2003 Chevy Express Performance Parts

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    • (0 reviews)
      # 22201871
      Chevy Express with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the...
      $634.14 - $988.45
    • (0 reviews)
      # 188089526
      Chevy Express 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...
      $286.11 - $625.52
    • (0 reviews)
      # 821205301
      Chevy Express 2003, Air Spring Kit by Air Lift®. Set of two adjustable secondary air helper springs designed to add up to 5,000 pounds of leveling capacity for vehicles with leaf springs. Spring add ride comfort and restores proper...
      Both helper air springs add up to 5,000 pounds of leveling capacity per axleDesigned for heavier duty applications such as mobile homes, 1-ton pickup trucks, and commercial fleet vehicles
      $474.65
    • (0 reviews)
      # 229355387
      Chevy Cargo Van / Express 4.3L with Vortec Cylinder Head with 4-barrel square bore Carburetor Mounting with GM V6 Engine 2003, Performer™ Dual Plane Intake Manifold by Edelbrock®. This premium product is the best way to go for those...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $296.95 - $530.95
    • (0 reviews)
      # mpn4478770120
      Chevy Cargo Van / Express 2003, BDX Programmer by Bully Dog®. Supports Custom Tuning. Bully Dog’s new BDX hand-held performance tuner gives drivers the edge they need, whether tackling tough terrain, pulling a heavy payload or...
      On-Screen Digital DisplayHolds Up To 20 Custom Tunes
      $399.00
    • (0 reviews)
      # 1093487585
      Chevy Express 6.0L 2003, Powerstorm Pro Series Short Block by Livernois Motorsports®. These products are built using the same standards and quality as any Livernois product but with parts and service options more geared around value....
      High quality at an affordable priceExpertly made from premium materials
      $6,831.99
    • (3 reviews)
      # 102073181
      Chevy Express 1500 / 3500 2003, Thermocap™ Radiator Cap by Mr. Gasket®. OEM Replacement. With Thermometer Built In. 16 PSI. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories....
      Brilliant triple-chrome platingPrevent boilovers
      +1
      $32.43 - $37.53
    • (2 reviews)
      # 693576402
      Chevy Express 2003, Street and Strip Automatic Transmission Assembly by B&M®. It is a complete ready-to-run unit for high performance street and mild strip use. The transmission provides firm shifts and features a standard shift pattern.
      Rebuilt front pumpAll new B&M high performance friction plates
      $2,138.93 - $2,352.93
    • (1 review)
      # mpn1598137
      Chevy Express 4.8L / 5.3L / 6.0L 2003, Powr-Flo™ Throttle Body by JET®. The JET Powr-Flo Throttle Body is a direct replacement for the factory unit. It can be used to replace a worn out throttle body or to upgrade the existing...
      Modified air inlet to improve air flow and Throttle responseUnique Design increases air velocity to the intake manifold
      $369.71
    • (0 reviews)
      # mpn2268080
      Chevy Express 4.3L 2003 Extreme 9000™ Spark Plug Wire Set by Accel®. Accel Extreme 9000 Ceramic Boot Wires feature ultra high-temperature, double silicone, 8mm, 500 ohms/ft. Ferro-Spiral core wire developed for performance use. The...
      8 mm Ferro-Spiral Core WireCeramic Boots
      $120.95
    • (0 reviews)
      # mpn3800683649
      Chevy Express 2500 / 3500 2003, Front Idler Arm by Proforged®. Quantity: 1 per Pack. Proforged® Idler Arms are built to strict tolerances using the latest innovations in steering technology, ensuring crisp, predictable handling....
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $58.27
    • (0 reviews)
      # 714523469
      Chevy Express 2003, Alternator by Tuff Stuff Performance®. Pulley Type: With 6-Groove. OEM Wire.
      Heavy Duty Copper Wound CoilsSpike Resistant Diodes
      $265.67 - $366.85
    • (0 reviews)
      # 68482750
      Chevy Express 2003, Rear Axle Shaft Kit by Yukon Gear & Axle®. Yukon Gear and Axle offers an extensive line of general replacement and high performance axles for passenger car, truck and SUV applications. High quality alloys and the...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $198.38 - $341.68
    • (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)
      # 1022432078
      Chevy Express 2003, Exhaust Headers by Advance Adapters®. Emissions: EPA compliant. 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...
      $236.62 - $287.35
    • (0 reviews)
      # 47982232
      Chevy Express 2003, Stage 5 Super Street Dimpled and Slotted Brake Kit by EBC®. The EBC Stage 5 SuperStreet Brake Kit is designed for those looking for heavy-duty high gripping pads and rotors. Thanks to the 4000 Series Yellowstuff...
      $344.19 - $537.57
    • (0 reviews)
      # 98075295
      Chevy Express 2003, MonoMax™ Rear Driver or Passenger Side Shock Absorber by KYB®. Quantity: 1 per Pack. Tough conditions demand tough truck shocks. The large bore KYB MonoMax provides the additional stability that heavier, more...
      $60.73 - $61.92
    • (0 reviews)
      # 377113810
      Chevy Express 2003, E Series Round 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 filters...
      Designed to boost horsepower and rate of accelerationCan be cleaned and used again
      $85.99
    • (5 reviews)
      # 1014002826
      Chevy Express 4.8L / 5.3L / 6.0L 2003, GT Platinum Programmer by Bully Dog®. The GT Platinum is four products in one: a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the...
      Four products in one remarkable unitInstallation is extremely easy and takes no more than 20 minutes
      $429.00
    • (0 reviews)
      # 557554572
      Chevy Express 6.0L Chevy Small Block Gen III/IV (LS-based engines) 2003, LS Next Cast Iron Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme...
      Dart’s LS Next block is cast in the USA with premium cast iron alloyConventional style 4-bolt steel main caps with 7/16” bolts are used
      $2,716.30
    • (0 reviews)
      # mpn1711339
      Chevy Express 4.3L 2003, Lo-Profile Direct Fit Single Electric Fan by Flex-a-Lite®. With Adjustable Thermostat Controller. Diameter: 12 1/8". Size: 15" x 13 1/2" x 2 5/8". Keep your engine cool and free up some extra horsepower and...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $208.34
    • (0 reviews)
      # 148938049
      Chevy Express 2003, Saturday Night Special Torque Converter by TCI®. Lock-Up. The popular Saturday Night Special® Torque Converter delivers premium performance at a reasonable cost. A great choice for show cars and street rods, this...
      400-500 RPM increase in stall over stockQuicker acceleration and improved low end power to run more smoothly
      $408.55 - $548.97
    • (1 review)
      # 1080192331
      Chevy Express Up to 300 HP 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...
      Increases fuel economyIncreases horsepower and torque for improved performance
      $215.55
    • (0 reviews)
      # 1198976402
      Chevy Express 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)
      # 357917692
      Chevy Cargo Van / Express 2003, Front Inner Straight Tie Rod End by Proforged®. Quantity: 2 per Pack. Proforged® applied the same technological advancements in ball joint construction to their line of Tie Rod Ends and Rack Ends,...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $39.56 - $41.77
    • (0 reviews)
      # 842285625
      Chevy Express with Small Block with Long Water Pump 2003, Alternator Bracket by BTP®. Finish: Polished Aluminum. This premium part by BTP helps the starting and charging system of your vehicle to provide the energy needed for the engine...
      Engineered to help your starting and charging system operate at its maximumMade from superior materials
      $47.37
    • (0 reviews)
      # 503470364
      Chevy Express with Thick Type High Offset Gearset with Full-Float Axle with GM 10.5" Series Axle with 4.10 and Down Gear Ratio 2003, Air Locker by ARB®. Air locker locking differentials allow you to tackle the toughest terrain. The...
      Differential CaseFlange Cap Assembly
      $997.50
    • (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)
      # 1022319120
      Chevy Express 2003, Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is...
      +1
      $255.91 - $556.88




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    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 Chevy Express 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 Chevy Express that has been waiting to be released!

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    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

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    2003 Chevy Express 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.
    CPosted by Charles Barber (Cape Girardeau, MO) / March 13, 20182007 Chevy Avalanche
    Was this review helpful for you? Yes
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