Premium OEM Fitment: Direct replacement for Mazda 2/3/5/6 models (ZJ0118921/ZJ01-18-921) with exact factory specifications for seamless integration.

High-Temp Resistant Wiring: Features 150°C-rated fluoropolymer insulation for superior heat resistance in demanding engine bay environments.

Precision Engineered Connectors: Gold-plated terminals ensure optimal conductivity and corrosion resistance for reliable knock signal transmission.

Automotive-Grade Materials: Reinforced nylon housing with vibration-dampening design protects sensitive knock sensor circuitry from road impacts.

Professional Installation Ready: Pre-crimped wiring with factory color coding (black/orange) simplifies technician workflow during engine diagnostics or tuning.

Bulk Order Advantage: Warehouse-ready packaging with individual anti-static sleeves protects harness integrity for wholesale distributors and repair shops.

Performance Proven: Laboratory-tested to exceed OE electrical standards (10,000+ flex cycles) for track or daily-driven applications.