2003 Cadillac Seville Performance Parts

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    • (0 reviews)
      # 81746240
      Cadillac Seville 2003, Touring™ 304 SS Cat-Back Exhaust System with Quad Rear Exit by Corsa®. Exhaust Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.5". Exhaust System Sound: Moderate. The patented...
      $1,325.30 - $1,563.00
    • (0 reviews)
      # mpn1765017
      Cadillac Seville 2003, 1-Click Z23 Evolution Sport Drilled and Slotted Front Brake Kit with Calipers by Power Stop®. Get superior benefits of ceramic pads and cross-drilled rotors in the Power Stop 1-Click Brake kit. These components...
      $281.78
    • (1 review)
      # 257090812
      Cadillac Seville 2003, Air Ditcher™ Air to Coil Conversion Kit by Unity®. Quantity: Sold as a Kit. Unity offers conversion kit that allow you to replace costly and worn air suspension springs and other components that are no longer...
      $131.91 - $198.90
    • (1 review)
      # 377129946
      Cadillac Seville 2003, 33 Series Panel Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air...
      Designed to boost horsepower and rate of accelerationCan be cleaned and used again
      $50.99
    • (0 reviews)
      # mpn4478773922
      Universal User Configurable LCD Dash Display by Auto Meter®. Designed specifically for the harshest of environments, the carbon composite housing is IP65 sealed against water and dust intrusion and will easily withstand 20g of...
      7.0” TFT LCD panel, 1000 nit brightness for unmatched daytime and nighttime visibility with 800x480 resolution. Onboard photo sensor for automatic brightness controlDimensions - 8.3" Wide x 5.2" High x 1.4" Deep
      $2,832.00
    • (0 reviews)
      # 681874969
      Cadillac Seville 2003, Oil Filter by Royal Purple®.
      100% synthetic micro-glass media that catches 99% of particles 25 microns and larger, and 80% of particles 10 microns and largerHigh-performance silicone anti-drain back valve that prevents dry starts, even in extreme conditions
      $11.99
    • (1 review)
      # 23609969
      Cadillac Seville 9 Engine VIN Character 2003, Rapid-Cool™ Reversible Fan Kit by Hayden®. This product can be used for either primary or add-on cooling. The Hayden Rapid-Cool fan features a thin, aerodynamic profile and reversible...
      Reversible push/pull operationThin, aerodynamic profile for applications with limited space
      $55.07 - $98.32
    • (0 reviews)
      # 693564305
      Cadillac Seville 2003, Racing 10" Bolt Together Spragless Torque Converter by Transmission Specialties®. Diameter: 10". This Transmission Specialties converter simply loves power and is amazingly efficient in high horsepower...
      Most efficient torque converter on the marketSpragless converter for unsurpassed durability
      $2,213.04 - $2,355.64
    • (0 reviews)
      # 710201573
      Cadillac Seville 2003, Nitrous System Conversion Kit by Edelbrock®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $226.95 - $255.95
    • (3 reviews)
      # 803907434
      Cadillac Seville Y Engine VIN Character 2003, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 964195576
      Cadillac Seville 2003, High Performance P-Series Power Steering Pump Kit by PSC Motorsports®. This is a complete pump and reservoir kit which features the SP1405 high performance pump, SR146K reservoir and suction/return hose kit. This...
      Reliable solution for your steering needsDesigned with functionality in mind
      $442.72
    • (0 reviews)
      # 985154426
      Universal Advanced Lightweight 12V AGM Battery by Braille Battery®. Battery Type: AGM. Voltage: 12V. Batteries have always presented the same problems of weight, safety, and cost. In racing, aerospace, and advanced technology...
      Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design
      $149.99 - $229.99
    • (0 reviews)
      # 692945960
      Cadillac Seville 2003, Front Wheel Hub Assembly by Spyder®. Get maximum performance with Spyder wheel hubs and bearings. Designed for your specific application, they feature high quality and deliver reliable function for maximum...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $63.63 - $71.71
    • (0 reviews)
      # 48222560
      Club X-1 Full Face ATM (Advance Thermo Material) Racing Helmet by Sparco®. Certification: ECE 05; Material: ATM (Advance Thermo Material) Designed for indoor kart racing where a fire proof helmet isn't required, this product is...
      Designed for indoor kart racingProvides ultimate protection
      $140.00
    • (0 reviews)
      # 450479564
      Universal PowerPack™ Turbocharger System by Banks®. The Banks Power Dual Exhaust PowerPack System is the complete towing package your pickup truck, with extended cab short bed configuration, deserves.
      Stunning Top GainsImproved Mileage
      $2,198.00 - $2,798.00
    • (0 reviews)
      # mpn1120830
      Cadillac Seville 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 3"....
      $333.71
    • (0 reviews)
      # 4195086
      Cadillac Seville 2003, Redstuff Ceramic Low Dust Brake Pads by EBC®. This set of replacement ceramic brake pads offers OEM quality fit and operation with the superior stopping power, longer life, reduced brake fade, and lower dust...
      $89.13 - $103.10
    • (0 reviews)
      # 14252308
      Cadillac Seville 2003, Electronic to Passive Conversion Kit by Suncore®. Quantity: Sold as a Kit. This is a Low Cost Alternative to OEM active electronic Shocks. This kit will convert your vehicle from Active Electronic Air Shocks to...
      $119.34 - $579.99
    • (0 reviews)
      # 377129959
      Cadillac Seville 2003, HPR™ Panel Red Air Filter by Spectre Performance®. Spectre’s High Performance Replacement Air Filters are engineered to outperform ordinary paper filters by providing increased air flow for improved...
      High performance and high air flow filterFilter media is non-woven synthetic and pre-dyed
      $18.91
    • (0 reviews)
      # mpn4479686648
      Dynamics Module by AEM®. The AEM Vehicle Dynamics Module (VDM) is an AEMnet CANbus enabled device with an on-board 3-axis accelerometer, 3-axis gyrometer and 5Hz GPS + GLONASS that provides pinpoint position accuracy. The VDM’s GPS +...
      GPS latitude & longitude delivers AEMdata track map functionality via AEMnet CANbusEasily Add GPS, lateral G, altitude, pitch and roll data to engine data logs!
      $375.00
    • (0 reviews)
      # 789692047
      Cadillac Seville 2003, Hypereutectic Coated Piston by Silv-O-Lite®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $62.73 - $426.15
    • (0 reviews)
      # 723876069
      Radiator Cap by Billet Specialties®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and...
      Designed with the latest innovationsMade to ensure a high level of quality
      $19.95 - $29.95
    • (0 reviews)
      # 693568377
      Cadillac Seville 2003, Racing 10" Sprangless Torque Converter by Transmission Specialties®. Diameter: 10". Horse Power Rating: 1400+. This Transmission Specialties converter simply loves power and is amazingly efficient in high...
      Most efficient torque converter on the marketSpragless converter for unsurpassed durability
      $1,356.60 - $1,573.66
    • (0 reviews)
      # 710241193
      Cadillac Seville 2003, Performer EFI Dry Nitrous System by Edelbrock®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      High quality at an affordable priceExpertly made from premium materials
      $765.95 - $890.95
    • (0 reviews)
      # 826434100
      Cadillac Seville 2003, Distributor Advancer Lockdown Plate by Champ Pans®. Designed utilizing the latest technology, this product by Champ Pans features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2.53 - $2.90
    • (0 reviews)
      # 964212602
      Cadillac Seville 2003, High Performance P-Series Saginaw Power Steering Pump by PSC Motorsports®. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this...
      Reliable solution for your steering needsDesigned with functionality in mind
      $185.85 - $223.91
    • (0 reviews)
      # 985212620
      Universal Carbon Fiber Advanced 12V AGM Battery by Braille Battery®. Battery Type: AGM. Voltage: 12V. Sealed Valve Regulated Design - Completely eliminates acid spills and corrosion on terminals. Environmentally safe and does not need...
      Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design
      $324.99 - $374.99
    • (0 reviews)
      # mpn4517285639
      Cadillac Seville 2003, Front Front CV Axle Assembly by Heri®. Offers close to 100% application coverage with premium-quality 100% New Constant Velocity Drive Axles throughout the North American aftermarket. CV joints are new to ensure...
      Precision rolled threads and splines for hassle-free installationBearings, races & housing heat treated to original equipment or better specifications for long life
      $46.24
    • (0 reviews)
      # 69025922
      110 Series Single Layer Racing Suit by RaceQuip®. Avaliable in Colors: Black, Blue, Red. Get superior durability and comfort combined with overall flame and heat protection. Strong construction and advanced sewing techniques make this...
      Ensures heat and fire protectionGentle fabric provides superior comfort
      $99.95 - $139.95
    • (0 reviews)
      # mpn1058896
      Cadillac Seville with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2...
      $260.21




    CARiD is the ultimate source for premium-quality performance parts. With our extensive collection of performance upgrades, adding onto your vehicle's performance or improving its look is safe and easy. Boost the interior of your 2003 Cadillac Seville with a set of racing seats, raise or lower your vehicle for an aggressive look, or add a set of high-performance brake rotors for superior braking. Unlock the hidden potential of your 2003 Cadillac Seville that has been waiting to be released!

    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Suspension Parts
      July 11, 2018
      When Is It Time To Replace My Suspension Bushings?
      Maybe you remember being pushed along in a wheelbarrow during childhood. The ride was bone-jarring - even with an air-filled rubber tire cushioning against the rough...
      by Timothy Zahl
    • Engine Parts
      May 21, 2018
      How To Remove An Engine
      If you've grown tired of your engine's declining performance, inconsistent power, rough idle, exhaust smoke, knocking noises, rattles, and other maladies that plague...
      by Richard Reina
    • Engine Parts
      May 09, 2018
      How Does An Internal Combustion Engine Work?
      An engine that uses liquid fuel to create energy, such as an internal combustion engine, is basically a large air pump. Cool air is drawn in, mixed with the fuel of...
      by Timothy Zahl
    • Engine Parts
      May 02, 2018
      Glossary Of Engine External Parts
      Internal combustion engines are extremely complex and feature a wide array of components that rotate, pump, pressurize, or seal. Many of these components, while...
      by Timothy Zahl
    • Performance Engine Parts
      April 20, 2018
      What You Need When Rebuilding Or Replacing An...
      So you’ve decided to take on the project of rebuilding or replacing your vehicle’s engine. Modern internal combustion engines are quite complex – with a wide...
      by Richard Reina
    • Shift Knobs
      January 19, 2018
      Shopping Guide – Shift Knobs
      The knob at the end of your gearshift lever probably isn't something that most people notice when getting into your car or truck. But for a minimal cost, it can be. We...
      by Timothy Zahl
    • Running Boards
      November 29, 2017
      Shopping Guide - Running Boards
      Running boards date as far back as the automobile itself, being integrated into car and truck designs until falling out of favor after World War II. With the boom in...
      by Timothy Zahl
    • Off-Road Bumpers
      November 28, 2017
      Shopping Guide – Off Road Bumpers | Custom...
      There's a saying that advises out of all the paths you take in life, it's important to make sure a few of them are dirt. But while dirt can be found most anywhere you...
      by Timothy Zahl
    • Automotive Tools
      August 30, 2017
      What Special Tools Are Available For Exhaust...
      Exhaust work can be challenging. Old parts are usually corroded and difficult to separate, and new ones sometimes need minor fitment adjustments during installation....
      by Timothy Zahl
    • Automotive Tools
      August 24, 2017
      What Special Tools Are Available For Fuel...
      Maintenance and repair work on fuel systems must be done with precision, no matter what part of it you're working on. Tools specifically designed for use on fuel...
      by Timothy Zahl
    • Automotive Tools
      July 12, 2017
      What Special Tools Are Available For Driveline...
      The expression "heat and beat" applies to a lot of driveline repairs, meaning worn parts are often so difficult to separate that one must use a blowtorch and great...
      by Michael Grayen
    • Batteries & Power
      May 22, 2017
      High-End Audio Demands Its Own Battery Source
      When you're driving and headlights start to dim because a high-powered stereo is cranking, that means the deep bass you hear is causing total vehicle electrical draw...
      by Timothy Zahl

    Popular Products

    2003 Cadillac Seville Performance Parts Reviews

    Average rating:  4.5  4.5 - 4 reviews
    3.5 of 5
    It Was To Small
    It was to small had to take it get fitted and cut down.
    Posted by Charles Barber (Cape Girardeau, MO) / March 13, 20182007 Chevy Avalanche
    Was this review helpful for you? Yes
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