2003 Cadillac CTS Air Intakes

Below you will find various in-demand Cadillac Air Intakes, components and accessories for your 2003 CTS. Advance Auto Parts has popular CTS parts like Carburetor Kits, Airboxes, Throttle Bodies & Carb Parts and more. You’ll also find aftermarket and OEM Air Intakes for other CTS model years including 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 and more. Select a category of 2003 Cadillac CTS Air Intakes below and start saving instantly.

Popular 2003 Cadillac CTS Air Intakes Categories

Throttle Bodies

Intake Manifold Gasket Sets

Carburetor and Injector Seal Kits

Engine Air Duct Clips

Throttle Actuator Connectors

Engine Intake Manifold Tuning Valve Solenoid Connectors

Essential Air Intakes for 2003 Cadillac CTSs

from

$396.05

Qualities that have made SMP an industry leader for more than 95 years, innovation, engineering expertise, superior quality, meticulous testing, unmatched customer service, competitive pricing, and brand integrity, are at the heart of every TechSmart part.

Product Features:

100% NEW, never remanufactured, which maximizes performance and extends service life
Undergoes extensive testing to ensure quality and reliability out of the box
Matches OE response time for peak performance on drive by wire systems
All TechSmart® parts meet or exceed OE performance, providing today’s technician with the quality parts needed to get the job done right, the first time

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$239.99

GM Genuine Parts Fuel Injection Throttle Bodies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These throttle bodies are located on the intake manifold, and contain the throttle plate(s) that control the air entering the engine. The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Helps provide air flow for proper fuel/air mixture
Allows for a quick throttle response
Assists in cold engine starts
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$362.99

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Helps provide air flow for proper fuel/air mixture
Allows for a quick throttle response
Assists in cold engine starts
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$499.99

All CARDONE 100% New Electronic Throttle Bodies are guaranteed to fit and function like the original due to our proprietary engineering standards. Each unit is built and tested as a complete assembly to ensure quick installation and reliable performance. All components match O.E., ensuring accurate air flow in all driving conditions and peak engine performance.

Product Features:

Critical components used in manufacturing the electronic throttle body, including the housing, throttle plate, position sensors, throttle actuator motor and throttle plate return spring conform to precise O.E. dimensions.
Each throttle body is tested for all critical functions, including response time and air flow at multiple points, ensuring an optimal fuel/air ratio.
100% computerized testing of motor, throttle position sensor and articulation ensures reliable and consistent performance.
Each unit is guaranteed to fit and function like the original.

from

$34.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

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$94.68

WARNING: This item cannot be returned for a replacement or refund if opened! Mahle is the largest gasket manufacturer in the world, providing you original equipment design and quality and world class aftermarket service. Mahle does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Mahle gaskets prove it every day.

Product Features:

Original equipment design and quality
Head sets give you original equipment form, fit, and function
Utilizes OE equivalent or better materials in all head sets
Packaged in shrink wrapped tray
Every part you need to complete your gasket repair in one package unless otherwise stated

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$72.99

Withstanding harsh environments, while sealing fuel, air, coolant, and oil, is the challenging task for intake manifold gaskets. Victor Reinz product coverage includes upper manifold (plenum) gaskets, lower intake manifold gaskets and additional gaskets and seals as required. Victor Reinz engineers choose from the worlds broadest range of gasket materials and constructions, and select the best design for the specific engine, whether it is import, domestic, heavy cast iron or lightweight aluminum.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$29.99

MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
Intake manifold gasket set contains manifold gasket(s) needed to replace an intake manifold.
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$62.99

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$44.99

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$30.49

ACDelco GM Original Equipment Engine Intake Manifold Tuning Valve Solenoid Connector is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This original equipment connector will provide the same performance, durability, and service life you expect from General Motors.

Product Features:

GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$4.49

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$3.99

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application.
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$4.49

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$7.79

CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:

Premium OE quality materials
Services one injector

Upgrade your 2003 Cadillac CTS with Top-Quality Air Intakes

When it comes to maintaining or upgrading your 2003 Cadillac CTS, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Air Intakes are key to keeping your CTS functioning at its best. At Advance Auto Parts, we offer a wide selection of 10 Air Intakes for the 2003 Cadillac CTS, designed to meet your needs without breaking the bank. From Carburetor Kit replacements to Airboxes upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Air Intakes for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Air Intakes for your 2003 Cadillac CTS at great prices. Our Air Intakes inventory for this model ranges from just $3.99 to $568.99, with an average price of $178.96. Our 10 Air Intakes in stock come from 6 trusted brands, so you’re sure to find the right part for your 2003 Cadillac CTS without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Air Intake upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Cadillac CTS is always ready to roll. We’re committed to providing you with everything you need to keep your CTS in top shape, all in one place. Start shopping confidently below for your 2003 Cadillac CTS!

Best-Selling Carburetor Kits for 2003 Cadillac CTSs

Enhance the driving experience in your Cadillac with 1 quality Carburetor Kit components, starting at $7.79.

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from

$7.79

Premium OE quality materials
Services one injector

Top Picks for 2003 Cadillac CTS Throttle Bodies & Carb Parts

Upgrade Cadillac CTSs with top-quality Throttle Bodies & Carb Parts parts, including 1 OEM and aftermarket selections for your 2003 model.

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from

$62.99

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

In-Demand Throttle Body Parts for 2003 Cadillac CTSs

Select from 3 premium Throttle Body Parts parts for your 2003 Cadillac CTS, with prices ranging from $435.99 to $568.99.

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$568.99

ACDelco GM Original Equipment Fuel Injection Throttle Bodies are GM-recommended replacements for your vehicle’s original components. They are located on the intake manifold, and contain the throttle plate(s) that control the air entering the engine. The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. These original equipment fuel injection throttle bodies have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Helps provide air flow for proper fuel/air mixture
Allows for a quick throttle response
Assists in cold engine starts
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

from

$499.99

Critical components used in manufacturing the electronic throttle body, including the housing, throttle plate, position sensors, throttle actuator motor and throttle plate return spring conform to precise O.E. dimensions.
Each throttle body is tested for all critical functions, including response time and air flow at multiple points, ensuring an optimal fuel/air ratio.
100% computerized testing of motor, throttle position sensor and articulation ensures reliable and consistent performance.
Each unit is guaranteed to fit and function like the original.

from

$435.99

Every CARDONE Remanufactured Electronic Throttle Body undergoes a proprietary disassembly, inspection and renewal process. Each component is meticulously evaluated and then renewed or replaced, depending on whether the component meets our stringent engineering standards. A proprietary cleaning process prevents the throttle bore surface from deformity, ensuring optimum airflow. Every unit is tested for all critical functions, including response time and air flow at multiple points to ensure peak performance.

Product Features:

Each unit is disassembled and meticulously inspected. Each component is inspected, remanufactured or replaced resulting in reliable and consistent performance.
A specialized component cleaning process prevents the throttle bore surface from being deformed, ensuring optimum air flow.
The high and low integrated throttle position sensors are tested to match O.E. characteristics throughout the entire operational range.
Final assemblies are tested for all critical functions, including response time and air flow at multiple points.
Each unit is guaranteed to function like the original.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.

Most Sold 2003 Cadillac CTS Intake Manifold Parts

Explore our best-selling Cadillac parts for the 2003 CTS among 3 OEM and aftermarket options starting from $44.99.

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from

$65.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function
Includes all parts needed to complete the repair
Includes all parts needed to complete the repair

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$94.35

Original equipment design and quality
Head sets give you original equipment form, fit, and function
Utilizes OE equivalent or better materials in all head sets
Packaged in shrink wrapped tray
Every part you need to complete your gasket repair in one package unless otherwise stated

from

$44.99

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

FAQs for 2003 Cadillac CTS Air Intakes

Which Air Intakes are best-sellers for 2003 Cadillac CTSs?

Out of 10 Air Intakes that fit 2003 Cadillac CTSs, the following parts are the top sellers:

Fuel Injector Seal Kit (11450392) – $7.79
GM Bumper Retainer (11910885) – $4.49
Nylon Grill Bumper Retainer (11224063) – $3.99

What’s the price range for 2003 Cadillac CTS Air Intakes?

Air Intake prices for the 2003 Cadillac CTS start at $3.99 and go up to $568.99 for the most premium parts.

What’s the average price of a Air Intake for a 2003 Cadillac CTS?

The average price for Air Intakes for the 2003 Cadillac CTS is $178.96. Keep in mind the variety of part types within our Air Intake category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Air Intakes for other Cadillac CTS model years?

Yes, we currently carry Air Intakes for 16 model years of Cadillac CTSs between 2004 and 2019. Air Intakes are bought most frequently for the following model years: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

What are the cheapest Air Intakes for my 2003 Cadillac CTS?

The cheapest 2003 Cadillac CTS Air Intakes we carry in stock are:

Nylon Grill Bumper Retainer (11224063) – $3.99
GM Bumper Retainer (11910885) – $4.49
Fuel Injector Seal Kit (11450392) – $7.79
Cornering Light Connector (12441388) – $44.99
Headlight Level Sensor Connector (12441167) – $62.99

What types of Air Intakes do you sell for my 2003 Cadillac CTS?

As of 2/5/25, these are some of the most in-demand types of Air Intakes for a 2003 Cadillac CTS:

Can I get help with 2003 Cadillac CTS Air Intake orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Air Intakes and more.

What is your return policy for Cadillac CTS Air Intakes?

Advance Auto Parts keeps returns simple. For new Cadillac CTS Air Intakes and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Cadillac CTS Air Intakes

Tech Smart – Fuel Injection Throttle Body (Part No.S20004)

GM Genuine Parts – Throttle Body: New, Original Equipment (Part No.12670981)

GM Genuine Parts – Throttle Body: New, Original Equipment (Part No.217-3151)

Cardone New – New Fuel Injection Throttle Body (Part No.6E-3015)

Felpro – Engine Intake Manifold Gasket Set (Part No.MS 92438)

Mahle – Intake Manifold Gasket Set (Part No.A8043431419MAH)

Victor Reinz – Intake Manifold Gasket Set: Multi Piece Set (Part No.11-10772-01)

MAHLE Original – Engine Intake Manifold Gasket Set (Part No.MS19966)

Carquest Premium – Headlight Level Sensor Connector (Part No.PTA1562)

Carquest Premium – Cornering Light Connector (Part No.PTA2089)

ACDelco – Intake Manifold Tuning Valve Solenoid Pigtail (Part No.PT2045)

Dorman – GM Cowl Retainer (Part No.961-362D)

Dorman – Nylon Grill Bumper Retainer (Part No.961-364)

Dorman – GM Bumper Retainer (Part No.961-364D)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

Dorman – GM Bumper Retainer (Part No.961-364D)

Dorman – Nylon Grill Bumper Retainer (Part No.961-364)

Carquest Premium – Headlight Level Sensor Connector (Part No.PTA1562)

ACDelco – Throttle Body: New, Original Equipment (Part No.9128412)

Cardone New – New Fuel Injection Throttle Body (Part No.6E-3015)

Cardone – Electric Throttle Body: Remanufactured (Part No.67-3015)

Felpro – Engine Intake Manifold Gasket Set (Part No.MS 96103)

Mahle – Intake Manifold Gasket Set (Part No.A8043575376MAH)

Carquest Premium – Cornering Light Connector (Part No.PTA2089)