Upstream Air Fuel Ratio Sensor for Mazda 3 Turbocharged (2007–2009) FS639XW

Includes: - Upstream Air Fuel Ratio Sensor

Fits Models: - Mazda 3

Model Years: - 2007–2009

Submodels: - Common trims include i, s, and Mazdaspeed3; chassis codes include BK and BL; body styles are hatchback and sedan.

Engine Options: - Common engine sizes include 2.0L (LF-VE), 2.3L (MZR), and 2.3L Turbo (MZR DISI); engine codes include LF-VE and MZR.

Description: This upstream air fuel ratio sensor is designed specifically for the Mazda 3 models from 2007 to 2009, including the turbocharged Mazdaspeed3 variant. It plays a crucial role in monitoring the air-fuel mixture, ensuring optimal engine performance and emissions control.

Features: - Direct fit for Mazda 3 models (2007–2009) - Enhances fuel efficiency and engine performance - Durable construction for long-lasting use - Easy installation with no modifications required - Compatible with both naturally aspirated and turbocharged engines

Part Number: FS639XW