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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.

  • PAI Air Spring 11

    PAI Air Spring 11

    Top Plate Hole/Stud: 2 Bottom Plate Hole/Stud: 1 Top Plate Diameter: 9 Bottom Plate Diameter: 10 Collapsed Height: 6.7 Flexmember: 566-24-3-097 Piston: 566-20-7-236 Piston Type: C

    $134.08
  • 48in  6200 Series Push/Pull Cable

    48in 6200 Series Push/Pull Cable

    48" 6200 Series Push/Pull Cable 6200-Series Universal Mount Control Cable has a 110 lb. to 200 lb.load range and 3" travel. The 5/16"-24 thread stainless steel rod has a 10" minimum bend radius and a .188 core. Includes bulkheads, nuts and washers...

    $39.07
  • Kysor Parallel Flow Condenser Coil 2 Kysor Parallel Flow Condenser Coil 2

    Kysor Parallel Flow Condenser Coil 2

    Manufacturer: International • Year: 2001-2008 • Make: 7000-Series • Model: 7300, 7400, 7500, 7600 Manufacturer: International • Year: 2007 • Make: 8000-Series • Model: 8500 • OEM No.: 2507482C92

    $86.43
  • 1" Wing Style Male End Coupler

    Buyers Products

    1" Wing Style Male End Coupler

    1" Wing Type Quick Detach Coupler (45GPM) Male End, P/N QDWC161 Solid Brass Male End Only Weight: 1.35 lbs Quickly detaches and attaches. Durable, reliable brass and iron construction. Product Common Use: Truck and Trailer Hydraulic Systems

    $49.81
  • 60in  6200 Series Push/Pull Cable

    60in 6200 Series Push/Pull Cable

    60" 6200 Series Push/Pull Cable 6200-Series Universal Mount Control Cable has a 110 lb. to 200 lb.load range and 3" travel. The 5/16"-24 thread stainless steel rod has a 10" minimum bend radius and a .188 core. Includes bulkheads, nuts and washers...

    $53.83
  • 50 Gallon Upright Aluminum Hydraulic Tank

    Buyers Products

    50 Gallon Upright Aluminum Hydraulic Tank

    Upright design fits conveniently behind truck cab. Quality aluminum construction for lighter weight and excellent heat dissipation. Attractive diamond-tread design on upper half. Fully baffled to keep oil cool and moving correctly. Includes...

    $655.00
  • Kysor Parallel Flow Condenser Coil 14in x 35-5/8in

    Kysor Parallel Flow Condenser Coil 14in x 35-5/8in

    Manufacturer: Kenworth • Year: 2008-2011 • Make: T170 Series • Model: T170 • OEM No.: M3659001, M3660002, R0440001 Manufacturer: Kenworth • Year: 2008-2011 • Make: T270 Series • Model: T270 • OEM No.: M3659001, M3660002, R0440001 Manufacturer: Kenworth

    $97.63
  • Kysor 2 Ton Block Type Expansion Valve Kysor 2 Ton Block Type Expansion Valve

    Kysor 2 Ton Block Type Expansion Valve

    Manufacturer: Freightliner • Year: 2008-2013 • Make: Century Class • Model: All models • OEM No.: BOAN9535001, BOA4965 Manufacturer: Freightliner • Year: 2008-2013 • Make: Columbia • Model: All models • OEM No.: BOAN9535001, BOA4965

    $18.24
  • Sanden Compressor OEM 12v

    Sanden Compressor OEM 12v

    6 Groove   Manufacturer: Kenworth - Make: All other models - OEM NO.: F69-6003-122 Manufacturer: Peterbilt - Make: All other models with Sanden compressors - OEM NO.: F69-6003-122 Manufacturer: Kenworth CATERPILLAR 3406, C13, C15, C16

    $295.73
  • Type 20 Service Chamber Type 20 Service Chamber

    Newstar

    Type 20 Service Chamber

    TYPE 20 SERVICE CHAMBER Direct Replacement For All Service Brake Chambers On The MarketIncludes Mounting Hardware & Clevis Assembly

    $39.35
  • 22in Texas Square inBlind Mountin Bumper 22in Texas Square inBlind Mountin Bumper 22in Texas Square inBlind Mountin Bumper

    22in Texas Square inBlind Mountin Bumper

    These bumpers really clean up the look of your Peterbilt 379 / 389 - Add some class to your ride and hey, If you forgot your mirror you can always fix your hair in the beautiful chrome reflection, add a Bumper lift kit so you don't have to lean down so...

    $815.00

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.