The Walker Products Mass Air Flow Sensor (part number 245-1257) is a direct-fit replacement for 2003-2004 INFINITI vehicles with 4.5L engines. Walker Premium Mass Air Flow Sensors are 100% OEM quality. Walker Mass Air Flow Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements.
Features:
- Effortless Installation: Designed for easy and straightforward installation, these sensors minimize vehicle downtime during replacement, keeping your vehicle on the road.
- Improved Engine Efficiency: Accurate air flow data helps the ECU optimize the air-fuel mix, enhancing fuel efficiency and performance while ensuring reliable monitoring.
- Durable Build: Crafted with high-quality materials, these sensors are built to withstand demanding conditions, ensuring long-lasting reliability and reducing the need for frequent replacements.
- Engineered for OE Performance: These sensors are meticulously engineered and rigorously tested to meet and exceed OE performance and durability standards, guaranteeing consistent and accurate air flow readings.
Specifications:
| Number of Terminals | 5 |
| Terminal Gender | Female |
Fits: 2003-2004 INFINITI models including FX45, M45, and Q45 — 4.5L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Hitachi Astemo MAF0101, Carquest 641802, Carquest 64-1802, Wells SU6525, SMP MAS0372, Nissan 22680AR20A, Cardone 74-10132, Infiniti 22680AR200 and 1 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
