Genuine Mitsubishi Electric Knock Sensor E1T50371

Ensure optimal engine performance and protection with the Mitsubishi Electric Knock Sensor E1T50371 (SKU 41-056). This premium OEM-quality knock sensor is engineered by Mitsubishi Electric to detect engine knock (detonation) and provide critical feedback to the engine control unit, ensuring optimal ignition timing, maximum power output, and engine protection. Designed for Mazda2 DY/DE with 1.5L ZY engine, this sensor ensures dependable engine management system performance and long service life for your Mazda2.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

Key Features & Benefits

• Genuine Mitsubishi Electric Quality - OEM-grade component built to exacting standards
• Mazda2 Application - Designed for Mazda2 DY/DE models
• 1.5L ZY Engine Compatible - Engineered for ZY engines
• Precise Detection - Accurately detects engine knock and detonation
• Engine Protection - Prevents engine damage from detonation
• Optimal Performance - Enables maximum ignition advance for best power
• Improved Fuel Economy - Optimized ignition timing maximizes efficiency
• Reduced Emissions - Proper timing reduces harmful emissions
• Reliable Operation - Consistent performance in all conditions
• Long Service Life - Durable construction for extended reliability

Technical Specifications

• Mitsubishi Electric Part Number: E1T50371
• SKU: 41-056
• Component Type: Knock Sensor (Piezoelectric)
• Primary Application: Mazda2 DY/DE 1.5L ZY
• Weight: 0.1 kg (approximate)

Vehicle Compatibility

This Mitsubishi Electric knock sensor is compatible with the following Mazda2 models and engine:

• Mazda2 DY (1.5L ZY engine)
• Mazda2 DE (1.5L ZY engine)

Always verify fitment for your specific vehicle and engine configuration.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Mitsubishi Electric knock sensor replaces the following OEM part numbers:

• E1T50371 (Mitsubishi Electric)
• ZJ0118921 (Mazda)
• KNS-056 / KNS056

Common Symptoms of Faulty Knock Sensors

• Check engine light with knock sensor codes (P0325, P0326, P0327, P0328)
• Engine pinging or knocking sounds
• Loss of power during acceleration
• Poor fuel economy
• Engine hesitation or stumbling
• Reduced engine performance
• Engine running in safe mode (retarded timing)
• Increased emissions

What Does a Knock Sensor Do?

The knock sensor is a critical component of your vehicle's engine management system that detects engine knock (detonation or pre-ignition). Mounted on the engine block or cylinder head, the piezoelectric sensor converts vibrations from engine knock into electrical signals. The engine control unit (ECU) monitors these signals and adjusts ignition timing to prevent damaging detonation. When knock is detected, the ECU retards ignition timing to protect the engine. When no knock is present, the ECU can advance timing for maximum power and efficiency. A properly functioning knock sensor allows the engine to operate at optimal ignition timing, maximizing power output while protecting against engine damage from detonation.

Why Choose Genuine Mitsubishi Electric Knock Sensors?

Genuine Mitsubishi Electric knock sensors are designed to meet or exceed original equipment specifications, ensuring accurate detection, reliable operation, and long service life. As a world-leading automotive supplier and original equipment manufacturer for Mazda and other major automakers, Mitsubishi Electric engine management components are built to exacting standards with precision engineering and quality materials. Using genuine Mitsubishi Electric sensors ensures proper fitment, maintains your vehicle's engine management system integrity, and provides the reliability you need for worry-free driving.

Installation Notes

Professional installation is recommended for best results. Knock sensor replacement requires disconnecting the battery, locating the sensor on the engine block or cylinder head, disconnecting the electrical connector, and carefully removing the old sensor. Clean the mounting surface before installation. Install the new sensor and torque to manufacturer specifications (typically 15-25 Nm). Reconnect the electrical connector. Clear any diagnostic trouble codes and test drive to verify proper operation. Ensure the sensor is properly torqued as incorrect torque can affect sensor operation.

Why Choose LM15 Motorsport?

We supply genuine Mitsubishi Electric engine management components with fast shipping across Australia. Every knock sensor is carefully inspected to ensure you receive an authentic Mitsubishi Electric component for reliable engine management system performance. Our team has extensive experience with Mazda vehicles and can provide expert advice on engine management system maintenance and troubleshooting.

Need help with fitment or installation? Contact our expert team for advice specific to your Mazda2 DY/DE 1.5L ZY knock sensor requirements.