosch 77090WS Fuel Filter

Bosch Gasoline Fuel Filter 77090WS

Bosch 77090WS is an in-line gasoline fuel filter built for consistent fuel delivery and engine protection. It uses premium materials and Bosch injection-system expertise to deliver high-efficiency filtration with 99% fuel filtration, helping keep contaminants out of the fuel system.

Compatible With Ford Escape, Ford Taurus, Mercury Mariner, Mazda Tribute, and other listed applications, this Bosch gasoline fuel filter supports dependable performance across a wide range of Ford, Mercury, Lincoln, and Mazda vehicles.

Key Features

• In-line gasoline fuel filter for fuel system service
• 99% fuel filtration for cleaner fuel delivery
• Built with premium-quality materials
• Engineered using Bosch fuel-injection system knowledge
• Recommended replacement at manufacturer-specified service intervals
• Fits broad Ford, Mercury, Lincoln, and Mazda applications

Product Details

The Bosch Gasoline Fuel Filter line is designed to help maintain fuel system cleanliness and stable engine operation. By filtering out debris before it reaches sensitive injection components, the Bosch 77090WS helps support consistent performance and longer engine life when replaced on schedule. This part cross-references Ford/Mazda applications such as AJ0313480 and YF1Z9155CA for the same application.

Fits 2008-2011 Mazda Tribute, N/A. Fits 2001-2006 Mazda Tribute, N/A. Fits 2009-2011 Mercury Mariner, N/A. Fits 2005-2007 Mercury Mariner, N/A. Fits 2001-2007 Ford Escape, N/A. Fits 2002-2007 Ford Taurus, N/A. Fits 1986-2000 Ford Taurus, N/A. Fits 2002-2005 Mercury Sable, N/A. Fits 1986-2000 Mercury Sable, N/A. Fits 1983-2002 Lincoln Continental, N/A. Fits 1980 Lincoln Continental, N/A. Fits 1999-2002 Mercury Cougar, N/A. Fits 1983-1988 Mercury Cougar, N/A. Fits 1995-2000 Ford Contour, N/A. Fits 1995-2000 Mercury Mystique, N/A. Fits 1986-1997 Ford Aerostar, N/A. Fits 1992-1997 Ford Crown Victoria, N/A. Fits 1983-1997 Ford Mustang, N/A. Fits 1983-1997 Lincoln Town Car, N/A. Fits 1983-1997 Mercury Grand Marquis, N/A. Fits 1983-1996 Ford Escort, N/A. Fits 1991-1996 Mercury Tracer, N/A. Fits 1985-1994 Ford Ranger, N/A. Fits 1985-1994 Ford Tempo, N/A. Fits 1994 Mazda B3000, N/A. Fits 1985-1994 Mercury Topaz, N/A. Fits 1990-1992 Ford Probe, N/A. Fits 1984-1992 Lincoln Mark VII, N/A. Fits 1986-1991 Ford Bronco, N/A. Fits 1985-1991 Ford E-150 Econoline, N/A. Fits 1985-1991 Ford E-150 Econoline Club Wagon, N/A. Fits 1985-1991 Ford E-250 Econoline, N/A. Fits 1987-1991 Ford E-250 Econoline Club Wagon, N/A. Fits 1987-1991 Ford E-350 Econoline, N/A. Fits 1987-1991 Ford E-350 Econoline Club Wagon, N/A. Fits 1986-1991 Ford F-150, N/A. Fits 1986-1991 Ford F-250, N/A. Fits 1987-1991 Ford F-350, N/A. Fits 1987-1991 Ford LTD Crown Victoria, N/A. Fits 1987-1991 Mercury Colony Park, N/A. Fits 1986-1990 Ford Bronco II, N/A. Fits 1983-1988 Ford Thunderbird, N/A. Fits 1986-1987 Ford E-150 Econoline, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford E-150 Econoline Club Wagon, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford E-250 Econoline, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford E-250 Econoline Club Wagon, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford E-350 Econoline, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford E-350 Econoline Club Wagon, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford F-150, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford F-250, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Ford F-350, N/A, Located in fuel line; Gasoline Fuel Filter. Fits 1986-1987 Mercury Lynx, N/A. Fits 1983-1984 Mercury Lynx, N/A. Fits 1984-1986 Ford LTD, N/A. Fits 1983-1986 Mercury Capri, N/A. Fits 1985-1986 Mercury Marquis, N/A. Fits 1983 Lincoln Mark VI, N/A. Fits 1980 Lincoln Mark VI, N/A. Fits 1983 Mercury LN7, N/A.

Common Uses

• Restoring fuel flow on a Ford Escape, Taurus, or Ranger with a restricted filter
• Reducing fuel contamination in older Ford, Mercury, and Lincoln fuel systems
• Addressing hard-start or rough-running conditions caused by a clogged gasoline fuel filter
• Supporting maintenance on high-mileage Mazda Tribute and Mercury Mariner models
• Replacing a service-worn in-line fuel filter during scheduled fuel system maintenance

Installation Notes

Verify the vehicle year, make, model, and fuel system layout before installation. This Bosch fuel filter is an in-line design, and some listed applications note a fuel-line location. Follow the vehicle service procedure for depressurizing the fuel system and confirm the filter orientation matches the fuel flow direction.

Quality Assurance

Bosch engineers this gasoline fuel filter with modern production methods and fuel-system application knowledge to support reliable filtration performance. Bosch recommends replacement at the manufacturer-specified interval to help maintain engine performance and extend engine life.