HomeAir and Fuel Delivery > FiltersBosch N4077 Fuel Filter
Part #: N4077

Bosch N4077 Fuel Filter

Diesel Fuel Filter
⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Diesel Fuel Filter
🚗Fitment: Mercedes-Benz, 300D, 300SD, 300SDL, and 300TD
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Reliable Diesel Fuel Filtration for Mercedes-Benz Models

The Bosch Diesel Fuel Filter N4077 is designed to provide efficient fuel filtration for select Mercedes-Benz diesel vehicles. Engineered for in-line mounting, this fuel filter helps maintain optimal engine performance by removing contaminants from diesel fuel.

  • Compatible with Mercedes-Benz 300D, 300SD, 300SDL, and 300TD models
  • In-line mounting type for straightforward installation
  • Product height of approximately 4.04 inches for precise fitment
  • Designed specifically for diesel fuel systems
  • Single unit required per vehicle

About the Bosch Diesel Fuel Filter Product Line

The Bosch Diesel Fuel Filter line focuses on delivering reliable filtration solutions tailored for diesel engines. This product line emphasizes durability and consistent fuel flow, helping to protect fuel injectors and engine components from harmful particles. The N4077 model is part of this line, ensuring compatibility and performance for Mercedes-Benz diesel vehicles.

Product Details and Specifications

The Bosch N4077 fuel filter is engineered to fit in-line within the fuel delivery system of Mercedes-Benz 300D, 300SD, 300SDL, and 300TD models. With a height of 4.035 inches, it is designed to meet exact OEM specifications for these vehicles. The filter is optimized for diesel fuel, ensuring effective removal of dirt, rust, and other contaminants that can impair engine efficiency and longevity.

Common Applications and Problem Solving

  • Prevents clogging of fuel injectors by filtering diesel contaminants
  • Reduces engine misfires and rough idling caused by fuel impurities
  • Helps maintain consistent fuel pressure and flow
  • Protects the fuel pump from premature wear
  • Supports overall engine performance and fuel economy

Installation Notes and Tips

The Bosch Diesel Fuel Filter N4077 is designed for in-line mounting, which typically involves replacing the existing fuel filter along the fuel line. Ensure the vehicle is turned off and fuel system pressure is relieved before installation. Verify the filter orientation matches the fuel flow direction indicated on the part. Using one unit per vehicle is recommended for proper filtration.

Quality Assurance and Warranty

Bosch maintains strict quality control standards for its Diesel Fuel Filter line, including the N4077 model. Each filter is manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details are not provided here, Bosch products generally come with manufacturer-backed warranties to ensure reliability and customer confidence.

BrandBosch
Part NumberN4077
PositionDiesel Fuel Filter
Fuel TypeDiesel
Mounting TypeIn-line
Cases Per Pallet (ORLY)150
Product Height4.035433 in
Unit(s) per Car Qty (ORLY)1

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993Mercedes-Benz300D2.5LL5N/ALocated in fuel line; Diesel Fuel Filter
1992Mercedes-Benz300D2.5LL5N/ALocated in fuel line; Diesel Fuel Filter
1991Mercedes-Benz300D2.5LL5N/ALocated in fuel line; Diesel Fuel Filter
1990Mercedes-Benz300D2.5LL5N/ALocated in fuel line; Diesel Fuel Filter
1987Mercedes-Benz300D3.0LL6N/ADiesel Fuel Filter
1987Mercedes-Benz300SDL3.0LL6N/ALocated in fuel line; Diesel Fuel Filter
1987Mercedes-Benz300TD3.0LL6N/ALocated in fuel line; Diesel Fuel Filter
1986Mercedes-Benz300SDL3.0LL6N/ALocated in fuel line; Diesel Fuel Filter
1985Mercedes-Benz300D3.0LL5N/ADiesel Fuel Filter
1985Mercedes-Benz300SD3.0LL5N/ADiesel Fuel Filter
1985Mercedes-Benz300TD3.0LL5N/ADiesel Fuel Filter
1984Mercedes-Benz300TD3.0LL5N/APrimary fuel filter; Diesel Fuel Filter
1983Mercedes-Benz300TD3.0LL5N/APrimary fuel filter; Diesel Fuel Filter
1982Mercedes-Benz300TD3.0LL5N/APrimary fuel filter; Diesel Fuel Filter
1981Mercedes-Benz300TD3.0LL5N/APrimary fuel filter; Diesel Fuel Filter
1980Mercedes-Benz300TD3.0LL5N/APrimary fuel filter; Diesel Fuel Filter
1979Mercedes-Benz300TD3.0LL5N/APrimary fuel filter; Diesel Fuel Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0014777901

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.