Standard Ignition KS475 Ignition Knock (Detonation) Sensor

Overview of Standard Ignition KS475 Knock Sensor for Smart Fortwo

The Standard Ignition KS475 Ignition Knock (Detonation) Sensor is designed specifically for Smart Fortwo vehicles. This sensor plays a critical role in detecting engine knock and ensuring optimal engine performance by providing accurate feedback to the engine control unit.

• Direct mounting type for secure installation
• Push-on attachment method for easy connection
• Two male blade terminals for reliable electrical contact
• Mounting hardware not included
• Compatible with Smart Fortwo models

Detailed Product Description

The KS475 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a direct mounting type that allows it to be installed firmly on the engine block, ensuring precise detection. The sensor uses a push-on attachment method with two male blade terminals, which simplifies the electrical connection process. Although mounting hardware is not included, the sensor’s design supports straightforward replacement in Smart Fortwo vehicles. This part number KS475 is manufactured to meet OEM specifications, providing consistent performance and durability.

Function and Common Applications

This ignition knock sensor is essential for maintaining engine efficiency and preventing damage caused by detonation. It is commonly used to address issues such as:

• Engine knocking or pinging noises
• Reduced fuel efficiency
• Check engine light triggered by knock sensor faults
• Poor engine performance or hesitation
• Increased emissions due to improper combustion timing

Installation Notes and Tips

When installing the Standard Ignition KS475 sensor on a Smart Fortwo, ensure the engine is cool before beginning the replacement. The sensor mounts directly to the engine block and connects via two male blade terminals using a push-on method. Since mounting hardware is not included, retain the original hardware or source compatible fasteners. 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 standards, ensuring reliable operation and longevity. The KS475 knock sensor undergoes rigorous testing to verify its performance under various conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.