Best Car Detonation Sensors of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Car detonation sensors are a crucial component of a vehicle's safety system. These sensors detect any abnormal engine activity that could potentially lead to a dangerous explosion or fire. When the sensors detect such activity, they send a signal to the car's computer, which then triggers an automatic shutdown of the engine. This helps prevent catastrophic accidents and ensures the safety of the driver and passengers. Car detonation sensors are a must-have for any vehicle owner who values their safety and that of others on the road.

At a Glance: Our Top Picks

ACDelco GM 213-1576 Knock Sensor Cover #TOP 1
ACDelco GM 213-1576 Knock Sensor
ftb score rating icon 9.8
Gledewen Dual Knock Sensor Kit for GM Vehicles Cover #TOP 2
Gledewen Dual Knock Sensor Kit for GM Vehicles
ftb score rating icon 9.7
Delphi AS10017 Knock Sensor Cover #TOP 3
Delphi AS10017 Knock Sensor
ftb score rating icon 9.5

Top 10 Car Detonation Sensors

ACDelco GM 213-1576 Knock Sensor

213-1576
1 Count (Pack of 1)
ACDelco GM 213-1576 Knock Sensor Cover
GM Genuine Parts 213-1576 (12623730) Ignition Knock (Detonation) Sensor

ACDelco Knock Sensor is a GM-recommended replacement part designed to enhance your GM vehicle's performance. It offers the quality, reliability, and durability of GM OE standards. This sensor is manufactured to GM OE specification, ensuring a perfect fit, form, and function. By using the ACDelco Knock Sensor, you can trust that your vehicle's ignition system is accurately detecting and preventing engine knock or detonation, ultimately safeguarding your engine's health and performance.

What We Like
GM-recommended replacement
Quality, reliability, durability
Manufactured to GM OE specification
#TOP 2

Gledewen Dual Knock Sensor Kit for GM Vehicles

GW-QCGQ02
Sensors+Harness
Gledewen Dual Knock Sensor Kit for GM Vehicles Cover
Dual Knock Sensors with Wiring Harness Kit | Knock Sensor 5.3 for Chevy Suburban Silverado Avalanche Tahoe, GMC Sierra Yukon, Cadillac Hummer & More GM Vehicles | Replace# 12601822 12589867 917-033

The Gledewen Knock Sensor Kit is designed to keep your engine running smoothly by detecting and reducing engine knock or noise. Its advanced manufacturing includes a system that continuously checks the sensor’s voltage output to ensure accurate performance, helping you avoid engine damage. The wiring harness uses high-quality materials like tin-plated and solid brass terminals, which provide excellent conductivity and resist corrosion, so you can count on long-lasting durability. This kit fits a wide range of GM vehicles with 4.8L, 5.3L, and 6.0L engines, making it a convenient replacement part for many Chevy, GMC, Cadillac, and Hummer models.

What We Like
Accurate voltage monitoring
Durable corrosion-resistant wiring
Wide vehicle compatibility
High-quality conductive terminals
#TOP 3

Delphi AS10017 Knock Sensor

AS10017
Delphi AS10017 Knock Sensor Cover
Delphi AS10017 Ignition Knock (Detonation) Sensor

The Delphi Knock Sensor is designed specifically for your vehicle, ensuring a perfect fit and reliable performance. As an OEM part, it meets original equipment standards, giving you confidence in its quality and durability. Its compact size, measuring about 3 by 2 by 4 inches, makes installation straightforward without taking up much space. The sensor's packaging dimensions are also designed for easy handling and shipping. With the Delphi Knock Sensor, you can detect engine knocking early, helping to protect your engine and improve its efficiency.

What We Like
OEM quality assurance
Vehicle-specific fit
Compact size
Easy handling packaging
#TOP 4

ACDelco Ignition Knock Sensor 213-3521

213-3521
ACDelco Ignition Knock Sensor 213-3521 Cover
GM Genuine Parts 213-3521 (12589867) Ignition Knock (Detonation) Sensor

The ACDelco Knock Sensor is an essential component for your GM vehicle. It sends timely signals to the engine control module (ECM), allowing it to adjust the engine’s timing for optimal performance. This adjustment helps protect your engine from potential damage caused by pre-ignition, ensuring longevity and reliability. As a GM-recommended replacement part, you can trust that it meets the original factory specifications, providing you with the quality and durability you expect from GM products. With this sensor, you can drive with confidence, knowing your engine is well-protected.

What We Like
Improves engine performance
Prevents engine damage
GM-recommended quality
Durable and reliable
#TOP 5

JOYOJUMA Knock Sensor Wiring Harness Kit for GM 4.8L-6.0L Engines

Sensors+Harness
JOYOJUMA Knock Sensor Wiring Harness Kit for GM 4.8L-6.0L Engines Cover
Knock Sensors Wiring Harness Kit for Chevy Suburban Silverado Avalanche Tahoe Camaro GMC Sierra Yukon, for Hummer & More GM Vehicles 5.3 4.8 6.0L 12601822 12589867 917-033

The JOYOJUMA Knock Sensor Kit is designed for various GM vehicles, including Chevy, GMC, and Cadillac models with 4.8L to 6.0L engines. It comes with two knock sensors and a harness, making it easy for you to replace worn or damaged parts in your vehicle’s ignition system. This kit is built to last, thanks to durable materials that resist corrosion and reduce the chance of breaking, helping you avoid frequent repairs. Plus, it fits a wide range of models, so you can trust it to be a convenient and reliable upgrade for your engine’s performance and efficiency.

What We Like
Wide vehicle compatibility
Durable, corrosion-resistant materials
Includes two sensors and harness
Reliable engine performance
#TOP 6

HiSport Knock Sensor and Harness Kit for Toyota and Lexus Models

89615-B6010
HiSport Knock Sensor and Harness Kit for Toyota and Lexus Models Cover
HiSport 89615-B6010 Knock Sensor and Harness Kit - Compatible with Toyota Corolla FJ Cruiser Highlander Matrix Sequoia Sienna Avalon Camry Land RAV4 Tacoma Venza Yaris 4Runner Tundra Solara

The HiSport Knock Sensor Kit is designed to fit a wide range of Toyota and Lexus vehicles, including popular models like the Corolla, Highlander, and ES330. This compatibility means you can easily find a match for your car, ensuring a smooth installation. It replaces specific part numbers, so you can be confident it fits perfectly if you check your existing part number. The kit also comes with a harness, making it convenient to install without needing extra components. Before buying, make sure to compare your current sensor with the pictures provided to avoid any fitting issues, saving you time and money.

What We Like
Wide vehicle compatibility
Exact part number replacement
Includes installation harness
Clear fitment verification
#TOP 7

A-Premium Ignition Knock Detonation Sensor

30530PNA003
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 8

GM Genuine Parts 13505369 Battery Current Sensor

13505369
GM Genuine Parts 13505369 Battery Current Sensor Cover
GM Genuine Parts 13505369 Battery Current Sensor

The GM Battery Current Sensor is a reliable replacement designed specifically for GM vehicles. It ensures you get the same quality and durability as the original factory part, so you don’t have to worry about compatibility or performance issues. Built to meet GM's exact specifications, this sensor fits perfectly and functions just like the original, making installation easier and more convenient. Using this GM Battery Current Sensor means you’re maintaining your vehicle with trusted parts that keep your system running smoothly and efficiently.

What We Like
GM recommended replacement
High quality and durability
Exact OEM specifications
Reliable factory fit
#TOP 9

DOICOO Ignition Knock Detonation Sensor

30530-PPL-A01
30530PNA003
DOICOO Ignition Knock Detonation Sensor Cover
DOICOO Knock Sensor 30530-PPL-A01 30530-PNA-003 SU6143 Fit for Honda Accord Element CRV Civic CR-V Acura RDX RSX TSX 30530PPLA01 30530PNA003 KS197 5S2320 P0325 Detonation

The DOICOO Ignition Knock Detonation Sensor is designed for specific Acura and Honda models, with compatibility assured by checking the OEM part number. It comes with a 1-year warranty and customers are advised to carefully read the product description to ensure proper fitment. If the wrong product is purchased, it can be returned in its original packaging without damage to the label or barcode.

What We Like
1-year warranty
Easy replacement or refund
Compatibility with specific Acura and Honda models
#TOP 10

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 & More, Replace# 8961502020

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
Buying Guide Image

How to Choose the Best Car Detonation Sensors for Your Car

Introduction

Choosing the right car detonation sensor for your vehicle can be a daunting task. With so many different options on the market, it can be difficult to know which one will best suit your needs. In this article, we will provide some tips and advice to help you make an informed decision when it comes to selecting a car detonation sensor.

Consider Your Vehicle's Make and Model

One of the first things to consider when choosing a car detonation sensor is your vehicle's make and model. Different vehicles have different engine configurations, and the car detonation sensor that works best for one type of engine may not be the best option for another. Make sure to choose a detonation sensor that is specifically designed for your vehicle's make and model.

Consider the Type of Detonation Sensor

There are two main types of car detonation sensors on the market: knock sensors and piezoelectric sensors. Knock sensors are typically less expensive, but they are also less accurate and may not be able to detect all forms of detonation. Piezoelectric sensors, on the other hand, are more expensive but offer greater accuracy and sensitivity. If you want the best possible performance from your detonation sensor, a piezoelectric sensor is the way to go.

Consider the Brand

Not all car detonation sensors are created equal, and the brand you choose can make a big difference in terms of performance and durability. Look for a reputable brand with a proven track record of producing high-quality detonation sensors. Avoid purchasing from unknown or unproven brands, as these sensors may not perform as well or last as long as those from established manufacturers.

Read Reviews and Compare Prices

Before making a purchase, take the time to read reviews from other customers who have purchased and used the detonation sensor you are considering. This will give you a sense of the sensor's performance and any potential issues you may encounter. Additionally, make sure to compare prices from different sellers to ensure you are getting the best deal possible.

Conclusion

In conclusion, choosing the right car detonation sensor for your vehicle can be a challenging task. However, by considering your vehicle's make and model, the type of detonation sensor, the brand, and reading reviews and comparing prices, you can make an informed decision and ensure that you are getting the best possible detonation sensor for your needs.

Frequently Asked Questions (FAQs)

1. How does a detonation sensor work?

A detonation sensor, also known as a knock sensor, detects engine knock or detonation in internal combustion engines. It senses vibrations and sends a signal to the engine control module (ECM). This signal allows the ECM to adjust the ignition timing to prevent engine knock and ensure optimal engine performance.

2. What happens when a knock sensor goes bad?

When a knock sensor malfunctions, it can cause the engine control module (ECM) to improperly adjust the ignition timing. This can result in poor engine performance, especially at high speeds or when the vehicle is under a heavy load. If you notice that your engine doesn't feel right in these situations, it may be a sign of a faulty knock sensor.

3. How do you know if your car is detonating?

Detonation, also known as knock or pre-ignition, can be identified by a pinging sound that occurs during acceleration and throttle tip-in. If you hear this noise while driving, especially during acceleration, it could be an indication of detonation in your car.

4. Can detonation cause engine failure?

Detonation, or engine knock, can have serious consequences for an engine. Mild detonation may increase engine wear, but some engines can tolerate it. However, severe detonation can lead to engine failure in a matter of minutes. It is important to address detonation issues promptly to prevent potential engine damage or failure.

5. How do you fix a detonation knock?

To address detonation knocks, several steps can be taken. These include reducing the ignition lead timing, using higher octane fuel, using colder spark plugs, optimizing the air/fuel ratio, increasing cooling capacity, reducing the compression ratio, increasing cam lobe overlap, and improving mixture motion. Consult a professional mechanic for proper diagnosis and assistance in resolving detonation knock issues.

Editor's Notes

During our car detonation sensor research, we found 24 car detonation sensor products and shortlisted 10 quality products. We collected and analyzed 29,437 customer reviews through our big data system to write the car detonation sensors list. We found that most customers choose car detonation sensors with an average price of $20.61.

The car detonation sensors are available for purchase. We have researched hundreds of brands and picked the top brands of car detonation sensors, including GM GENUINE PARTS, Gledewen, Delphi, JOYOJUMA, HiSport. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

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.