Knock Sensor for Mazda Protege (2001–2003) - FS7N18921, FS7N18921A, FS7H18921A, KS188

Includes: - Knock Sensor

Fits Models: - Mazda Protege

Model Years: - 2001–2003

Submodels: - Common trims include ES, LX, and DX; chassis code BJ; body style sedan and hatchback

Engine Options: - 1.8L I4 (FS-DE), 2.0L I4 (Zy, Z5)

Description: This knock sensor is designed for the Mazda Protege from 2001 to 2003, ensuring optimal engine performance by detecting engine knock and adjusting ignition timing accordingly. It is a direct replacement part that helps maintain engine efficiency and longevity.

Features: - Direct fit for Mazda Protege models - High-quality construction for durability - Improves engine performance and fuel efficiency - Easy installation with no modifications required - Compatible with multiple engine options

Part Numbers: - FS7N18921, FS7N18921A, FS7H18921A, KS188