2003 Hummer H1 Performance Parts

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    • (0 reviews)
      # 865877560
      Universal 304 SS Oval Turbo Chambered Exhaust Muffler by Stainless Works®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of mufflers with...
      $175.75 - $180.50
    • (0 reviews)
      # 48005952
      Hummer H1 2003, Stage 5 Super Street Dimpled and Slotted Front 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...
      $406.58 - $474.53
    • (0 reviews)
      # 212670845
      Hummer H1 2003, Front Ball Joint Dust Boots by Energy Suspension®. Energy Suspension offers replacement dust boots for torsion bars, tie rod ends, and ball joints to prevent oil based contaminants and other unwanted corrosive grit from...
      Dust boot sets are available for left/right-side ball joints, inner tie rod ends, and torsion barsReplace worn or damaged boots without having to buy an entire new part from the vehicle manufacturer
      $30.82
    • (0 reviews)
      # 377187155
      Hummer H1 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 for...
      Designed to boost horsepower and rate of accelerationCan be cleaned and used again
      $159.99
    • (0 reviews)
      # mpn4478771495
      Hummer H1 2003, PCS Simple Shift Hand Tuner with Cable by ATI Performance®. Get this top-of-the-line product thoroughly engineered to boost performance and unlock the full potential of your vehicle. Made with care and professionalism,...
      Designed for enhanced engine performanceOffers excellent fuel economy
      $411.18
    • (0 reviews)
      # mpn1899212
      Hummer H1 2003, Premium Wrench-Off Oil Filter by K&N®. Originally developed for demanding race applications, K&N's Premium Wrench-Off Oil Filter has become a favorite among consumers for its durability and easy removal. Most of our...
      1-in. nut welded to canister to facilitate removalThicker canister walls for strength and durability
      $14.49
    • (1 review)
      # mpn2930418
      Hummer H1 2003, Rapid-Cool™ Universal Fit Reversible Fan Kit by Hayden®. Diameter: 12". Current Draw: 8.8. 2 3/4" Depth. This product can be used for either primary or add-on cooling. The Hayden Rapid-Cool fan features a thin,...
      Reversible push/pull operationThin, aerodynamic profile for applications with limited space
      $57.32
    • (0 reviews)
      # mpn2312008228
      Hummer H1 2003, Max-Cool™ Automatic Transmission Pan by TCI®. Depth: Deep. Capacity Increase: 4.5 Quarts. Material: Powder Coated Cast Aluminum. Designed utilizing the latest technology, this product by TCI features premium quality...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $423.07
    • (0 reviews)
      # 524779825
      Hummer H1 2003, Dedicated EFI Fuel System by Nitrous Outlet®. 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 needs...
      Custom Built1 Gallon Fuel Cell
      $828.00 - $1,277.08
    • (0 reviews)
      # 1427711642
      Hummer H1 2003, Coil-Near-Plug Connector Kit by Granatelli Motor Sports®. With High Performance Coils. This superior ignition coil is painstakingly designed to improve spark energy and provide ultra high efficiency. Engineered with...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $220.40 - $258.40
    • (0 reviews)
      # 644854864
      Hummer H1 2003, Center Link by PPE®. Quantity: 1 per Pack. 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 high-grade steering part that is engineered...
      Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle
      $422.99 - $449.99
    • (0 reviews)
      # 1365049951
      Hummer H1 2003, CS144 Alternator by Powermaster®. Pulley Type: With 6-Groove Pulley/Baffle. Designed utilizing the latest technology, this product by Powermaster features premium quality and will perform better than advertised. Perfect...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $343.03 - $464.06
    • (0 reviews)
      # 503629250
      Hummer H1 with 3.08 and Up Gear Ratio with AMC 20 Series Axle 2003, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and...
      Quiet operationComputer controlled heat treatment
      $301.22 - $352.82
    • (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)
      # 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)
      # 865804572
      Universal 304 SS Oval Turbo S-Tube Exhaust Muffler by Stainless Works®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Aggressive / Loud. Muffler Structure: Turbo. Stainless Works is the only manufacturer to build...
      $175.75 - $180.50
    • (0 reviews)
      # 639733550
      Hummer H1 without 12100 lbs. GVW 2003, USR BlackDash Series Sport Slotted Vented 1-Piece Brake Rotors by EBC®. These replacement brake rotors feature multiple slots in a narrow, more angled pattern to create a quieter running surface...
      $142.71
    • (0 reviews)
      # 11077885
      Hummer H1 2003, Control Arm Bushings by Energy Suspension®. Energy Suspension lets you upgrade worn and crumbling rubber bushings that dampen vibrations at mounting points for front upper and lower control arms, rear upper and lower...
      High-density polyurethane construction provides a superior cushioning effect and resists drying up and crumbling the way rubber mounts canHigher strength of polyurethane bushings reduces wheel hop and shifting of leaf springs under high torque conditions
      $84.64
    • (7 reviews)
      # 761133373
      Intake Ram Air Kit by Weapon-R®. If you’re hungry for more power, performance and torque, this top-of-the-line intake system is sure to blow you away. This high-flow design of this premium intake allows your engine work more...
      Brings a cold intake charge to the engineComputer designed
      $57.12
    • (0 reviews)
      # mpn4563968666
      Hummer H1 2003, TCI EZ-TCU™ Overdrive Transmission Controller by Fast®. Includes: Trans Control Unit, Hand-Held Display, OEM-Quality Wiring Harness. This top-of-the-line product is engineered to ensure excellent driving performance...
      Ensures outstanding driving performanceMade to provide fuel economy
      $662.98
    • (0 reviews)
      # mpn1904644
      Hummer H1 2003, Pro Series Premium Oil Filter by K&N®. Originally developed for demanding race applications, K&N's Premium Wrench-Off Oil Filter has become a favorite among consumers for its durability and easy removal. Most of our...
      High flow rates with reduced filter restrictionHigh capacity filter media allows for extended change intervals
      $8.57
    • (0 reviews)
      # mpn4514923163
      Hummer H1 2003, Engine Water Pump by Eastern Industries®. 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...
      Original Equipment QualityContinuous Improvement
      $76.40
    • (0 reviews)
      # mpn4488055625
      Hummer H1 2003, Deep Aluminum Pan Kit by FTI®. With Hardware. FTI Offers a wide variety of 4L80E and 4L85E Parts including high performance input drums, output shafts and planetary gears. FTI Offers a wide variety of performance...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $180.25
    • (0 reviews)
      # mpn4476942125
      Hummer H1 2003, Drive-By-Wire Wet Nitrous Kit by NOS®. A great complement to NOS's cutting-edge nitrous kits, this one is great for vehicles where NOS application-specific kit is not available. Designed to work on sequential firing,...
      Exclusive NOS "Soft-Plume" Fogger nozzle finely atomizes the fuel for superior nitrous and fuel distributionIncludes the world-famous NOS 10 lb "blue bottle"
      $876.95
    • (0 reviews)
      # 803904898
      Super Fire Racing Iridium Spark Plug by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable ignition for...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $23.47 - $28.91
    • (0 reviews)
      # 371187141
      Hummer H1 2003, Tie Rod Sleeve by PPE®. 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 high-grade steering part that is engineered to be second to...
      Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle
      $71.99 - $89.99
    • (0 reviews)
      # mpn4562771696
      Hummer H1 2003, XS Volt™ CS144 Alternator by Powermaster®. Current: 200 Amp. Pulley Type: With 6-Groove Pulley/Baffle. Finish: Polished. Designed utilizing the latest technology, this product by Powermaster features premium quality...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $484.72
    • (0 reviews)
      # mpn4517170082
      Hummer H1 with 29 Spline with Open Differential with AMC 20 Series Axle 2003, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $422.68
    • (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
    • (1 review)
      # mpn4235687757
      Universal Aluminum Skull Form Exhaust Tip by Vintage Parts®. Tip Inlet Diameter: 2.5". Tip Outlet Size: 3" H x 8.75" W. Skull exhaust cover is bad to the bone! Great as a truck or hot rod accessory, even better on your Harley! Made from...
      Made of Cast AluminumDimensions: 8.75" x 3"
      $123.49




    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 Hummer H1 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 Hummer H1 that has been waiting to be released!


    • Add Power to Your Jeep
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    2003 Hummer H1 Performance Parts Reviews

    Average rating:    4 - 3 reviews
    4.5 of 5
    Kooks
    Product very good. Love it.
    Posted by Jojie (Mississauga, ON) / August 8, 20182010 Toyota Corolla
    Was this review helpful for you? Yes
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