Standard Ignition KS221 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi and Volkswagen Models

The Standard Ignition KS221 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and help optimize engine performance. Compatible with select Audi and Volkswagen vehicles, this sensor ensures precise monitoring of detonation for improved engine efficiency.

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and Volkswagen Passat
• Part number KS221 for easy identification and replacement
• Bolt-on attachment method with bolt mount for secure installation
• Features a 3-terminal blade type with a female oval plug-in connector
• Constructed from durable plastic and metal materials for long-lasting use

Detailed Product Features and Specifications

The KS221 ignition knock sensor from Standard Ignition is engineered with a 3-terminal blade configuration, providing reliable electrical connections through its female oval plug-in connector. The sensor mounts securely using a bolt-on method, ensuring stable placement on the engine block. Its combination of plastic and metal materials offers durability under typical engine operating conditions. This sensor is specifically designed for use in Audi and Volkswagen models including the A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and Passat, making it a precise replacement part for these vehicles.

Purpose and Common Applications

• Detects engine knock or detonation to prevent engine damage
• Helps optimize ignition timing for improved fuel efficiency
• Supports emission control by ensuring proper combustion
• Prevents engine misfires related to knock sensor failure
• Maintains engine performance and longevity in Audi and Volkswagen vehicles

Installation Notes and Tips

Installation of the Standard Ignition KS221 sensor requires removal of the old knock sensor and securing the new sensor using the bolt-on mounting method. Note that mounting hardware is not included, so ensure you have the appropriate bolts available. The sensor’s female oval plug-in connector should be carefully connected to the vehicle’s wiring harness to avoid damage to terminals. Proper torque specifications should be followed to avoid sensor damage or improper function.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The KS221 ignition knock sensor undergoes rigorous quality control testing to maintain consistent standards. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.