Fuel Filter for 1984 Mercedes-Benz 190D - Bosch N 4123

Diesel Fuel Filter

The Diesel Fuel Filter protects the injection system and the engine against particles such as water, dirt and other residue in the fuel that can be harmful for the important components of the fuel system.

• Bosch Fuel Filters are engineered to protect your fuel system, injectors, and engine from harmful contaminants. Featuring advanced multi-layer filtration media and an optimized pleat design, they deliver high filtration efficiency with excellent particle-holding capacity to maintain consistent fuel flow and prevent restrictions over the filter’s lifespan. Built with corrosion-resistant materials and a durable heavy-gauge shell (where applicable), each filter is pressure-, vibration-, and burst-tested to help prevent leaks and ensure reliable performance. Designed and tested as a direct OE replacement, Bosch Fuel Filters help maintain fuel economy, engine power, and long-term reliability when replaced according to manufacturer-recommended service intervals.
• Multi-layered fuel filter keeps the fuel system, injectors and engine uncontaminated, ensuring peak performance
• Advanced filtration performance balances efficiency and a high particle holding capacity, which prevents restrictions throughout the filter's lifespan
• Enhanced pleat design ensures reliable filtration by eliminating the bypass of unfiltered fuel and contaminants
• Durable filter assembly made with corrosion-resistant materials and a heavy-gauge shell (where applicable) ensures a strong and reliable filter
• Pressure, vibration and burst resistant design prevents internal and external leaks
• Differential pressure tested to ensure proper fuel flow for optimal engine performance
• Following manufacturer recommended maintenance schedules with a Bosch Fuel Filter prevents degradation of fuel economy, performance, and helps prevent costly repairs
• Bosch Fuel Filters are designed and tested to be direct OE replacements