Premium OEM ZJ01-18-921 Knock Sensor for Mazda 2/3/5/6
Precision-engineered knock sensor designed for optimal engine performance in Mazda 2, 3, 5, and 6 models. High-sensitivity piezoelectric element ensures accurate detection of engine knocking, preventing damage and improving fuel efficiency. Durable stainless steel housing with weather-resistant epoxy coating for long-term reliability under extreme temperatures and vibrations. Direct OEM replacement guarantees seamless integration with factory ECU systems. Ideal for automotive repair shops, fleet maintenance, and DIY enthusiasts seeking genuine-quality performance at wholesale pricing. Compatible with gasoline engines requiring precise knock control. Exclusive bulk pricing available—order in volume for unbeatable global wholesale rates. Trusted by professional mechanics for consistent accuracy and durability.