Best Knock Sensor Car Detonation Sensors of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 9, 2025

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Knock sensor car detonation sensors are devices designed to detect and prevent engine knocking, also known as detonation. This occurs when the fuel mixture in the engine's combustion chamber ignites spontaneously instead of being ignited by the spark plug. Knocking can cause serious damage to the engine if left unchecked. These sensors work by detecting the vibrations caused by knocking and sending a signal to the engine control unit, which adjusts the engine's timing to prevent further knocking. Knock sensor car detonation sensors are essential components in modern vehicles, ensuring that engines run smoothly and efficiently while preventing costly damage.

At a Glance: Our Top Picks

X AUTOHAUX Car Knock Sensor for Cadillac, Chevrolet, GMC Cover #TOP 1
X AUTOHAUX Car Knock Sensor for Cadillac, Chevrolet, GMC
ftb score rating icon 9.8
NewYall Engine Knock Sensor for Nissan Cover #TOP 2
NewYall Engine Knock Sensor for Nissan
ftb score rating icon 9.7
Ignition Knock Detonation Sensor Cover #TOP 3
Ignition Knock Detonation Sensor
ftb score rating icon 9.5

Top 10 Knock Sensor Car Detonation Sensors

#TOP 1

X AUTOHAUX Car Knock Sensor for Cadillac, Chevrolet, GMC

10456603
Silver Tone
2.17"x1.50"
X AUTOHAUX Car Knock Sensor for Cadillac, Chevrolet, GMC Cover
X AUTOHAUX 2 Pcs Car Detonation Knock Sensor 10456603 12589867 8104566030 for Cadillac Escalade V8 6.0L 2002-2006 for Chevrolet for GMC

X AUTOHAUX Knock Sensor is a reliable car part that fits various Cadillac, Chevrolet, and GMC models. With OE numbers 10456603, 12589867, and 8104566030, it ensures a perfect match for your vehicle. Constructed from durable plastic and metal, this sensor enhances engine efficiency and longevity. By detecting detonation, it helps prevent engine damage, ensuring a smooth driving experience. Trust X AUTOHAUX Knock Sensor for improved performance and peace of mind.

What We Like
OE Number Compatibility
Durable Material
Enhanced Engine Efficiency
#TOP 2

NewYall Engine Knock Sensor for Nissan

22O6O-7BOOO
NewYall Engine Knock Sensor for Nissan Cover
NewYall 22060-7B000 Engine Knock Sensor Ignition Knock Detonation Sensor Switch with Electrical Connector for Mercury Villager 1999-2002 for Nissan Frontier 1999-2004 Quest 1999-2002 Xterra 2000-2004

The NewYall Knock Sensor is designed for several Nissan and Mercury models, including the Mercury Villager (1999-2002), Nissan Frontier (1999-2004), Nissan Quest (1999-2002), and Nissan Xterra (2000-2004). This sensor helps detect engine knock, which can lead to serious engine damage if left unchecked. By using this sensor, you can ensure smoother engine performance and potentially extend the life of your vehicle. It's a reliable replacement part that contributes to better fuel efficiency and overall vehicle health, giving you peace of mind while driving.

What We Like
Compatible with multiple models
Enhances engine performance
Helps prevent engine damage
Improves fuel efficiency
#TOP 3

Ignition Knock Detonation Sensor

YCT
30530-P5M-013
Ignition Knock Detonation Sensor Cover
Ignition Knock Detonation Sensor 30530-P5M-013 Compatible with Acura CL Honda Accord Odyssey Prelude Civic Isuzu Oasis 1.7L 2.2L 2.3L

The YCT Knock Sensor is a compatible replacement part for various Acura, Honda, and Isuzu models. It is designed to accurately replace the original sensor, ensuring proper functionality. With part numbers like KS64, KS64T, 213-2307, and 30530-P5M-013, this knock sensor is a reliable choice for your car. Before purchasing, make sure to confirm your car model and the OE of the part to avoid any compatibility issues. Additionally, it is recommended to check the part picture to ensure a correct match. Upgrade your car's ignition system with the YCT Knock Sensor and enjoy improved performance and reliability on the road.

What We Like
Compatible Replacement
Reliable Performance
Improved Ignition System
#TOP 4

A-Premium Knock Detonation Sensor for Toyota and Lexus

KS225
A-Premium Knock Detonation Sensor for Toyota and Lexus Cover
A-Premium Knock Detonation Sensor Compatible with Toyota, Lexus, Scion Models - 4Runner, Avalon, Camry, Highlander, Matrix, FJ Cruiser, Prius, Tacoma, Sienna, ES330, GS350, GS450h, GX470, RX330 & More

The A-Premium Knock Sensor is designed to fit a wide range of Toyota and Lexus models, ensuring compatibility with vehicles from 2003 to 2020. This sensor features a two-pin terminal type for easy installation and reliable performance. With a sleek black design, it comes packaged securely, making it convenient for users. Additionally, A-Premium provides a one-year unlimited-mileage warranty, allowing you to drive with confidence knowing that your vehicle's performance is backed by a trusted guarantee.

What We Like
Wide compatibility with many models
Easy installation with two-pin terminal
Sleek design and secure packaging
One-year unlimited-mileage warranty
#TOP 5

X AUTOHAUX Car Engine Knock Sensor

82219-07010
Gray, Silver Tone
1.85"x1.14"
X AUTOHAUX Car Engine Knock Sensor Cover
X AUTOHAUX 1 Set 82219-07010 89615-12040 Car Engine Ignition Knock Detonation Sensor for Toyota 4Runner 1996-2002 for Toyota Tacoma 3.4L 1995-2004

The X AUTOHAUX Knock Sensor is designed to fit various Toyota models, ensuring compatibility with vehicles like the 4Runner and Tacoma. Its OE numbers guarantee a perfect match, making it easy for you to find the right part. The sensor is made from durable materials that can withstand high temperatures and vibrations, ensuring a long lifespan. With its ability to quickly detect the rotation speed and position, it helps adjust the ignition timing for optimal performance, providing you with a smoother driving experience.

What We Like
Durable high-temperature materials
Easy installation
Compatible with multiple Toyota models
Improved engine performance
#TOP 6

X AUTOHAUX Knock Sensor for Dodge

5033316AA
Black, Bronze Tone
1.77"x1.10"x0.71"
X AUTOHAUX Knock Sensor for Dodge Cover
X AUTOHAUX 5033316AA 56028563AA KS168 Car Engine Knock Detonation Sensor for Dodge for Ram 3500 2003-2009 for Chrysler for Jeep Cherokee

The X AUTOHAUX Knock Sensor is designed to fit various Dodge, Chrysler, and Jeep models, ensuring compatibility with your vehicle. Its OE numbers guarantee that it matches original factory specifications, making installation straightforward. Constructed from durable plastic and metal, this sensor is built to resist corrosion, providing long-lasting reliability. With its effective design, you can trust that it will help maintain optimal engine performance, reducing the risk of detonation issues. This sensor is a smart choice for those who want to keep their engine running smoothly.

What We Like
Compatible with multiple models
Durable construction
Easy installation
Corrosion resistant
#TOP 7

Kutyun Ignition Knock Sensor for Honda

Kutyun
30530-PPL-A01
Kutyun Ignition Knock Sensor for Honda Cover
Kutyun Ignition Knock Sensor, Detonation Sensors Replacement OEM#30530-PPL-A01, Car Accessories Knock Sensor Connector Compatible with Honda Accord, Civic, CR-V, Acura RDX, RSX

The Kutyun Knock Sensor is designed for various Honda and Acura models, ensuring compatibility with vehicles like the Accord and Civic. This replacement part exceeds OEM quality, providing you with peace of mind during installation. Made from durable steel, it resists wear and rust, enhancing your engine's performance while protecting it with an additional cap. Its primary function is to monitor engine vibrations and detect any abnormalities, sending timely feedback to the ECU to prevent issues like detonation. This means a smoother driving experience for you, as the sensor helps maintain engine stability.

What We Like
High OEM quality
Durable steel construction
Prevents engine detonation
Compatible with multiple models
#TOP 8

HiSport Knock Sensor for Chevy

HSDS56018
10456018
HiSport Knock Sensor for Chevy Cover
HiSport Knock Sensor Detonation Compatible with Chevy 1985-2002 Express C1500 C2500 C3500 OE Number 10456018 10456288 1997699 1x Pcs

The HiSport Knock Sensor is designed to enhance the performance of your Chevy vehicle. It delivers critical information to your engine control unit (ECU), helping to prevent engine knocking, which can lead to significant damage. This sensor is compatible with various models from 1985 to 2002, ensuring wide applicability. Installation is straightforward, though professional help is recommended if you're inexperienced. With OE numbers included, you can easily verify compatibility, making it a reliable choice for maintaining your vehicle's health.

What We Like
Prevents engine knocking
Easy installation
Wide compatibility
OE number verification
#TOP 9

A-Premium Ignition Knock Detonation Sensor

30530-PPL-A01
A-Premium Ignition Knock Detonation Sensor Cover
A-Premium Ignition Knock Detonation Sensor Compatible with Honda Accord 2003-2007, Civic 2002-2005, CR-V CRV 2002-2009, Element 2003-2011 & Acura RDX, RSX, TSX, Replace# 30530PNA003, 30530-PPL-A01

A-Premium Knock Sensor is a brand-new and sturdy ignition sensor that serves as a direct replacement for your vehicle's original sensor. With a 1-Year Unlimited-Mileage Warranty, this knock sensor is the ideal choice for ensuring the smooth operation of your engine. Its compatibility with a wide range of vehicles, including Acura RDX, RSX, TSX, and Honda Accord, Civic, CR-V, and Element, makes it a versatile option for many car owners. The sensor's one-pin terminal and female connector make it easy to install, and its blade-type terminal ensures a secure connection. By accurately detecting engine knock or detonation, this sensor helps prevent damage to your engine and ensures optimal performance. With A-Premium Knock Sensor, you can enjoy a reliable and hassle-free driving experience.

What We Like
Brand-new and sturdy
Wide vehicle compatibility
Easy installation
#TOP 10

X AUTOHAUX Engine Knock Sensor for Nissan

22060-7S000
Black
1.77"x1.10"x0.79"
X AUTOHAUX Engine Knock Sensor for Nissan Cover
X AUTOHAUX 22060-7S000 22060-AU010 Car Engine Ignition Knock Detonation Sensor for Nissan Altima 2004-2007 for Nissan Sentra 2004-2012 for Nissan Maxima 2004-2008

X AUTOHAUX Knock Sensor for Nissan is a durable sensor that quickly detects rotating shaft speed and position, allowing for precise ignition advance angle adjustments. Its high-quality material ensures resistance to high temperatures and vibrations, providing long-lasting performance. The sensor's easy installation based on factory specifications makes it a convenient choice for Nissan vehicle owners seeking stable performance and sensitive response.

What We Like
Durable Material
Precise Detection
Easy Installation
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Does a knock sensor detect detonation?

Yes, the knock sensor in a car engine is designed to detect preignition and detonation, which are abnormal forms of combustion that can cause damage. While knocking and pinging may be audible to the human ear, the knock sensor is capable of detecting even imperceptible levels of these issues.

2. What happens when a knock sensor goes bad?

When a knock sensor malfunctions, it can cause the engine's PCM (Powertrain Control Module) to incorrectly adjust the ignition timing. This can result in inadequate engine performance, especially noticeable at high speeds or when the vehicle is under heavy load.

3. How do you detect detonation?

To detect detonation, one method is to install a wide-band oxygen sensor and monitor it during periods of high engine load. If the air-fuel ratio is too lean under full throttle, it can induce knock, indicating insufficient fuel reaching the cylinder.

4. Can a bad knock sensor damage your engine?

Yes, a faulty knock sensor can cause the engine control unit (ECU) to incorrectly adjust the ignition timing, leading to poor combustion and wasted fuel. This can result in various issues, including engine misfires, increased emissions, reduced fuel economy, and potential damage to the catalytic converter.

5. What happens when a knock sensor activates?

When a knock sensor activates, it sends a signal to the engine control system, which helps prevent knocking combustion. By detecting abnormal combustion, the knock sensor allows the engine control to make necessary adjustments to protect the engine from damage.

Editor's Notes

During our knock sensor car detonation sensor research, we found 24 knock sensor car detonation sensor products and shortlisted 10 quality products. We collected and analyzed 6,467 customer reviews through our big data system to write the knock sensor car detonation sensors list. We found that most customers choose knock sensor car detonation sensors with an average price of $16.80.

The knock sensor car detonation sensors are available for purchase. We have researched hundreds of brands and picked the top brands of knock sensor car detonation sensors, including X AUTOHAUX, NewYall, YCT, A-Premium, Kutyun. The seller of top 1 product has received honest feedback from 18,477 consumers with an average rating of 4.8.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.