Engine Knock Sensor for Mazda Vehicles

This engine detonation knock sensor is specifically designed to fit various Mazda models, including the Mazda 3, Mazda 5 CR19, and Mazda 6 with 1.3L, 2.0L, and 2.3L engines. It ensures your engine operates smoothly by detecting and preventing harmful engine knock or detonation.

Why is a Knock Sensor Important?

A knock sensor is a vital component that monitors the engine for abnormal combustion, often referred to as 'knocking' or 'pinging'. When detected, it signals the engine control unit (ECU) to adjust ignition timing, thereby preventing potential engine damage and optimizing performance. This sensor is crucial for maintaining your vehicle's efficiency and longevity.

Compatibility and Part Numbers

This sensor is a direct replacement for original part numbers including ZJ01-18-921, E1T50371, ZJ0118921, and E001T50471. Please verify compatibility with your specific Mazda model and engine size before purchase.

Quick Answer

• Direct-fit knock sensor for Mazda 3, 5 CR19, and 6 models
• Compatible with 1.3L, 2.0L, and 2.3L engines
• Replaces part numbers ZJ01-18-921, E1T50371, ZJ0118921, E001T50471
• Detects and prevents engine knock for optimal performance

Key Specifications

• **Product Type:** Engine Knock Sensor
• **Compatibility:** Mazda 3, 5 CR19, 6 (1.3L, 2.0L, 2.3L)
• **Part Numbers:** ZJ01-18-921, E1T50371, ZJ0118921, E001T50471

Specifications:

• Origin: CN(Origin)

Frequently Asked Questions:

What vehicles is this knock sensor compatible with?

This knock sensor is designed for Mazda 3, Mazda 5 CR19, and Mazda 6 models equipped with 1.3L, 2.0L, or 2.3L engines.

What is the function of a knock sensor?

A knock sensor detects abnormal combustion events (engine knock) and signals the ECU to adjust ignition timing, preventing engine damage and optimizing performance.

Which part numbers does this sensor replace?

This sensor replaces original part numbers ZJ01-18-921, E1T50371, ZJ0118921, and E001T50471.