2003 Buick Regal Performance Parts

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    • (0 reviews)
      # mpn1113471
      Buick Regal with LEV1 Standard / with ULEV Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic...
      $705.91
    • (0 reviews)
      # 62001862
      Buick Regal 2003, 1-Click Street Warrior Z26 Drilled and Slotted Brake Kit by Power Stop®. Specially designed for high performance street drivers who demand shorter stops under the most extreme conditions, this brake kit is a perfect...
      $133.47 - $481.96
    • (0 reviews)
      # 17798910
      Buick Regal 2003, AGX™ Driver or Passenger Side Strut by KYB®. Quantity: 1 per Pack. Whether you simply drive in town or prefer a firm, aggressive ride all the time, AGX Shocks and Struts by KYB are a great choice. These twin-tube...
      $121.36 - $124.60
    • (0 reviews)
      # 377123188
      Buick Regal 2003, Stealth Dragon Aluminum Flat Black Short Ram Air Intake System by Weapon-R®. The Secret Weapon Intake was designed, to increase air intake volume to the engine. The concept is to create two different air velocity...
      CAD-designed and flow bench testedHigh quality dense poly urethane foam protection
      $191.25
    • (1 review)
      # 358203226
      Buick Regal 2003, Max Energy Programmer by Hypertech®. The Max Energy Programmer series provides high levels of power and economy for gasoline engines, with specific tuning applications geared for regular unleaded gasoline and E-85 Flex...
      Designed for enhanced engine performanceOffers excellent fuel economy
      $329.00
    • (0 reviews)
      # mpn4498473091
      Buick Regal 2003, Engine Mount Kit by Advance Adapters®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $174.49
    • (4 reviews)
      # 515790350
      Buick Regal 2003, Thermocap™ Radiator Cap by Mr. Gasket®. Pressure: 16 lbs. Material: Aluminum. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether it’s a simple,...
      Brilliant triple-chrome platingPrevent boilovers
      +1
      $32.43 - $37.53
    • (0 reviews)
      # mpn359115840
      Buick Regal 2003, The Wheel™ Flexplate by J.W. Performance®. Teeth Quantity: 160. The BEST! Flexplate available for your engine PERIOD! Made from O. 188" thick Chromoly steel with a hand fitted and welded ring gear, these flexplates...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $269.87
    • (3 reviews)
      # mpn1953525
      Buick Regal 2003, OEM In-Line Fuel Catalyst by Fitch® Fuel Catalyst. Get improved performance and reduced emissions with the Fitch Fuel Catalyst! Unlike expensive additives that must be continually replenished, you purchase this product...
      Increases fuel economyIncreases horsepower and torque for improved performance
      $215.55
    • (0 reviews)
      # mpn1442974
      Buick Regal 2003, Blaster™ 2-Tower Direct Ignition Coil by MSD®. Direct Connection. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $50.32
    • (0 reviews)
      # 703493319
      Buick Regal 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 kit...
      Reliable solution for your steering needsDesigned with functionality in mind
      $442.72
    • (0 reviews)
      # 1120474992
      Buick Regal 2003, Gear Reduction Starter by Tuff Stuff Performance®. Mounting: 1 Long and 1 Short Bolt. Tuff Stuff starters are hand made from premium quality new components - not remanufactured - and are quality built in USA. Most Gear...
      Designed For High Horsepower And High Compression EnginesLighter And Smaller Than OE Starters
      $134.54 - $171.44
    • (0 reviews)
      # 1187995665
      Buick Regal 2003, 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 OE quality...
      Precision rolled threads and splines for hassle-free installationBearings, races & housing heat treated to original equipment or better specifications for long life
      $41.70 - $49.78
    • (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)
      # mpn4494136028
      Buick Regal GS Sedan 2003, Racing 3-1 304 SS Long Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Silver. Header Style: Long Tube. This product is made of...
      High quality at an affordable priceExpertly made from premium materials
      $337.50
    • (0 reviews)
      # 188078160
      Buick Regal 2003, 1-Click Z23 Evolution Sport Drilled and Slotted 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 are used in...
      $197.89 - $446.19
    • (0 reviews)
      # 981869290
      Buick Regal 2003, Complete Suspension Packages by BMR Suspension®. Quantity: Sold as a Kit. Stock stamped steel control arms with soft rubber bushings deflect under load and absorb power instead of transferring it to the tires. BMR's...
      Adjustable and non-adjustable control armsHigh-durometer internally fluted polyurethane greasable bushings
      $839.00
    • (13 reviews)
      # 377123182
      Buick Regal 2003, Secret Weapon Aluminum Polished Short Ram Air Intake System by Weapon-R®. The Secret Weapon Air Intake System uses patented technology to feed the engine 3 times as much air as other systems. As a result, engine...
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $212.50
    • (0 reviews)
      # mpn4478770747
      Buick Regal LS 2003, V-Force Plus Performance Module by JET®. The JET V-Force Plus features the same power tuning technology found in JET’s performance modules/programmers. The JET V-Force Plus is an inline tuning device that uses a...
      Improve horsepower and throttle responseOptimized ignition advance curves
      $274.46
    • (0 reviews)
      # mpn4495911376
      Buick Regal 2003, Engine Mount by Advance Adapters®. 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $125.60
    • (0 reviews)
      # mpn1581287
      Buick Regal LS 2003, Thermostat by JET®. Temperature: 180 Degree. Jet Low-Temp Thermostats increase horsepower and control engine temp by consistently metering water flow throughout the engine instead of simply cycling open/close, which...
      Designed to reduce engine temperature and produce more horsepowerMade from stainless steel
      $14.96
    • (2 reviews)
      # 605983488
      Buick Regal 2003, High Performance Transmission Oil Cooler Kit by Hayden®. Featuring a lightweight aluminum construction, this high performance transmission oil cooler is designed to provide outstanding cooling, as well as complement...
      SAE 45 degree fittings for maximum reliabilityElectrostatically powder coated to prevent corrosion
      $37.65 - $47.10
    • (0 reviews)
      # mpn457938324
      Buick Regal 1 Engine VIN Character 2003, Fuel Rails by Aeromotive®. 1 Pair. 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...
      ORB-08 Ports with compact connections and positive, leak-free sealingFull 5/8" ID through bore, capable of supporting up to 3,000 HP
      $270.86
    • (0 reviews)
      # mpn4511855796
      Buick Regal 2003, Iridium Spark Plugs by Autolite®. These spark plugs are one of the brand's most technologically advanced spark plugs ever. With an iridium-enhanced 0.6 mm finewire design and proprietary platinum sidewire technology,...
      Iridium-enhanced center electrodePatented, platinum sidewire technology
      $6.48
    • (0 reviews)
      # mpn3800683530
      Buick Regal 2003, Front Inner Straight Tie Rod End by Proforged®. Quantity: 1 per Pack. Proforged® applied the same technological advancements in ball joint construction to their line of Tie Rod Ends and Rack Ends, delivering a premium...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $28.76
    • (0 reviews)
      # mpn4487510606
      Buick Regal 2003, Alternator Pulley by Billet Specialties®. Finish: Polished. Designed utilizing the latest technology, this product by Billet Specialties features premium quality and will perform better than advertised. Perfect for...
      High quality at an affordable priceExpertly made from premium materials
      $26.95
    • (0 reviews)
      # mpn3785030008
      Buick Regal 2003, Front Unit Bearing by Yukon Gear & Axle®. Yukon Gear and Axle offers an extensive line of general replacement and high performance products for passenger car, truck and SUV applications. High quality alloys and the...
      Designed to provide the ultimate in gearing to put all that power to the ground realiablyWill help you get astounding performance for extreme four-wheeling and rock crawling
      $142.31
    • (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)
      # mpn1118907
      Buick Regal 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: 2.5"....
      $226.64




    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 Buick Regal 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 Buick Regal that has been waiting to be released!

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    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

    • Performance Brakes, Pads & Rotors
      August 10, 2018
      When Is It Time To Replace My Brake Lines?
      Hydraulic brake lines and hoses aren’t something most people think about when it comes to vehicle maintenance. That’s understandable, considering automakers...
      by Michael Grayen
    • Performance Brakes, Pads & Rotors
      August 09, 2018
      When Is It Time To Replace My Brake Calipers?
      Brake calipers, found only on disc brake systems, house pistons which use the force of hydraulic brake fluid to stop the vehicle. More specifically, those pistons...
      by Timothy Zahl
    • Suspension
      August 08, 2018
      When Is It Time To Replace My Vehicle's Springs?
      The springs on your vehicle are an integral part of its suspension system. Not only do springs keep all four corners suspended at a pre-determined, level ride height,...
      by Richard Reina
    • Suspension
      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
    • Engines
      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
    • Engines
      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
    • Engines
      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

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    2003 Buick Regal Performance Parts Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Powerstop
    The product came very quickly! Looks amazing! Works awesomely!
    Posted by Kyle Tate (Garnett, KS) / March 16, 20161999 Buick Regal
    Was this review helpful for you? Yes
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