Hella 358166421 Mass Air Flow Sensor MAF

The Hella 358166421 is a direct-replacement Mass Air Flow (MAF) sensor engineered to OE specifications for precise intake air measurement and reliable engine management performance.

Key Features:

• OE-Grade Accuracy: Measures intake air mass in real time, enabling the ECU to maintain the correct air/fuel mixture for optimal combustion efficiency
• High Measurement Precision: Built with HELLA's original equipment manufacturing expertise, delivering consistently accurate airflow readings across all operating conditions
• Direct-Fit Replacement: Designed as a plug-and-play replacement for the factory MAF sensor — no modification required
• Durable Construction: Robust sensor housing and electronics provide long service life and resistance to heat and vibration
• EGR System Compatibility: Also functions as a control reference point for EGR system operation, supporting low-emission engine management

A failing mass air flow sensor can cause poor fuel economy, rough idle, loss of power, increased emissions, and may trigger a check engine light (MAF-related DTCs). Replacing the sensor promptly with a quality unit like the Hella 358166421 helps restore factory performance and protects related engine management components.

About HELLA: As part of Forvia, HELLA is one of the world's top automotive OEM suppliers, with over 120 years of experience developing sensors, electronics, and lighting for virtually every major vehicle manufacturer.