Premium Engine Knock Sensor for Chevrolet Cadillac GMC

High-Precision Detection
– Engineered with advanced piezoelectric technology for accurate real-time knock detection, ensuring optimal engine performance and longevity.
OEM-Quality Construction
– Manufactured from durable high-temperature resistant materials (thermoset polymer housing, nickel-plated terminals) for reliable operation under extreme conditions.
Perfect Fitment
– Direct replacement for OEM part numbers 213-3521, 2133521, 12589867, 213-362, and 10456603. Seamless integration with Chevrolet, Cadillac, and GMC models.
Enhanced Fuel Efficiency
– Prevents engine knocking to maintain fuel combustion efficiency, reducing emissions and saving costs over time.
Rigorous Testing
– Each unit undergoes 100% quality control checks for voltage sensitivity and vibration resistance, meeting strict industry standards.
Multi-Scenario Use
– Ideal for daily commuting, towing, off-roading, and high-performance tuning. Trusted by mechanics and DIY enthusiasts.
Global Wholesale Advantage
– Factory-direct pricing with bulk discounts. Ships worldwide with verified compatibility and warranty support.