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Updated on Jan 31, 2024

John Davis

Expert Automotive Writer

Reviewed by Kathleen Flear, Director of Content

Edited by Jessica Barrett, Senior Car & Insurance Editor

What's on this page?

How much does it cost to replace an air injection hose?
Where can I get my air injection hose replaced?
How will a mechanic replace my air injection hose?
What happens if I don’t replace the air injection hose?
What is an air injection hose replacement?
Can I replace the air injection hose myself?
FAQs
Meet Our Experts

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How much does it cost to replace an air injection hose?

You can expect an average total replacement cost of $221 for an air injection hose, with $88 for parts and $133 for mechanic labor. The exact price will depend on your vehicle.

How long does it take to replace an air injection hose? In general, it takes around 1.1 hours hours for a certified mechanic to complete the job. Your mechanic will perform a preliminary inspection to determine if a replacement is necessary, then follow through with the full replacement.

Here’s an overview of air injection hose replacement costs for different vehicles:

Air injection hose replacement cost for various vehicles

Estimate Date	Customer	Car	Fair Cost Estimate	Parts Cost	Labor Cost	Labor Time
April 16, 2024	Georgia, 25 Westfield, MA	Alfa Romeo Giulia	$224	$114	$111	1.0 Hours
April 13, 2024	Lillie, 31 Peoria, AZ	Chrysler Pacifica	$184	$50	$135	1.0 Hours
April 12, 2024	Jean, 33 Anaheim, CA	Mazda CX-5	$176	$50	$127	1.0 Hours
April 11, 2024	William, 33 Salem, OR	Dodge Durango	$236	$114	$123	1.0 Hours
April 5, 2024	Sallie, 44 Boulder, CO	Saab 9-7X	$164	$50	$114	1.0 Hours

How did we estimate these prices?
Jerry's experts researched and collected data from 2500+ real repair shops in all 50 states in the US, including everything from the total cost of repair services to the hourly labor cost for mechanic labor in each shop. We combined that data with our expert database of hundreds of real repair jobs, thousands of real cars, millions of real car part prices in order to best estimate the cost of each repair service. Our labor cost estimate is calculated by taking the average hourly labor rate for a certified mechanic in the US, times the number of hours it takes on average to complete a repair. We recommend you compare your local shops with Jerry and contact those shops directly to get final pricing for your vehicle.

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What parts do I need for an air injection hose replacement and how much do they cost?

The air injection hose is a simple component of your vehicle’s emissions system. While this system has several parts, the air injection hose is only a single part—if it breaks, it’s generally the only part you’ll need to replace.

Luckily, a new hose won’t break the bank. The average total cost for a new air injection hose is between $40.62 and $49.64.

However, depending on the extent of damage and where the problem is, several other parts in the emissions system could need replacing and may cost more. These include:

PCM

Air injection relay

Air injection pump

Hoses

Valves

You can purchase air injection hose parts for your car from auto parts stores like AutoZone, NAPA Auto Parts, and Advance Auto Parts, as well as online retailers such as Amazon and RockAuto. Three brands we recommend for air injection hose parts are Dorman, Gates, and ACDelco. However, the best part and brand for your air injection base will vary depending on your vehicle’s year, make, and model.

Is an air injection hose necessary?

The air injection hose is part of the emissions system. Its job is to ensure sufficient clean air and oxygen are supplied to the engine. The hose must have the proper shape and flexibility to allow for proper fit in the engine compartment and good flow characteristics.

Where can I buy a new air injection hose?

Most automotive stores—in-store and online—will sell new aftermarket air injection hoses. You can also find them through online auto parts stores like AutoZone, NAPA Auto Parts, and Advance Auto Parts and stores like Amazon and RockAuto. If you’re looking for OEM parts, you may have to contact your local dealership.

Find out what parts are recommended for my car

Where can I get my air injection hose replaced?

With the rundown on 2,500+ vetted repair shops nationwide, Jerry's

GarageGuard™

can make the search for a mechanic to replace your air injection hose a lot easier.

Jerry's GarageGuard™ compares fair price estimates from local shops using actual hourly rates. You’ll be able to budget for diagnostic fees and see reviews from previous customers to make sure you’ll be happy with your service.

Here’s a look at some of our vetted shops below—and you can download the app to compare car repair quotes in your area.

195 Reviews

Wrench - San Antonio

Air Injection Hose Replacement Cost

Fair Cost Estimate for This Shop

$191

(Parts - $45, Labor - $146)

Shop Diagnostic Fee

(Included in service charges)

$150

Compare this shop for free with Jerry

170 Reviews

Goodyear Auto Service - Gervais

1400 Gervais Street Suite 2, Columbia, SC

Air Injection Hose Replacement Cost

Fair Cost Estimate for This Shop

$185

(Parts - $45, Labor - $140)

Shop Diagnostic Fee

(Included in service charges)

$39.95

Compare this shop for free with Jerry 803-799-5950

174 Reviews

Yoo's Auto Service & Collision

189 W Duncannon Ave, Philadelphia, PA

Air Injection Hose Replacement Cost

Fair Cost Estimate for This Shop

$144

(Parts - $45, Labor - $99)

Shop Diagnostic Fee

(Included in service charges)

$100

Compare this shop for free with Jerry (215) 457-7777

164 Reviews

Purrfect Auto Service - Tustin

3075 Edinger Ave, Tustin, CA

Air Injection Hose Replacement Cost

Fair Cost Estimate for This Shop

$196

(Parts - $45, Labor - $151)

Shop Diagnostic Fee

(Included in service charges)

$129

Compare this shop for free with Jerry (949) 653-0100

How did we vet these shops?
Jerry experts researched 2500+ real repair shops across the US. We talked to real shop customers, and analyzed both real shop pricing data and thousands of real customer reviews from each shop to verify them individually. We do not partner with the shops listed above, and our analysis is always unbiased.

How will a mechanic replace my air injection hose?

A mechanic will usually complete the following steps to replace your air injection hose:

Thoroughly examine all air injection hoses

Identify the malfunctioning (usually cracked) hose

Remove and replace the cracked hose

Make sure the Air Pump is working properly

Inspect all valves and system hoses to confirm they’re in working order

What happens if I don’t replace the air injection hose?

The purpose of an air injection hose is to deliver extra air to the exhaust system to convert carbon monoxide to carbon dioxide. Simply put, it takes air from outside your car and pumps it to the exhaust system. If the air injection hose fails or is faulty, the exhaust system will have low air intake. Although you may not notice a significant decrease in your car’s performance, your vehicle will deliver more pollutants into the air and may not

pass emissions testing

What is an air injection hose replacement?

The air injection hose is one piece of a larger air injection system, which, as a whole, pulls air from outside of your car and makes sure it gets to your car’s exhaust system, where it converts CO into CO2. The air injection hose’s job is to pump the clean air into the exhaust system. If it ceases to perform this essential function, it needs to be replaced.

Given their high usage, air injection hoses crack over time, so it’s important to get them inspected regularly.

It’s recommended that you replace your air injection hose when your air injection hose ceases to pump outside air into your car’s exhaust system properly.

How do I know if my air injector hose needs replacing?

There are two common clues that you need to replace your air injection hose

Your check engine light turns on

Your vehicle fails its latest emissions inspection

If either has happened recently to your car, you may need an air injection hose replacement and should seek a mechanic’s professional opinion immediately.

How often should the air injection hose be replaced?

Whenever your engine is on, the air injection hose is working. But unlike some car components, you may never need to replace your air injection hose. The hose’s life expectancy isn’t measured by how often you drive or your mileage. That said, any type of hose is vulnerable to deterioration with age. The rubber can become brittle and crack, so it’s best to check your air injection hose during

routine car maintenance

to ensure it’s in working condition.

Can I replace the air injection hose myself?

If your air injection hose needs replacing, it’s generally a pretty quick job that can be done at home with the right tools and equipment. But if you’re not comfortable under the hood of a car or don’t have much automotive knowledge, it’s best to leave the air injection hose replacement to a professional mechanic.

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FAQs

What does the air injection hose do?

Every vehicle has an emissions system designed to reduce the pollution the car emits. The air injection hose is an important part of the secondary air injection system that provides extra air into the system to help convert the exhaust fumes (carbon monoxide) into a less toxic byproduct, carbon dioxide (CO2).

What are the signs of a bad air injection hose?

Regular inspections of the air injection hose are important to ensure it’s working correctly. The most common symptoms of a bad or failing air injection hose are:

Signs of wear or damage

Idling issues

Check engine light is illuminated

How much does it cost to replace an air injection hose?

The average repair cost for an air injection hose is $221. You’ll pay about $88 for parts and $133 for labor. However, you may pay more or less than the average cost due to differences in the parts needed for different vehicle makes and models. You could also have additional costs if other parts, such as the catalytic converter, are damaged and need replacing.

Meet Our Experts

John Davis

Car Expert

Certified mechanic with 10+ years of experience

John Davis is an expert automotive writer and former automotive mechanic. John's work spans multiple categories, and he relishes the opportunity to research a new subject and expand his area of expertise and industry knowledge. To date, John has written more than 200 articles covering car maintenance and care, car advice, how-to guides, and more.

Prior to joining Jerry’s editorial team, John worked as a mechanic and freelance writer, creating content for clients including HotCars and SetPower.

Jessica Barrett

Car Expert

Jessica Barrett is a senior insurance writer and editor with 10 years of experience in the automotive and travel industries. A specialist in car insurance, car loans, and car ownership, Jessica’s mission is to create comprehensive content that car owners can use to manage their costs and improve their lives. As a managing editor for a team of writers and insurance specialists, Jessica has edited over 2,000 articles for Jerry on topics ranging from local insurance shopping tips to refinancing car loans with bad credit.

Before joining Jerry as a senior content editor in 2021, Jessica created visual content for clients such as Expedia, Vivid Seats, Budget Direct Car Insurance, Angie’s List, and HomeAdvisor. Her content was published in Business Insider, Forbes, Apartment Therapy, and the BBC.

Kathleen Flear

Car Expert

Kathleen Flear is an expert insurance writer and editor who heads up Jerry’s editorial team as director of content. Kathleen empowers drivers to make smart car ownership decisions through best-in-class articles on insurance, loans, and maintenance. Prior to joining Jerry in 2021, Kathleen served as managing editor for a team of SEO content marketing professionals at Article-Writing.co and worked as a freelance writer and editor for a range of digital publications, including Chicago Literati magazine and Golden Words. She earned a bachelor’s degree in English language and literature from Queen’s University, and a master’s degree in creative writing and fiction from Sierra Nevada University.

*The price information provided on our car repair webpages is intended for general informational purposes only. Actual prices for car repair services may vary based on various factors, including but not limited to the make and model of your vehicle, the extent of repair required, and the prevailing market conditions. All prices for real repair shops are estimations based on our research only. Therefore, the prices listed on our webpages should not be considered as final quotes or binding offers.