Hitachi MAF0051 Mass Air Flow Sensor

The Hitachi MAF0051 Mass Air Flow Sensor delivers precise air measurement for optimal engine performance and fuel efficiency. This OE-quality sensor accurately measures the volume of air entering the engine, allowing the engine control unit (ECU) to calculate and deliver the exact fuel ratio needed for efficient combustion.

Key Features:

• Platinum wire sensing element with protective glass film coating for enhanced durability and contamination resistance
• Contaminant bypass port allows moisture and impurities to exit the housing, reducing sensor contamination and increasing longevity
• Advanced automated manufacturing ensures precision construction with tight tolerances and high repeatability
• Integrated air temperature sensor for maximum accuracy
• 100% air flow tested and calibrated to meet strict emission standards
• Features 5-pin blade terminal configuration with housing included
• New, never remanufactured construction

Designed as a direct OE replacement for Audi and Volkswagen applications, this sensor meets or exceeds original equipment specifications. Hitachi is a Tier 1 OE supplier with decades of automotive engineering expertise. Common symptoms of a failing mass air flow sensor include poor fuel economy, rough idling, engine hesitation during acceleration, stalling, and illuminated check engine light.

Cross References: Replaces OEM 06J-906-461B, 2505078, Delphi AF10510, Walker Products 245-1281, and other equivalent part numbers.