2003 Chevy Trailblazer Performance Parts

Show items:
Sort by:
    • (0 reviews)
      # 772639907
      Chevy Trailblazer EXT 2003, Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter will...
      $369.72 - $728.79
    • (0 reviews)
      # 125130185
      Chevy Trailblazer / Trailblazer EXT 2003, 1-Click Street Warrior Z26 Drilled and Slotted Rear Brake Kit by Power Stop®. Specially designed for high performance street drivers who demand shorter stops under the most extreme conditions,...
      $211.74 - $297.02
    • (0 reviews)
      # 672532774
      Chevy Trailblazer 2003, Rear Air to Coil Conversion Kit by Arnott®. Quantity: Sold as a Kit. Arnott has revolutionized the industry once again with our exclusive conversion kit. Elite coil spring kit delivers a seamless and error-free...
      $152.15
    • (1 review)
      # 377129544
      Chevy Trailblazer / Trailblazer EXT 4.2L 2003, 77 Series High-Flow Performance Aluminum Polished Cold Air Intake System by K&N®. The K&N high-flow performance air intake system is a free-flowing, mandrel-bent aluminum tube air induction...
      $335.99
    • (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)
      # 41036063
      Chevy Trailblazer / Trailblazer EXT 4.2L 2003, Performance Module by JET®. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel ratio, ignition advance and various...
      Provide Performance Gains Up To 25 Horse PowerEasily Installed In Less Than 30 Minutes
      $242.96 - $250.46
    • (0 reviews)
      # 839865248
      Chevy Trailblazer EXT 5.3L With Chevy Small Block 2003, Motor Plate by Competition Engineering®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Provides a solid connection between the transmission and the chassisEliminates torsional chassis stress, block twisting, and broken transmission cases
      $153.62 - $198.81
    • (4 reviews)
      # 515782614
      Chevy Trailblazer / Trailblazer EXT 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...
      Brilliant triple-chrome platingPrevent boilovers
      +1
      $32.43 - $37.53
    • (0 reviews)
      # 87532374
      Chevy Trailblazer 2003, Breakaway Torque Converter by TCI®. Lock-Up. The first step into serious high performance, the Breakaway® is a great torque converter for moderately modified street machines and weekend racers that are also used...
      1,000+ RPM increase in stall over stockHarder launches and quicker acceleration
      $450.83 - $477.50
    • (0 reviews)
      # 955001749
      Chevy Trailblazer EXT 5.3L Small Block Chevy Engine 2003, Velocity 4-Bolt Throttle Body by TSP®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed for ultra high efficiencyProvides better performance
      $142.35
    • (1 review)
      # 1199042958
      Chevy Trailblazer 2003, Iridium Spark Plugs by Autolite®. With Resistor. OE Style. 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...
      Iridium-enhanced center electrodePatented, platinum sidewire technology
      $6.48 - $6.66
    • (0 reviews)
      # 964224694
      Chevy Trailblazer / Trailblazer EXT 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...
      Reliable solution for your steering needsDesigned with functionality in mind
      $442.72
    • (0 reviews)
      # 216730321
      Chevy Trailblazer EXT 5.3L with Chevy Small Block Gen III/IV LS-based Engine 2003, Alternator by Billet Specialties®. Current: 140 Amp.
      CNC machined billet aluminum housing140 Amp 1-wire hook-up
      $525.00 - $595.00
    • (0 reviews)
      # 68507628
      Chevy Trailblazer 2003, Rear Axle Shaft 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
      $190.72 - $283.08
    • (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)
      # mpn1136917
      Chevy Trailblazer with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gasket. Catalytic Converter Overall Length: 47.25". If your car...
      Reduces harmful emissionsExact replacement with little or no fabrication or modifications required
      $417.55
    • (0 reviews)
      # 188084631
      Chevy Trailblazer 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...
      $292.25 - $651.65
    • (0 reviews)
      # 917033804
      Chevy Trailblazer 2003, B8 5100 Series Front Driver or Passenger Side Monotube Snap Ring Grooved Body Ride Height Adjustable Strut by Bilstein®. Quantity: 1 per Pack. Bilstein B8 5100 shock absorbers are designed as a direct fit...
      $137.24
    • (0 reviews)
      # 377129528
      Chevy Trailblazer 2003, 57 Series FIPK Generation II High-Density Polyethylene Black Cold Air Intake System by K&N®. This kit improves airflow into your engine. It includes a K&N air filter and a custom designed air intake tube. The K&N...
      $315.99 - $335.99
    • (0 reviews)
      # 1014006816
      Chevy Trailblazer EXT 5.3L 2003, Super Tuner by Accel®. ACCEL's all-new SuperTuners boost power across your engine's entire rpm range. These revolutionary handheld tuners quickly and easily reprogram your vehicle for better all-around...
      Performance Tuning Across Entire RPM RangeCalibrate Speedometer Odometer And Shift Points
      $216.11 - $299.95
    • (0 reviews)
      # 656264275
      Chevy Trailblazer EXT 5.3L 2003, Motor Mount Adapter Plates by TSP®. 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 for ultra high efficiencyProvides better performance
      $28.05
    • (0 reviews)
      # 566359290
      Chevy Trailblazer EXT 5.3L 2003, 300 Series High Flow Electric Water Pump by Meziere Enterprises®. Flow Rate: 55 GPM. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by...
      Suitable for street or drag strip use – 3000+ hour life expectancyHigh flow design provides 55 gallons per minute free flow rating
      +3
      $451.00 - $932.49
    • (0 reviews)
      # 148930275
      Chevy Trailblazer / Trailblazer EXT 2003, Bolt Together Torque Converter by TCI®. Triple Disc. These high-stall torque converters feature woven-carbon friction and lock-up control technology which seamlessly applies the clutch. Each one...
      CNC-machined, bolt-together design allows for DIY maintenance & upgradesWoven-carbon friction can handle most punishing applications
      $947.76
    • (0 reviews)
      # 906650993
      Chevy Trailblazer EXT 5.3L 2003, Edelbrock DBC Throttle Body by PSI®. 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...
      Designed for ultra high efficiencyEasy out-of-the-car access for an ancillary wiring
      $390.00 - $500.00
    • (1 review)
      # 803875320
      Chevy Trailblazer / Trailblazer EXT 2003, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plugs. Designed specifically for most popular vehicles, PlasmaCore™ Inconel...
      Increased horsepowerBetter torque
      $14.95 - $89.70
    • (0 reviews)
      # 357927872
      Chevy Trailblazer / Trailblazer EXT 2003, Front Outer Bent 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,...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $66.52 - $69.23
    • (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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $149.99 - $229.99
    • (0 reviews)
      # 1029077550
      Chevy Trailblazer with 30 Spline with 2.73 and Up Gear Ratio with GM 8.6" Series Axle with 10 Bolt 2003, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a selectable traction...
      Expertly crafted from superior materialsProvides exceptional reliability
      $821.30
    • (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)
      # mpn1094456
      Chevy Trailblazer 2003, MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust System Sound:...
      $921.58




    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 Trailblazer 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 Trailblazer that has been waiting to be released!


    • Add Power to Your Jeep
      Fuel Up Your Success
    • Take Your Braking to a New Level
    • When the Best Gets Better
      The Performance & Sound to Thrill

    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
    • Starting & Charging
      August 03, 2018
      When Is It Time To Replace My Alternator?
      Bolted to an engine block and powered by a belt-driven pulley, an alternator is in motion whenever the engine is running. Essentially, a vehicle's battery is tasked...
      by Michael Grayen
    • Performance 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
    • 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

    Popular Products

    2003 Chevy Trailblazer Performance Parts Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    2003 Trailblazer
    Nice and quiet installed in 30 min with new direct fit muffler. It fits perfectly, a good choice for the do it yourself and save 500.00.
    Posted by Kevin Prelwitz (Wyoming, MI) / March 29, 20162003 Chevy Trailblazer
    Was this review helpful for you? Yes
    2003 Chevy Trailblazer Models
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING