Bosch 77026WS Fuel Filter

Bosch Gasoline Fuel Filter 77026WS

Bosch 77026WS is an in-line gasoline fuel filter built for Nissan, INFINITI, Mercury, and Isuzu applications that require clean fuel delivery and stable engine performance. It uses premium materials and Bosch fuel-system engineering to deliver high-efficiency filtration with 99% fuel filtration for the listed applications.

Key Features

• In-line gasoline fuel filter for fuel system protection
• 99% fuel filtration for cleaner fuel delivery
• Premium-quality materials and modern production methods
• Built for gasoline applications with in-line mounting
• Recommended replacement at manufacturer-specified service intervals
• Fits a wide range of Nissan Maxima, Sentra, Pathfinder, Frontier, and Xterra applications

Product Details

This Bosch Gasoline Fuel Filter line is focused on maintaining fuel-system cleanliness and supporting dependable engine operation. The 77026WS part number is used across many Nissan and INFINITI platforms, including 1985-1999 Nissan Maxima, 1987-1999 Nissan Sentra, 1996-2004 Nissan Pathfinder, 1998-2004 Nissan Frontier, and 2000-2004 Nissan Xterra. It also covers select INFINITI Q45, G20, I30, M30, and QX4 applications, plus Mercury Villager and several Isuzu models. Bosch recommends replacing the fuel filter at the interval specified by the vehicle manufacturer to help maintain performance and extend engine life. This part cross-references 164000W005 and 8941257840 for the same application.

What It Helps Address

• Restricted fuel flow from a clogged filter
• Contaminants reaching injectors and fuel-system components
• Rough running caused by poor fuel delivery
• Loss of performance from overdue fuel filter service
• Dependability issues on high-mileage gasoline vehicles

Installation Notes

Compatible With in-line gasoline fuel filter applications only. Verify the vehicle’s year, make, model, and fuel-system configuration before ordering. Body fitment includes entries such as Fits 1998-2004 Nissan Frontier, Fits 1996-2004 Nissan Pathfinder, and Fits 2000-2004 Nissan Xterra, with notes for select configurations like California emissions or parts produced outside Japan. Follow the vehicle service manual for fuel-system depressurization and replacement procedures.

Quality Assurance

Bosch applies fuel-system expertise, premium materials, and modern manufacturing methods to this fuel filter line. The 77026WS is engineered for high-efficiency filtration and consistent service in gasoline applications across the listed fitments.