Bosch 0281002978 Mass Air Flow Sensor

Bosch Mass Air Flow Sensor for Sprinter

The Bosch Mass Air Flow Sensor, part number 0281002978, is a direct-fit emission control sensor for select Mercedes-Benz Sprinter diesel applications. It measures incoming air so the engine control system can maintain accurate fuel delivery and drivability.

Built with a black plastic housing, this Bosch sensor is a practical OE-style replacement for Mercedes-Benz Sprinter 2500, Sprinter 3500, and Sprinter 3500XD models in the listed years. Bosch notes that even a small deviation from original equipment specification can trigger a check engine light, which makes correct sensor selection important.

Key Features

• Bosch Mass Air Flow Sensor, part number 0281002978
• Black plastic housing
• Includes the mass air flow sensor only
• Emission control sensor for air metering and engine management
• Direct fit for select Mercedes-Benz Sprinter 2500, Sprinter 3500, and Sprinter 3500XD applications

Product Details

This Bosch Mass Air Flow Sensor is part of the Bosch Mass Air Flow Sensor (New) line and is built for vehicles that rely on precise airflow measurement for proper engine operation. It is a strong match for owners searching for a Mercedes-Benz Sprinter 2500 mass air flow sensor replacement, a Mercedes-Benz Sprinter 3500 MAF sensor, or a Bosch 0281002978 sensor for Sprinter diesel applications. This part cross-references Mercedes-Benz 0000943448 for the same application.

What It Helps Address

• Check engine light related to airflow sensor readings
• Rough idle caused by inaccurate air measurement
• Hesitation or poor throttle response
• Fuel trim issues from incorrect intake air data
• Driveability problems tied to a failing MAF sensor

Installation Notes

Verify the part number and vehicle application before installation. Inspect the intake tract, air filter housing, and electrical connector for contamination or damage before replacing the sensor. After installation, clear diagnostic trouble codes and confirm normal airflow readings with a scan tool if available.

Quality Assurance

Bosch is an original equipment manufacturer, and this sensor is built to OE-level specification for the listed Mercedes-Benz Sprinter applications. Accurate fitment matters because even a small deviation from the original specification can illuminate the check engine light.