Standard Ignition KS473 Ignition Knock (Detonation) Sensor

Overview of Standard Ignition KS473 Knock Sensor

The Standard Ignition KS473 Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in select Nissan and INFINITI 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 attachment
• Oval-shaped female connector with two blade terminals
• Terminal configuration: 2 terminals, male blade type
• Attachment method: direct installation without additional mounting hardware
• Compatible with Nissan Frontier, Pathfinder, and INFINITI QX60 models

Detailed Product Description

The KS473 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a direct mounting type that ensures a stable and reliable connection to the engine block. The sensor includes a female oval connector with two male blade terminals, designed for straightforward integration with the vehicle’s wiring harness. Although mounting hardware is not included, the direct attachment method simplifies installation by securing the sensor firmly in place. This ignition knock sensor is specifically compatible with Nissan Frontier, Nissan Pathfinder, and INFINITI QX60 models, providing accurate knock detection to help optimize engine timing and performance.

Common Applications and Issues Addressed

• Detects engine knock or detonation to prevent engine damage
• Helps improve fuel efficiency by enabling proper ignition timing
• Reduces engine noise caused by knocking
• Prevents potential misfires related to knock sensor failure
• Supports emission control by maintaining engine combustion quality

Installation Notes and Tips

Installation of the Standard Ignition KS473 sensor requires direct mounting to the engine block using the existing mounting point. Since mounting hardware is not included, reuse the original bolt or secure with appropriate fasteners. Ensure the oval female connector aligns properly with the male blade terminals on the vehicle harness for a secure electrical connection. It is recommended to inspect the wiring harness and connector for corrosion or damage before installation. Proper torque specifications should be followed to avoid sensor damage or improper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The KS473 knock sensor undergoes rigorous testing to ensure reliable performance under normal operating conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.