Bosch 78006WS Fuel Filter

Bosch Diesel Fuel Filter for Mercedes-Benz and Sprinter

The Bosch Diesel Fuel Filter 78006WS is built for diesel fuel systems that need clean, consistent fuel delivery. It helps protect the injection system and engine from water, dirt, and other residue found in fuel, while filtering particles down to as low as 6.5 microns unless OE specifications call for otherwise.

Compatible With Mercedes-Benz GL350, E350, R350, and ML350 diesel applications, plus Dodge Sprinter 2500, Sprinter 3500, and Jeep Grand Cherokee diesel models, this Bosch Diesel Fuel Filter supports reliable filtration for a wide range of diesel vehicles. The Bosch 78006WS is a cartridge-style fuel filter made for direct replacement service.

Key Features

• Diesel fuel filter for air and fuel delivery systems
• Filters contaminants such as water, dirt, and fuel residue
• Fine filtration down to 6.5 microns unless OE specifies otherwise
• Cartridge mounting type for service replacement
• Fits select Mercedes-Benz, Dodge, and Jeep diesel applications
• Bosch part number 78006WS for easy identification

Product Details

Bosch Diesel Fuel Filters are engineered to help maintain fuel system cleanliness in diesel engines. By removing small particles before they reach the injection system, the filter supports consistent fuel flow and helps reduce wear on critical components. This part cross-references OE-style numbers 5175429AB and 2214701490 for the same application. If you are replacing a diesel fuel filter on a Mercedes-Benz GL350, E350, R350, or ML350, or on a Dodge Sprinter 2500, Sprinter 3500, or Jeep Grand Cherokee diesel model, Bosch 78006WS is a direct-fit service part to consider.

Common Issues This Filter Can Address

• Restricted fuel flow caused by a dirty diesel filter
• Contamination from water or sediment in diesel fuel
• Hard starting related to fuel delivery restriction
• Reduced injection system protection from fine debris
• Service replacement for worn or clogged fuel filter elements

Installation Notes and Tips

Confirm the vehicle year, make, and model against the fitment list before installation. Replace the filter according to the vehicle service schedule and inspect the fuel system for contamination during service. Because this is a cartridge-style diesel fuel filter, follow the vehicle-specific service procedure for housing access and sealing surfaces.

Quality Assurance

Bosch manufactures this diesel fuel filter to support fuel system protection in diesel applications. The filtration rating and OE-based fitment focus make the Bosch 78006WS a practical replacement choice for service maintenance on select Mercedes-Benz, Dodge, and Jeep diesel vehicles.