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Truck Components

Keeping a semi truck in top condition starts with understanding its many moving parts. Semi truck components include engines, braking systems, suspension setups, fuel systems, electrical networks, and transmissions, each working together to keep your rig running strong. These critical truck parts handle everything from pulling heavy loads to protecting cargo during long hauls.

 

Knowing how each semi truck part functions is vital for preventive maintenance and roadside troubleshooting. Whether you drive a semi daily or manage a fleet, investing time in understanding your vehicle’s core components helps extend service life and boosts performance across every mile.

 

By focusing on maintenance and using quality parts, drivers can lower repair costs, improve fuel efficiency, and keep their trailer and truck road-ready.

  • SS1200P Coalescing Dryer SS1200P Coalescing Dryer SS1200P Coalescing Dryer

    Newstar

    SS1200P Coalescing Dryer

    Air Dryer Model:SS1200PCartridge Type:CoalescingControl Port Diameter:.25 x 18 NPTF InchDelivery Port Diameter:.5 x 14 NPTF InchDryer Type:SS1200PSupply Port Diameter:.5 x 14 NPTF InchVoltage:12 Volts DC Replaces: Automann: 170...

    $393.99
  • Gladhand

    Newstar

    Gladhand

    Replaces: Velvac: 035152 Mack: 1000-GH20HR Phillips: 12-338 Dayton Parts: 12-4031 Tectran: 16082 Automann: 179.1041 Tramec: 36256 Volvo Truck: 3947350 Wabash...

    $28.79
  • Type 1200 Style Air Dryer

    OTR

    Type 1200 Style Air Dryer

    Get ready for the long road with clean and dry compressed air that enhances brake performance, thanks to the OTR Type 1200 Style Air Dryer with Experience Built In™. This replacement part effectively removes liquids and water vapors from compressed...

    $178.75
  • AD-IS Style Air Dryer

    OTR

    AD-IS Style Air Dryer

    Prepare your truck to be Ready for the Road Ahead® with the Bendix AD-IS® Air Dryer that efficiently removes moisture from compressed air to ensure optimal brake performance. This air dryer seamlessly removes moisture and vapors from compressed...

    $178.75
  • AD-IP Style Air Dryer

    OTR

    AD-IP Style Air Dryer

    The OTR Type F/AD-IP Style Air Dryer ensures Expertise Built In™, thoroughly filtering out water, vapor, oil vapor, and other toxins before they get to the air compressor tanks and valves. This heavy duty air dryer completely blocks freeze-up...

    $178.75
  • AD-9 Style Dryer

    OTR

    AD-9 Style Dryer

    The OTR Type AD-9® Style Air Dryer ensures Expertise Built In™, thoroughly filtering out water, vapor, oil vapor, and other contaminants before they get to the air compressor tank and valves. This heavy duty air dryer efficiently blocks...

    $178.75
  • Stamped Flange Bearing - 3/4" Stamped Flange Bearing - 3/4"

    Buyers Products

    Stamped Flange Bearing - 3/4"

    Buyers Products Stamped Flange Bearing has 3-1/4 in. bolt centers and is commonly used with 3/4 in. and 1 in. tarp system axle shafts. Available with a 3/4 in. or 1 in. bore. Product Common Use: 3/4 in. Tarp System Axle Shafts

    $12.68
  • Peterbilt Torque Arm - 17.34"

    Newstar

    Peterbilt Torque Arm - 17.34"

    Torque Arm 17.34" Length Peterbilt Application Replaces Part Numbers: 03-04327 03-04327R C65-6012 C65-6012-0000 C65-6012-000010440 C65-6026 E-5083 R305083 TMR520 TMR549 TR75-41327

    $157.87
  • Paccar Power Steering Pump

    Paccar

    Paccar Power Steering Pump

    Paccar Power Steering Pump Multiple Peterbilt and Kenworth Applications Displacement 22.0cc 2175 PSI Right Hand CW Rotation Supply 1-1/16-12 UN Discharge 3/14-16 UNF EV type 11 Tooth Flow Rate 4.23 GPM  

    $728.53
  • Power Steering Reservoir Bracket

    Paccar

    Power Steering Reservoir Bracket

    Power Steering Reservoir Bracket (1.0 quart) Compatible with Kenworth and Peterbilt trucks, securely mounts the power steering fluid reservoir. Made from steel with a painted or coated finish, it ensures durability and corrosion resistance for dependable...

    $182.21

Truck Engines: Power and Performance

Our inventory features engines tailored for diverse hauling demands, from light local jobs to major freight hauls. Drivers looking for maximum power and reliability will appreciate our lineup, which covers everything from high-torque options to engines built for long-distance durability.

When it comes to aftermarket semi truck parts, we offer premium engines designed for better performance, smoother driving, and lower operating costs. Compared to basic models, our engines deliver greater efficiency, helping drivers stretch every gallon of fuel.

You can also support your engine's health with our maintenance kits. Built to improve airflow, optimize combustion, and reduce wear, these kits make a real difference in both daily driving and long-term ownership.

Braking Systems: Safety and Reliability

Our selection of brake parts includes high-performance brake pads, air brake valves, slack adjusters, and complete drum and disc brake kits. We help you address common problems like uneven wear or reduced braking power with our top-rated replacement products. Our braking solutions not only improve stopping distances but also support regulatory compliance for commercial truck parts standards.

No matter if you drive a Freightliner Cascadia or any other popular semi model, we have dedicated braking system solutions ready to ship. We encourage you to check out our customer reviews which frequently highlight how we help provide safer stops, longer part life, and peace of mind on the road.

Suspension Systems: Comfort and Stability

Handling heavy duty truck parts is about more than brute strength -- comfort and stability are just as important. Our catalog features suspension components like air springs, shocks, and control arms, built to absorb bumps and prevent cargo shifts.

Upgrading your suspension can also boost your fuel efficiency by creating less resistance on the road. For drivers tired of rough rides, our upgrade kits offer an easy, effective solution that improves both handling and overall driving experience.

With a smoother ride, drivers stay comfortable longer, and your semi truck endures less wear and tear on essential components. All of this translates to better ROI.

Other Truck Components

At Fitzgerald Truck Parts, we offer a full lineup of semi truck components designed to support every aspect of your rig's performance. Our selection includes:

  • Cooling and Air Systems: Maintain optimal engine performance with our radiators, intake manifolds, fans, and other essential parts.
  • Heating and AC: Stay comfortable year-round with our blower motors, resistors, switches, receiver driers, AC lines, and evaporator cores.
  • Body Components: Find bumpers, headlights, and body panel upgrades that restore or customize your semi truck's look.
  • Transmission and Components: From transmission oil coolers to shifter poles and reman transmissions, we provide quality parts to keep your truck shifting smoothly.
  • Wheels and Tires: Keep rolling strong with durable wheels, wheel covers, and mudflaps built for heavy duty demands.
  • Electrical System Parts: Power up with alternators, starters, wiring harnesses, sensors, and other essential components.
  • Exhaust Systems: Shop exhaust pipes, heat shields, mufflers, and full exhaust kits for maximum efficiency and durability.
  • Interior and Exterior Accessories: Customize your cab with sun visors, bug deflectors, mirrors, air brake knobs, wood and leather steering wheel replacements, and more.

Our trailer parts selection help keep your rig in peak condition. We cover everything needed to outfit your truck or trailer for maximum performance, safety, and reliability. With us, keeping your rig in top shape has never been easier -- or more affordable.

Get the Semi Truck Components You Need Today

Semi trucks are intricate machines where every part counts. From the braking system to the fuel tank, every component plays a role in safety, performance, and cost efficiency. Routine maintenance and smart part replacements prevent unexpected breakdowns and help drivers avoid costly delays.

The future of trucking promises exciting advancements like smart braking technologies, lighter materials, and predictive maintenance tools. Staying ahead of these trends means working with a supplier that understands the evolving needs of the industry.

When you're ready to upgrade or replace components, we're here with expert advice and an extensive selection of high-quality aftermarket parts designed to keep your truck running strong.

Why Buy from Fitzgerald Truck Parts

Choosing us means more than just buying truck parts -- it means partnering with a team committed to quality, service, and your success. Here's why drivers and fleets trust us:

  • Brands You Trust: We stock parts from top brands and manufacturers known for quality and reliability.
  • Competitive Pricing: Save more with our everyday deals and seasonal parts specials.
  • Expert Support: Our knowledgeable team is here to help you match the right part to your truck or trailer.
  • Fast Shipping: Get the parts you need without the long wait.
  • Extensive Inventory: Whether you need a new fuel tank, upgraded brake pads, or durable trailer parts, we've got you covered.

We make it easy to find the best gear for your heavy duty truck. Shop online, browse by category, or contact us with any questions.