Best Mass Air Flow Sensor Relays of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Feb 2, 2026

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Mass Air Flow Sensor Relays are an essential component of modern automotive engines. These relays are responsible for measuring the amount of air entering the engine and transmitting this information to the vehicle's computer. This data is then used to adjust the fuel injection and ignition timing, ensuring optimal engine performance and fuel efficiency. Mass Air Flow Sensor Relays are available in a range of configurations to fit various automotive applications, including both domestic and foreign vehicles. They are reliable, durable, and easy to install, making them an excellent choice for DIY mechanics and professional technicians alike.

At a Glance: Our Top Picks

uxcell XF2F-12B579-AA Mass Air Flow Sensor for Ford 4.2L V6 Cover #TOP 1
uxcell XF2F-12B579-AA Mass Air Flow Sensor for Ford 4.2L V6
ftb score rating icon 9.8
uxcell Mass Air Flow Sensor for Chevy Malibu 3.1L V6 1997-2003 Cover #TOP 2
uxcell Mass Air Flow Sensor for Chevy Malibu 3.1L V6 1997-2003
ftb score rating icon 9.7
KOECTWYM Mass Air Flow Sensor for Toyota and Lexus 07-18 Cover #TOP 3
KOECTWYM Mass Air Flow Sensor for Toyota and Lexus 07-18
ftb score rating icon 9.5

Top 10 Mass Air Flow Sensor Relays

#TOP 1

uxcell XF2F-12B579-AA Mass Air Flow Sensor for Ford 4.2L V6

a23082500ux0148
Black
4.19"x4.68"
uxcell XF2F-12B579-AA Mass Air Flow Sensor for Ford 4.2L V6 Cover
uxcell Mass Air Flow Sensor Meter Replacement No.XF2F-12B579-AA for Ford E-150 4.2L V6 - Gas 2003 for Ford E-250 4.2L V6 - Gas 2003

The uxcell Ford MAF Sensor is designed to fit several Ford models with 4.2L V6 engines from the late 1990s to early 2000s. Before buying, you can easily check compatibility with your vehicle using the year, make, and model options, ensuring a perfect match. This sensor measures the amount of air entering your engine, which helps your vehicle maintain the right fuel mixture for optimal performance. Installing the sensor is straightforward since it replaces the original part directly and fits neatly beside the air intake box. To get the best results, make sure to clean the air box and replace the air filter before installation.

What We Like
Wide vehicle compatibility
Easy compatibility check
Accurate air flow measurement
Simple direct replacement
Improves engine performance
#TOP 2

uxcell Mass Air Flow Sensor for Chevy Malibu 3.1L V6 1997-2003

a23082300ux0219
Black, Silver Tone
5.71"x3.54"x3.74"
uxcell Mass Air Flow Sensor for Chevy Malibu 3.1L V6 1997-2003 Cover
uxcell Car Mass Air Flow Sensor Meter Replacement Black for Chevrolet Malibu Base LS 3.1L V6 - Gas 1997-2003 No.25180303

The uxcell MAF Sensor is designed to fit a variety of vehicles, including Chevrolet Malibu and several Buick and Cadillac models, making it a versatile choice for many drivers. This sensor serves as a direct replacement, ensuring an easy and proper installation, so you won’t have to worry about compatibility issues. It’s installed near the air intake box, helping you quickly locate it during maintenance. The sensor measures the amount of air entering your engine, which is crucial for maintaining the right fuel-air mixture and optimal engine performance. Before installation, you should clean the air intake box and replace the air filter to maximize the sensor’s effectiveness and longevity.

What We Like
Wide vehicle compatibility
Easy, direct replacement
Accurate air flow measurement
Improves engine performance
Durable and long-lasting
#TOP 3

KOECTWYM Mass Air Flow Sensor for Toyota and Lexus 07-18

KOECTWYM
197-6110, AF10202, 22204-0H010
KOECTWYM Mass Air Flow Sensor for Toyota and Lexus 07-18 Cover
New Mass Air Flow Sensor Meter Replacement for 07-17 Camry 09-18 Corolla 06-18 Rav4 07-12 ES350 07-12 RX350

The KOECTWYM Air Flow Sensor is designed to fit a variety of Toyota and Lexus models from 2007 to 2018, including popular cars like the Camry, Corolla, and RX350. This sensor accurately measures the amount of air entering your engine, which helps your vehicle adjust fuel injection for better performance and fuel efficiency. It also plays a key role in reducing exhaust emissions, making your car more environmentally friendly. The product comes with reliable customer support aimed at ensuring you have a smooth experience with installation and use. With this sensor, you can expect improved engine function and a more efficient drive.

What We Like
Wide vehicle compatibility
Precise air flow measurement
Improves fuel injection
Reduces exhaust emissions
Customer-focused support
#TOP 4

SKP Mass Air Flow Sensor SK2451150

SKP
SK2451150
SKP Mass Air Flow Sensor SK2451150 Cover
SKP SK2451150 Mass Air Flow Sensor, 1 Pack

The SKP Air Flow Sensor is designed to match or exceed original equipment standards, ensuring you get reliable performance every time. It undergoes thorough testing and balancing, which means you can trust it to work consistently without issues. The sensor uses the same mounts, connectors, and fittings as your vehicle’s factory parts, making installation straightforward and hassle-free. With this sensor, you’re guaranteed the same quality and performance that your vehicle manufacturer intended, helping your engine run smoothly and efficiently.

What We Like
OEM specification compliance
Tested and balanced for reliability
Factory-style mounts and connectors
Manufacturer-level performance
#TOP 5

SDYYDS 8-Pin MAF Sensor Wiring Harness

SD55-522
SDYYDS 8-Pin MAF Sensor Wiring Harness Cover
SDYYDS 8-Pin Mass Air Flow (MAF) Sensor Wiring Harness - Compatible with Chevrolet, Buick, Cadillac, GMC, Nissan & More - Replaces PT2707, 13583440, MAS0449 Connector - Blind Spot Detection Sensor

The SDYYDS MAF Sensor Harness is designed to fit a wide range of vehicles including Chevrolet, Buick, Cadillac, GMC, and Nissan, making it a versatile choice for your car maintenance needs. Made with high-quality materials and a protective sleeve, it resists heat, abrasion, and moisture, ensuring long-lasting durability. Installation is simple with its plug-and-play design and secure locking system, so you can replace your sensor without hassle. Plus, it meets original factory standards and comes with a 12-month warranty, giving you confidence in its reliable performance and quality.

What We Like
Wide vehicle compatibility
Durable protective materials
Easy plug-and-play installation
Factory-standard quality
12-month warranty
#TOP 6

uxcell Mass Air Flow Sensor 06J906461D

a23090600ux0171
Black
3.58"x1.81"
uxcell Mass Air Flow Sensor 06J906461D Cover
uxcell Car Mass Air Flow Sensor Replacement No.06J906461D for Volkswagen Touareg 2012-2017

The uxcell MAF Sensor is designed to fit various Volkswagen and Audi models, ensuring you get the right match for your vehicle by checking compatibility before purchase. This sensor measures the amount of air entering your engine, which helps maintain the correct fuel mixture for smooth performance. Installing it is straightforward since it’s a direct replacement that fits perfectly beside the air intake box, making the process hassle-free. Before installing, cleaning the air box and replacing the air filter can improve sensor accuracy and prolong its life. This quality sensor is built to work reliably and last longer, helping you avoid engine problems and warning lights.

What We Like
Wide vehicle compatibility
Accurate air flow measurement
Easy direct replacement
Improves engine performance
Durable and long-lasting
#TOP 7

SKP SK2451246 Mass Air Flow Sensor

SKP
SK2451246
SKP SK2451246 Mass Air Flow Sensor Cover
SKP SK2451246 Mass Air Flow Sensor, 1 Pack

The SKP Mass Air Flow Sensor is designed to meet or exceed original equipment manufacturer (OEM) standards, ensuring you get reliable and precise performance for your vehicle. Each sensor undergoes thorough testing and balancing, which means you can count on consistent operation every time. It uses factory-style mounts, connectors, and fittings, making installation straightforward and hassle-free for you. Plus, it guarantees the same quality and performance as the part originally provided by your vehicle’s manufacturer, giving you confidence that your car will run smoothly with this sensor installed.

What We Like
OEM-level quality
Tested for reliability
Factory-style fit
Consistent performance
#TOP 8

FUELHOOD E5T62172 Mass Air Flow Sensor for Mitsubishi Outlander

FUELHOOD
hoodf009906250213
FUELHOOD E5T62172 Mass Air Flow Sensor for Mitsubishi Outlander Cover
FUELHOOD E5T62172 1525A031 Mass Air Flow Meter Sensor for Mitsubishi Outlander 2017-2021 Premium Fit Design

The FUELHOOD Air Flow Sensor offers a precise fit designed specifically for your Mitsubishi Outlander, ensuring easy replacement without compatibility issues. Its high-performance design includes five pins and a standard installation hole, making it reliable and straightforward to install. Made from a combination of durable plastic and metal, this sensor is built to last, providing long-term service for your vehicle. Additionally, its lightweight and compact design allow for hassle-free handling and installation, so you can quickly get your car back on the road with improved air flow monitoring.

What We Like
Precise fit design
Reliable five-pin connection
Durable plastic and metal build
Lightweight and portable
#TOP 9

uxcell Mass Air Flow Sensor for Mercedes-Benz

a23082500ux0156
Black
3.98"x2.37"x1.48"
uxcell Mass Air Flow Sensor for Mercedes-Benz Cover
uxcell Car Mass Air Flow Sensor Meter Replacement No.1130940048 for Mercedes-Benz E500 5.0L 2003-2006 for Mercedes E55 for AMG 5.5L 1999-2006

The uxcell MAF Sensor is designed to fit various Mercedes-Benz models from 1998 to 2006, including the E500 and AMG series. This sensor helps you monitor the amount of air entering your engine, which is essential for maintaining the right fuel mixture and engine performance. It’s a direct replacement, making installation straightforward and ensuring a perfect fit in your vehicle's air intake system. Before installing, it’s recommended to clean the air box and replace the air filter to keep your engine running smoothly. With its durable build, this sensor provides reliable performance and can help prevent engine issues and warning lights.

What We Like
Wide Mercedes-Benz compatibility
Accurate airflow measurement
Easy direct replacement
Improves engine performance
Durable and long-lasting
#TOP 10

CYNOSKY Tire Pressure Sensor MD345050

CYNOSKY
ShuPeiRX
One Color
One Size
CYNOSKY Tire Pressure Sensor MD345050 Cover
Auto Parts idle Motor OE:MD345050

The CYNOSKY Tire Sensor helps you keep your tires in check with precise pressure and temperature readings, ensuring your safety and peace of mind on the road. Its wireless design means you can install it quickly without dealing with messy wires, saving you time and effort. When your tire pressure or temperature goes beyond safe limits, the sensor alerts you immediately with a loud alarm and clear display, so you can take action before problems arise. Plus, this sensor works with a wide range of vehicles, from cars to trucks, making it a versatile choice for many drivers.

What We Like
Accurate tire monitoring
Wireless, easy installation
Immediate alert system
Wide vehicle compatibility
Buying Guide Image

Finding the Best Mass Air Flow Sensor Relays to Meet Your Car's Needs

What is a Mass Air Flow Sensor Relay?

A Mass Air Flow (MAF) sensor relay is an electronic component that helps regulate the flow of air into the engine of a vehicle. It does this by measuring the amount of air entering the engine and sending a signal to the engine control unit (ECU) to adjust the fuel injection accordingly. This helps ensure that the engine runs smoothly and efficiently.

Why do I need a Mass Air Flow Sensor Relay?

A faulty or malfunctioning MAF sensor relay can cause a variety of problems with your vehicle. These can include poor fuel economy, reduced engine performance, and difficulty starting the engine. In some cases, a faulty MAF sensor relay can even cause the engine to stall or shut off completely. For these reasons, it is important to choose a high-quality MAF sensor relay that will provide reliable performance and help keep your vehicle running smoothly.

How do I choose a Mass Air Flow Sensor Relay?

There are several factors to consider when choosing a MAF sensor relay. Here are some key points to keep in mind:

  • Compatibility: The MAF sensor relay must be compatible with your vehicle's make and model. This information is typically included in the product description, so make sure to check it carefully before making a purchase.

  • Brand: Choose a reputable and well-known brand for your MAF sensor relay. This will help ensure that you are getting a high-quality product that will provide reliable performance.

  • Price: MAF sensor relays can range in price from under $100 to over $200. While it is important to consider your budget, keep in mind that a higher price does not necessarily mean a better product. Do your research and compare prices from different brands before making a decision.

  • Reviews: Before making a purchase, be sure to read reviews from other customers who have used the MAF sensor relay you are considering. This will give you an idea of the product's performance and reliability.

Conclusion

Choosing the right MAF sensor relay for your vehicle is important for ensuring that your engine runs smoothly and efficiently. Consider the compatibility, brand, price, and reviews of the product before making a decision. By taking the time to do your research, you can find a high-quality MAF sensor relay that will provide reliable performance and help keep your vehicle running at its best.

Frequently Asked Questions (FAQs)

1. What are the symptoms of a faulty MAF sensor?

Some common symptoms of a faulty Mass Air Flow (MAF) sensor include difficulty starting the engine, stalling shortly after starting, hesitation or jerking during acceleration, hiccups in the engine, and excessively rich or lean idling.

2. What happens if I unplug the mass air flow sensor?

Unplugging the Mass Air Flow (MAF) sensor will trigger a fault in the MAF circuit, causing the engine control module (ECM) to detect the issue and illuminate a warning light on the dashboard. This warning light may also affect other systems such as the transmission and emissions control.

3. Can a faulty MAF sensor cause loss of power?

Yes, a faulty Mass Air Flow (MAF) sensor can cause a loss of power in the vehicle. The MAF sensor measures the amount of air the car needs to accelerate, and if it is not functioning properly and not accurately measuring the airflow, it can result in a significant loss of power.

4. What can damage a MAF sensor?

MAF sensors can be damaged by contaminants that alter their readings, leading to rough running conditions. It is important to avoid using carburetor cleaner or brake cleaner on a MAF sensor, as the chemicals in these cleaners can destroy the delicate sensors.

5. What issues can occur after replacing the mass air flow sensor?

After replacing a faulty MAF sensor, it is possible for the vehicle to have issues such as incorrect idling or a flat spot on acceleration. These issues may mistakenly be attributed to the sensor again, but other factors like contaminated or faulty lambda sensors can also trigger MAF fault codes.

6. What code will a bad MAF sensor throw?

A bad Mass Air Flow (MAF) sensor can trigger error code P0101, indicating that the MAF is out of its intended range. Other codes that may appear simultaneously include P0100-P0109, P0505-P0507, and P2096-P2099, as they have similar causes.

7. Can a car run without a MAF sensor?

A car cannot run properly without a functioning Mass Air Flow (MAF) sensor. The MAF sensor provides the powertrain control module (PCM) with important information about air intake, allowing the PCM to determine the correct amount of fuel to deliver to the engine. Without this signal, the engine may run too lean or too rich.

8. Why would a car run better with the mass air flow sensor unplugged?

If the Mass Air Flow (MAF) sensor is providing inaccurate measurements of air weight or temperature, disconnecting it may cause the engine control unit (ECU) to enter a limp mode, resulting in better idling of the car. However, this is not a recommended solution and may lead to other issues.

Editor's Notes

During our mass air flow sensor relay research, we found 24 mass air flow sensor relay products and shortlisted 10 quality products. We collected and analyzed 3,165 customer reviews through our big data system to write the mass air flow sensor relays list. We found that most customers choose mass air flow sensor relays with an average price of $26.88.

The mass air flow sensor relays are available for purchase. We have researched hundreds of brands and picked the top brands of mass air flow sensor relays, including uxcell, KOECTWYM, SKP, SDYYDS, FUELHOOD. The seller of top 1 product has received honest feedback from 12,300 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.