Standard Ignition KS477 Ignition Knock (Detonation) Sensor

Overview of Standard Ignition KS477 Knock Sensor

The Standard Ignition KS477 Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in select Mazda and Nissan vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Direct mounting type for secure installation
• Constructed with durable ABS plastic material
• Equipped with 2 male blade terminals for reliable electrical connection
• Compatible with multiple Mazda and Nissan models including Mazda 3, Mazda 6, CX-3, CX-5, MX-5 Miata, and Nissan Murano
• Part number KS477 ensures exact fit and function

Detailed Product Description

The KS477 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. Its direct mounting type allows it to be installed firmly on the engine block, ensuring accurate knock detection. The sensor features two male blade terminals, which provide a secure and stable electrical connection to the vehicle’s wiring harness. Made from ABS plastic, the sensor housing offers resistance to heat and vibration, contributing to long-term durability. This sensor is specifically designed for use in various Mazda models such as the Mazda 3, Mazda 3 Sport, Mazda 6, CX-3, CX-5, MX-5, and MX-5 Miata, as well as Nissan Murano vehicles, making it a reliable replacement part for these applications.

Common Applications and Issues Addressed

• Detects engine knock to prevent potential damage
• Helps improve fuel efficiency by optimizing ignition timing
• Reduces engine noise caused by detonation
• Prevents engine misfires related to knock sensor failure
• Supports proper engine performance and emissions control

Installation Notes and Tips

Installation of the Standard Ignition KS477 sensor requires direct mounting to the engine block at the designated location. Ensure the mounting surface is clean and free of debris before installation. The sensor does not include mounting hardware, so retain original bolts or source compatible fasteners. Connect the two male blade terminals securely to the vehicle’s wiring harness to maintain proper electrical contact. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and installation procedures to avoid sensor damage.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The KS477 knock sensor undergoes rigorous quality control testing to verify durability and functionality. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Consult the product documentation or retailer for exact warranty terms.