2003 Cadillac CTS Air Intakes
Find Your Specific 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 Airboxes, Throttle Bodies & Carb Parts, Throttle Body 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
Essential Air Intakes for 2003 Cadillac CTSs
Edelbrock – Pro-Flo XT Small Block Chevy LS2 EFI Black Intake Manifold (Part No.71403)
from
$865.99
Edelbrock part #71403 Pro-Flo XT LS2 EFI intake manifold is engineered with a large plenum and tapered runners to deliver maximum horsepower and broad torque band throughout the rpm range (1500-7000 rpm). Features include a 90mm throttle bore opening and
Product Features:
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Product Features:
- 1500-7000 RPM Range
- Single Plane Type-Throttle Body XT Style Flange
- 10.2 in. Front Height, 10.2 in. Center Height, 10 in. Rear Height
- Black Powder Coated Finish
- Made In The USA
MSD Ignition – Atomic; AirForce; LS1; 2; 6; Intake Manifold (Part No.2702)
from
$1349.99
When you’re serious about power for your LS or new LT1 engine, call in the AirForce! The all-new MSD Atomic AirForce intake manifold delivers improved airflow and distribution to improve the performance of stock and modified engines. The unique bell-mouthed runner entrances maximize airflow and minimize shrouding – all while optimizing the available plenum volume for an unobstructed flow path over opposing runners. The polymer molded 2-piece design allows for easy access to the runners for porting. Atomic AirForce accepts an OEM or 103mm throttle body as well as stock or aftermarket fuel rails including MSD’s Atomic LS EFI system. The intake bolts on and is supplied with new gaskets and hardware for a direct bolt-on package.
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Product Features:
- Polymer Material Resists Heat Soak
- 103mm Throttle Bore For Greater Air Flow
- Direct Flow Path Runner Design
- Allows For The Use Of Stock Fuel Rails
Idemitsu – Type TLS Automatic Transmission Fluid, 1 Quart (Part No.30040093-75000C)
from
$14.49
Formulated to meet the specific requirements of Toyota, Lexus, and Scion vehicles equipped with conventional (non-CVT) transmissions that require the use of ATF T-IV. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF T-IV is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. IDEMITSU is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. IDEMITSU application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.
Product Features:
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Product Features:
- Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
- Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
- Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
- Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
- Advanced anti-wear technology provides maximum protection to gears and bearings
- Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
Holley – Intake Manifold (Part No.300-126)
from
$1099.99
The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake Manifold along with a purpose built plenum base Adapter and a Holley 92MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold. With a max overall height of only 10.44in., the Mid-Rise Manifold is an excellent choice for street and performance street/strip applications with a powerband from 1,500-6,500 RPM and limited hood clearance. It’s perfect for a blow-thru or turbocharged application. Being part of the Holley modular intake line means that this intake is not only available as a complete kit with intake, adapter, 92MM top and fuel rails, but all parts can also be purchased separately for a custom intake build. The plenum Adapter (PN 300-231) will accept all of the popular Holley Hi-Ram plenum tops as a foundation for custom induction systems.
Product Features:
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Product Features:
- Performance To 6500 Rpm w/ Look Of A Racing EFI Intake Manifold
- Dualplane Layout w/EFI Manifold Plenum For Great Mid-Range Torque
- Great For Supercharged Or Turbocharged Engines
- Power Band From 1500-6500 RPM
- May Require An Aftermarket Hood For Some Vehicle Applications
- Cast Aluminum Construction
- 92Mm EFI Plenum Top
Dorman – Electronic Throttle Body (OE Fix) (Part No.977-806)
from
$528.99
When a vehicle idles erratically, displays a malfunction indicator lamp or sets DTCs, the cause might be oil ingress or dirt and carbon buildup in the electronic throttle body. This replacement electronic throttle body is designed to match the performance of the original equipment unit on specified vehicles and is built from high-quality materials with exacting standards to help prevent future failures.
Product Features:
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Product Features:
- Direct replacement – this replacement electronic throttle body is designed to match the performance of the original equipment throttle body on specified vehicles
- Ideal solution – engineered to help restore proper engine performance when the factory throttle body is malfunctioning due to oil ingress or dirt and carbon buildup, resulting in DTCs and erratic idle
- Durable construction – features high-quality materials engineered and manufactured to exacting standards to help prevent future failures
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Cardone New – New Fuel Injection Throttle Body (Part No.6E-3015)
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:
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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.
Bosch – Electronic Throttle Body: New, Original Equipment Supplier (Part No.F00H600073)
from
$239.99
OE Throttle Body Assemblies. The throttle body is an essential part of the inlet air stream of the modern gasoline engine. In combination with the electronic throttle control system, the throttle body assembly is designed to control the amount of fresh air entering the engine. Manufactured in U.S.A. on OE production line.
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Product Features:
- Actual OE Product
- Plug & Play – No flash update needed
- Exact fit, form, and function
- Manufactured worldwide on OE production lines
- Contains an actuator, a throttle plate and a throttle position sensor (potentiometer), which are integrated into one housing
GM Genuine Parts – Electronic Throttle Body: New, Original Equipment (Part No.12681472)
from
$221.99
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).
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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
Dorman – Push-Type Rocker and Fender Liner Retainer – 3/8 In. Hole (Part No.963-122D)
from
$4.99
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:
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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
Dorman – Nylon Cowl Retainers GM (Part No.961-362)
from
$2.99
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:
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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
Dorman – Bumper Retainer-Exterior-GM (Part No.963-202)
from
$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:
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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
Dorman – GM Bumper Retainer (Part No.961-364D)
from
$4.99
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:
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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
Victor Reinz – Fuel Injection Throttle Body Mounting Gasket (Part No.71-16610-00)
from
$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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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.
GM Genuine Parts – Fuel Injection Throttle Body Seal (Part No.217-1618)
from
$30.49
GM Genuine Parts Fuel Injection Throttle Body Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help provide an air- and liquid-tight connection between throttle body components, and are GM-recommended replacements for your vehicle’s original components. Replace this seal whenever you service the throttle body. 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:
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Product Features:
- Helps prevent excess air form entering the intake
- Helps seal the intake and throttle from the elements
- 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
GM Genuine Parts – Fuel Injection Throttle Body Mounting Gasket (Part No.40-5093)
from
$5.99
GM Genuine Parts Fuel Injection Throttle Body Mounting Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help provide an air-tight seal between the throttle body and the intake manifold, and are GM-recommended replacements for your vehicle’s original components. Replace this gasket whenever you service the throttle body, as leaks can negatively affect the air/fuel ratio and compromise performance. 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:
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Product Features:
- Helps prevent excess air form entering the intake
- Helps seal the intake and throttle from the elements
- 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
Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61699)
from
$10.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Each gasket set is built to meet or exceed all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61614)
from
$8.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Intake Manifold Gasket Set (Part No.MS 97240-1)
from
$78.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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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
Victor Reinz – Engine Intake Manifold Gasket Set (Part No.11-10965-01)
from
$35.99
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:
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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.
Victor Reinz – Intake Manifold Gasket Set: Multi Piece Set (Part No.11-10331-01)
from
$74.99
Product Features:
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- 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.
- For those who demand the maximum durability and reassurance of steel carrier gasket designs, Victor Reinz offers a broad range of MaxDry STL gaskets.
- It is critical that the molded rubber sealing areas resist all the possible fuels, coolants and oil formulations used in these vehicles. Victor Reinz engineers have utilized only premium grade FKM synthetic rubber for this purpose.
- Coverage includes GM, Ford, Toyota, Nissan, and Mazda vehicles.
Felpro – Engine Intake Manifold Gasket Set (Part No.MS 92438)
from
$35.99
Product Features:
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- 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
Felpro – Engine Intake Manifold Gasket Set (Part No.MS 97240-2)
from
$47.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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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
Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.45813)
from
$1.99
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:
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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
Dorman – Nylon Nut – 1/4 In. (No.14) (Part No.961-351D)
from
$4.99
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:
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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
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 9 Air Intakes for the 2003 Cadillac CTS, designed to meet your needs without breaking the bank.
From
Airbox
replacements to
Throttle Bodies & Carb Parts
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 $1.99 to $528.99, with
an average price of $125.69.
Our 9 Air Intakes in stock come from 4 trusted brands, so you’re sure to find the right part for your 2003 Cadillac CTS without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Cadillac CTS, we stock popular OEM and aftermarket Air Intakes from top names
like Idemitsu, and more.
Idemitsu Air Intakes
start at just $14.49 and boast an impressive 4.9 stars average rating from customers.
With 4 customer reviews and counting, our 2003 Cadillac CTS Air Intakes have a strong track record of reliability, ensuring you can trust your purchase.
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 Airboxes for 2003 Cadillac CTSs
Enhance the driving experience in your Cadillac with 4 quality Airbox components, starting at $1.99.
Dorman – GM Bumper Retainer (Part No.961-364D)
from
$4.99
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:
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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
Dorman – Nylon Nut – 1/4 In. (No.14) (Part No.961-351D)
from
$4.99
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:
See More
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
Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.45813)
from
$1.99
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:
See More
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
Dorman – Push-Type Rocker and Fender Liner Retainer – 3/8 In. Hole (Part No.963-122D)
from
$4.99
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:
See More
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
Most Popular 2003 Cadillac CTS Throttle Bodies & Carb Parts
Customize your Cadillac with 1 Throttle Bodies & Carb Parts products
like Throttle Body Mounting Gaskets, all
priced under $4.79.
Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61184)
from
$4.79
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:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Top Picks for 2003 Cadillac CTS Throttle Body Parts
Upgrade Cadillac CTSs with top-quality Throttle Body Parts parts, including 2 OEM and aftermarket selections for your 2003 model.
Dorman – Electronic Throttle Body (OE Fix) (Part No.977-806)
from
$528.99
When a vehicle idles erratically, displays a malfunction indicator lamp or sets DTCs, the cause might be oil ingress or dirt and carbon buildup in the electronic throttle body. This replacement electronic throttle body is designed to match the performance of the original equipment unit on specified vehicles and is built from high-quality materials with exacting standards to help prevent future failures.
Product Features:
See More
Product Features:
- Direct replacement – this replacement electronic throttle body is designed to match the performance of the original equipment throttle body on specified vehicles
- Ideal solution – engineered to help restore proper engine performance when the factory throttle body is malfunctioning due to oil ingress or dirt and carbon buildup, resulting in DTCs and erratic idle
- Durable construction – features high-quality materials engineered and manufactured to exacting standards to help prevent future failures
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Cardone New – New Fuel Injection Throttle Body (Part No.6E-3015)
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:
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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.
In-Demand Intake Manifold Parts for 2003 Cadillac CTSs
Select from 2 premium Intake Manifold Parts parts for your 2003 Cadillac CTS, with prices ranging from $14.49 to $65.99.
Idemitsu – Type TLS Automatic Transmission Fluid, 1 Quart (Part No.30040093-75000C)
from
$14.49
Formulated to meet the specific requirements of Toyota, Lexus, and Scion vehicles equipped with conventional (non-CVT) transmissions that require the use of ATF T-IV. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF T-IV is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. IDEMITSU is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. IDEMITSU application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.
Product Features:
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Product Features:
- Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
- Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
- Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
- Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
- Advanced anti-wear technology provides maximum protection to gears and bearings
- Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
Felpro – Engine Intake Manifold Gasket Set (Part No.MS 96103)
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:
See More
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
Top-Rated Air Intakes Brands For Your 2003 Cadillac CTS
Shop for the best-rated brands offering Air Intakes and other products for your 2003 Cadillac CTSs. Below you’ll find some of our best rated Air Intakes from Idemitsu, and more. Air Intakes from these brands that fit a 2003 CTS start at just $14.49 and are rated as high as 4.9 stars. OEM and aftermarket Air Intakes don’t get more top quality, durable, and affordable than from the brands below.
Popular Idemitsu 2003 Cadillac CTS Air Intakes
When it comes to maintaining or upgrading your 2003 Cadillac CTS, using quality Air Intakes is essential to ensure durability and a perfect fit. Idemitsu ticks all of those boxes. We offer a wide selection of Idemitsu Air Intakes, specifically designed for the 2003 Cadillac CTS. With over 1 Idemitsu brand Air Intakes in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.49. Plus, with over 2 customer reviews and an average rating of 4.9 stars, you can trust that our Idemitsu Air Intakes will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
FAQs for 2003 Cadillac CTS Air Intakes
Which Air Intakes are best-sellers for 2003 Cadillac CTSs?
Out of 9 Air Intakes that fit 2003 Cadillac CTSs, the following parts are the top sellers:
- GM Bumper Retainer (11910885) – $4.99
- Nylon Nut – 1/4 In. (No.14) (11911189) – $4.99
- Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (9110071) – $1.99
What’s the price range for 2003 Cadillac CTS Air Intakes?
Air Intake prices for the 2003 Cadillac CTS start at $1.99 and go up to $528.99 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 $125.69. 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?
What are the cheapest Air Intakes for my 2003 Cadillac CTS?
The cheapest 2003 Cadillac CTS Air Intakes we carry in stock are:
- Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (9110071) – $1.99
- Fuel Injection Throttle Body Mounting Gasket (20688699) – $4.79
- GM Bumper Retainer (11910885) – $4.99
- Nylon Nut – 1/4 In. (No.14) (11911189) – $4.99
- Push-Type Rocker and Fender Liner Retainer – 3/8 In. Hole (12580470) – $4.99
What types of Air Intakes do you sell for my 2003 Cadillac CTS?
As of 11/2/25, 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.
