Bosch 0280218488 Mass Air Flow Sensor

Bosch Mass Air Flow Sensor for OE Replacement

The Bosch Mass Air Flow Sensor (New), part number 0280218488, is an OE-style replacement built to restore accurate airflow measurement for emission control systems. It is a direct-fit option for select Cadillac, Chevrolet, and Pontiac applications, including 2008 Cadillac CTS, 2007-2008 Cadillac SRX, 2008 Cadillac STS, 2008 Chevrolet Equinox, and 2008 Pontiac Torrent.

Bosch’s original-equipment approach focuses on correct function and calibration, helping the engine management system receive the airflow signal it expects for smooth operation and emissions compliance. This part also previously cataloged as 0280218177.

Key Features

• Mass Air Flow Sensor for emission control and engine air measurement
• OE-calibrated design for proper signal output
• Direct replacement for select 2007-2008 Cadillac SRX and 2008 Cadillac CTS applications
• Also fits 2008 Cadillac STS, 2008 Chevrolet Equinox, and 2008 Pontiac Torrent
• Bosch part number 0280218488 for easy identification
• Package contents: Mass Air Flow Sensor

Detailed Description

This Bosch Mass Air Flow Sensor is engineered for vehicles that rely on precise intake-air measurement to manage fuel delivery and emissions performance. For drivers searching for a 2008 Chevrolet Equinox mass air flow sensor replacement or a 2007-2008 Cadillac SRX MAF sensor, Bosch 0280218488 provides the correct OE-style calibration and function for the listed applications. It is also a fit for 2008 Cadillac CTS, 2008 Cadillac STS, and 2008 Pontiac Torrent models.

As part of Bosch’s Mass Air Flow Sensor (New) line, this component reflects the brand’s original-equipment focus on accurate sensing and consistent operation. If you are replacing a Bosch 0280218488 sensor or cross-checking the earlier catalog reference 0280218177, this part is intended for the same application family.

This part cross-references 21994504 for the same application.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Check engine light related to air metering faults
• Hesitation or poor throttle response during acceleration
• Fuel trim issues from incorrect intake-air data
• Emissions performance problems tied to sensor output errors

Installation Notes and Tips

Verify the part number and vehicle application before installation. For fitment-specific searches, this Bosch mass air flow sensor fits 2008 Cadillac CTS, 2007-2008 Cadillac SRX, 2008 Cadillac STS, 2008 Chevrolet Equinox, and 2008 Pontiac Torrent. Inspect the intake tract, air filter housing, and electrical connector for contamination or damage before installing the new sensor.

Quality Assurance

Bosch’s OE-focused calibration helps ensure the sensor delivers the correct function for the listed applications and supports emissions-system operation when installed on the proper vehicle.