Peterbilt 567/579 Parts

Peterbilt 567/579 Parts

Peterbilt 567/579 Parts

Find the best Peterbilt 579 aftermarket and custom parts in the business here at 4 State. The Peterbilt 579 semi truck is a solid and stately big rig designed for the needs of modern American truckers. Like other Peterbilt models, the 579 delivers on durability, reliability, safety, and comfort, so it rides like a dream for miles on end. What sets the Pete 579 model apart is the addition of features like cutting-edge integrated technology in-cab and an aerodynamic design optimized for fuel efficiency. Take your Peterbilt 579 to the next level and show off your personality with help from 4 State Trucks. From bumpers to exhaust to fenders and beyond, we have the best custom parts and aftermarket accessories for your Peterbilt big rig.
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  • BESTfit 3.5 Inch I.D.-I.D. X 120 Inch Aluminized Steel Straight Tube
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    BESTfit 3.5 Inch I.D.-I.D. X 120 Inch Aluminized Steel Straight Tube

    BESTFIT TRUCK PARTS

    $314.99
    BESTfit 3.5 Inch I.D.-I.D. X 120 Inch Aluminized Steel Straight TubeCrafted from robust Aluminized Steel, this straight tube features a generous length of 120 inches and a diameter of 3.5 inches, ideal for various exhaust system applications...
    $314.99
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  • BESTfit 3 Inch I.D.-I.D. X 120 Inch Aluminized Steel Straight Tube
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    BESTfit 3 Inch I.D.-I.D. X 120 Inch Aluminized Steel Straight Tube

    BESTFIT TRUCK PARTS

    $255.99
    BESTfit 3 Inch I.D.-I.D. X 120 Inch Aluminized Steel Straight TubeConstructed from durable Aluminized Steel, this straight tube boasts an impressive length of 120 inches and a diameter of 3 inches. Perfect for various exhaust system applications, it is...
    $255.99
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  • BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch Outlet
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    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch Outlet

    BESTFIT TRUCK PARTS

    $1,064.99
    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch OutletCrafted from durable Aluminized Steel, this aftermarket muffler is designed to elevate your vehicle's exhaust system. It comes complete with mounting hardware...
    $1,064.99
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  • BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/Outlet
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    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/Outlet

    BESTFIT TRUCK PARTS

    $622.99
    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...
    $622.99
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  • BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-Pipe
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    BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-Pipe

    BESTFIT TRUCK PARTS

    $282.99
    BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-PipeCrafted from durable Aluminized Steel, this aftermarket Y-Pipe offers a versatile solution for exhaust systems. With dimensions of 3.5 inches in diameter, 10.5 inches in width, and...
    $282.99
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  • BESTfit 4 Inch 16G Aluminized Steel Inlet Elbow
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    BESTfit 4 Inch 16G Aluminized Steel Inlet Elbow

    BESTFIT TRUCK PARTS

    $69.35
    BESTfit 4 Inch 16G Aluminized Steel Inlet ElbowShield your exhaust system effectively with our Inlet Elbow, crafted from durable 16 gauge Aluminized Steel. With dimensions of 4 inches in diameter, 31.5 inches in overall length, and featuring a 4.5-inch...
    $69.35
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  • BESTfit Triple Convoluted Air Bag - Replaces SP3B22R, 578-93-3-100, FT-330-29, 64285, 8018, 8039, 3B12303, 93AR
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    BESTfit Triple Convoluted Air Bag - Replaces SP3B22R, 578-93-3-100, FT-330-29, 64285, 8018, 8039, 3B12303, 93AR

    BESTFIT TRUCK PARTS

    $381.99
    BESTfit Triple Convoluted Air BagPresenting our Air Spring Triple Convoluted, engineered with precision for superior performance. Crafted to perfection, this triple convoluted air spring boasts a load capacity of 5400 lbs at 80 PSI and 6800 lbs at 100...
    $381.99
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  • Plastic Coolant Reservoir With 1 Large, 1 Small Port Replaces DR104004 For PACCAR T680, T880, 579
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    Plastic Coolant Reservoir With 1 Large, 1 Small Port Replaces DR104004 For PACCAR T680, T880, 579

    BESTFIT TRUCK PARTS

    $271.99
    Plastic Coolant Reservoir Fits Kenworth T680, T880 & Peterbilt 579Over time coolant reservoirs become susceptible to heat and engine vibration. This coolant reservoir with one large and one small port is manufactured and engineered with premium plastic...
    $271.99
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  • BESTfit 10 X 49.5 Inch Type 1 Muffler W/ Lifting Ring W/ 5 Inch Inlet/Outlet Replaces M66-6188, M101451 For PACCAR
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    BESTfit 10 X 49.5 Inch Type 1 Muffler W/ Lifting Ring W/ 5 Inch Inlet/Outlet Replaces M66-6188, M101451 For PACCAR

    BESTFIT TRUCK PARTS

    $699.99
    BESTfit Aluminized Steel Type 1 Muffler Fits Keworth & PeterbiltEnhance your vehicle's performance with our Aluminized Steel Muffler, proudly made in the USA. Featuring a sturdy construction, it measures 10 inches in diameter and 49.5 inches in length,...
    $699.99
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  • BESTfit Reyco Torque Arm Bolt Assembly Kit For Peterbilt With Air Trac Spring Hangers
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    BESTfit Reyco Torque Arm Bolt Assembly Kit For Peterbilt With Air Trac Spring Hangers

    BESTFIT TRUCK PARTS

    $48.95
    BESTfit Torque Arm Bolt Kit Fits Peterbilt Air Trac Suspension * High Quality Torque Arm Bolt Assembly Kit* For Peterbilt Air Track Spring Hangers* 4.375 Inch Center To Center Bolt Holes* Includes: 1 Torque Arm Bolt, 2 Compression Washers, 2 Torque Rod...
    $48.95
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  • BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipe
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    BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipe

    BESTFIT TRUCK PARTS

    $23.65
    BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeIntroducing the Aluminized Exhaust Reducer, engineered from durable aluminized steel to ensure longevity. Featuring dimensions of 4 inches outer diameter on one end and 3.5 inches...
    $23.65
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    $23.65
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  • BESTfit 4 To 3.5 Inch ID-OD X 8 Inch OAL Aluminized Steel Reducer Pipe
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    BESTfit 4 To 3.5 Inch ID-OD X 8 Inch OAL Aluminized Steel Reducer Pipe

    BESTFIT TRUCK PARTS

    $26.51
    BESTfit 4 To 3.5 Inch ID-OD X 8 Inch OAL Aluminized Steel Reducer PipeIntroducing the Aluminized Steel Reducer, designed to seamlessly transition your exhaust system. With precise dimensions of 4 inches inside diameter and 3.5 inches outside diameter,...
    $26.51
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