AS10051 DELPHI Ignition Knock Detonation Sensor

Review DELPHI Genuine Ignition Knock Detonation Sensor

The Delphi AS10051 Ignition Knock Sensor is an essential component in maintaining optimal engine performance in various vehicle applications. This sensor plays a crucial role in detecting and alerting the engine control module (ECM) of potential ignition system issues, such as ignition knock or detonation.

The AS10051 sensor is designed with a robust and durable construction, featuring a compact, cylindrical housing that measures approximately 2.3 inches (58.4mm) in length and 1.0 inch (25.4mm) in diameter. The sensor's compact size allows for easy installation and integration into various engine systems.

The heart of the Delphi AS10051 sensor lies in its piezoelectric element, which converts mechanical energy, such as the vibrations caused by ignition knock, into electrical energy. This sensitive element enables the sensor to accurately detect and quantify the presence and intensity of ignition knock events, providing valuable data to the ECM for analysis and potential corrective action.

The sensor operates by utilizing a resistance-capacitance (RC) circuit. When the piezoelectric element detects a knock event, it generates a voltage pulse, which is then amplified and filtered by the sensor's onboard electronics. The resulting output signal is a voltage waveform that represents the severity of the detected knock event.

The Delphi AS10051 Ignition Knock Sensor is designed to meet or exceed OE specifications, ensuring reliable and accurate performance. It features a temperature range of -40 F to 257 F (-40 C to 125 C), making it suitable for use in various automotive applications and climates. Additionally, the sensor is tested and validated under rigorous conditions to ensure its durability and longevity.

Installation of the Delphi AS10051 Ignition Knock Sensor is straightforward and typically involves connecting it to the engine harness and the ECM. The sensor comes with a mounting bracket for secure installation, as well as any necessary hardware for attachment. Proper installation and connection to the power and ground terminals are essential for ensuring accurate sensor performance.

In conclusion, the Delphi AS10051 Ignition Knock Sensor is an essential diagnostic tool that helps maintain optimal engine performance by detecting and alerting the ECM of potential ignition system issues. Its compact, durable design, sensitive piezoelectric element, and accurate output signal make it an ideal choice for various automotive applications. With its easy installation and proven performance, the Delphi AS10051 Ignition Knock Sensor is a must-have for any professional automotive repair or maintenance facility.

Delphi AS10051 Ignition Knock Sensor is a vital component in the engine management system that helps detect and prevent damaging ignition knock or detonation. Here are some pros and cons of buying this sensor to help you make an informed decision.

1. Improved Engine Performance: The Delphi AS10051 Ignition Knock Sensor accurately detects and responds to engine knock, allowing the engine control module to adjust ignition timing to improve engine performance and prevent damage.

2. Enhanced Durability: This sensor is designed to withstand the harsh conditions of the engine bay and is built to last. It features a robust construction and is tested to meet or exceed OE specifications.

3. Easy Installation: The Delphi AS10051 Ignition Knock Sensor comes with a plug-and-play connector, making it easy to install. No additional wiring or modifications are required.

4. OE Quality: This sensor is manufactured to meet or exceed OE specifications, ensuring reliable and accurate performance.

5. Affordable: Compared to other aftermarket sensors, the Delphi AS10051 Ignition Knock Sensor is an affordable option.

1. Availability of OEM Sensors: In some cases, it might be more convenient to purchase an OEM sensor directly from the dealership, especially if dealing with a new vehicle or unusual symptoms.

2. Limited Warranty: The Delphi AS10051 Ignition Knock Sensor comes with a limited warranty of 12 months or 12,000 miles, whichever comes first.

3. Potential False Positives: The sensor might trigger a "check engine" light due to other factors, such as fuel quality or engine wear, even if the ignition knock sensor itself is functioning correctly.

In conclusion, the Delphi AS10051 Ignition Knock Sensor is an excellent choice for those seeking a reliable, affordable, and easy-to-install solution for their engine knock detection needs. Its robust construction, OE quality, and enhanced durability make it a popular choice among automotive enthusiasts and professionals. However, it is essential to consider the potential for false positives and the limited warranty when making your decision.

Recommendation: If you are experiencing ignition knock or detonation in your engine and are looking for a reliable, affordable, and easy-to-install solution, the Delphi AS10051 Ignition Knock Sensor is an excellent choice. Its OE quality, durability, and enhanced performance make it a top pick among automotive professionals and enthusiasts. However, if you prefer the peace of mind that comes with an OEM sensor or longer warranty, you may want to consider purchasing one directly from your dealership. Ultimately, the decision is yours based on your specific needs and preferences.

Details:

Electrical parts are not returnable. Genuine Delphi ignition knock detonation sensor AS10051: parts: Delphi's ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps reduce comebacks. Shipping carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

Parts must be resalable and in the original packaging.

specifications ignitioncomp:

• brand: Delphi
• mpn: As10051
• part type: Ignition Sensor

returns ignitioncomp:

• policy: returns accepted
• time: 30 days
• paid by: seller

shipping ignitioncomp:

• transit: 4-8 days
• type: fixed
• service: standard
• class: standard

payments ignitioncomp:

• other
• credit card: visa
• wallet: paypal

seller ignitioncomp:

• # reviews: 13
• rating: 93.3%
• city: moberly, missouri

offer ignitioncomp:

• options: ship-to-home
• started: october 12, 2025
• sold #: 13
• prices: $88.41–$156.17
• item condition: New
• availability: in stock
• in stock #: 5

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components