Semi-Truck New Products

Semi-Truck New Products

Semi-Truck New Products

Check out Semi Truck New Products at 4 State Trucks! Do you have fitment questions? Our Parts Pros are ready to help! Time for an upgrade - give us a call for top-notch customer service and shop now!
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  • BESTfit 5 to 4 X 8 Inch Aluminized Steel Turbo Adapter
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    BESTfit 5 to 4 X 8 Inch Aluminized Steel Turbo Adapter

    BESTFIT TRUCK PARTS

    $69.03
    5 to 4 X 8 Inch Turbo Adapter  - Adapter - Turbo/Manifold Adapter - Aluminum - 8 Inch Length - 4 Inch Inner Diameter - 5 Inch Outer Diameter To 5.75 Outer Flare - Sold Individually - Warranty On Adapters Against...
    $69.03
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    $69.03
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  • BESTfit 8 X 96 Inch Chrome West Coast Turn Exhaust Stack
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    BESTfit 8 X 96 Inch Chrome West Coast Turn Exhaust Stack

    BESTFIT TRUCK PARTS

    $1,085.61
    8 X 96 Inch West Coast Turn Exhaust Stack By BESTfit  - Stack - West Coast Curved Top Style - Chrome - 96 Inch Height - 8 Inch Outer Diameter - Sold Individually - Warranty On Stacks Against Defects In Workmanship &...
    $1,085.61
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    $1,085.61
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  • 6-5 X 48 Inch Chrome West Coast Turn Exhaust Stack By BESTfit
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    6-5 X 48 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $373.99
    BESTfit 6-5 X 48 Inch West Coast Turn Exhaust Stack  - Exhaust Stack - West Coast  - Curved Top - Chrome - 6 Inch Outer Diameter Reduces To 5 Inch Outer Diameter - 48 Inch Length - Sold Individually - Warranty On...
    $373.99
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    $373.99
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  • BESTfit 2.75 X 2 Inch Aluminized Steel Turbo Adapter
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    BESTfit 2.75 X 2 Inch Aluminized Steel Turbo Adapter

    BESTFIT TRUCK PARTS

    $36.20
    Aluminized Steel Turbo Adapter Use With V-Band Clamp  - Turbo/Manifold Adapter - With 22 Degree Flare - Used With V-Band Clamp - Aluminum - 2.75 Inch Outer Diameter To A 3.21 Inch Flare - 2 Inch Depth - Sold...
    $36.20
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    $36.20
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  • Black Aluminum Alloy Water Tank Cap
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    Black Aluminum Alloy Water Tank Cap

    CHROME SHOP MAFIA

    $16.47
    38MM Water Tank Cap  - Water Tank Cap - Cap For Filler Neck Of Oil Fuel Water Tank (Cap Only) - Aluminum Alloy Weld Billet - Black - 1/5 Inch (38MM) - Sold Individually - Warranty On Water Tank Caps Against Defects In...
    $16.47
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    $16.47
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  • BESTfit 5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005
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    BESTfit 5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005

    BESTFIT TRUCK PARTS

    $143.99
    5.5 Haldex Self- Setting Type Automatic Slack Adjuster  - Slack Adjuster - Automatic-Haldex Slack Type (Self Setting) - Bracket And Hardware Included - 5.5 Inch Center To Center Arm Length - 1.5 Inch Diameter - 28 Count...
    $143.99
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    $143.99
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  • BESTfit Driver Side Blackout Headlight Replaces A66-01512-002 For Freightliner Cascadia
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    BESTfit Driver Side Blackout Headlight Replaces A66-01512-002 For Freightliner Cascadia

    BESTFIT TRUCK PARTS

    $249.99
    Driver Side Blackout Headlight  - Headlight - Blackout Full Halogen - Uses H11 Bulb For Low/High-Beam Functions - Driver Side - Sold Individually - Warranty On Headlights Against Defects In Workmanship & Material From Date...
    $249.99
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    $249.99
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  • BESTfit Driver Side Black Mirror Assembly For Freightliner FL70, FL80
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    BESTfit Driver Side Black Mirror Assembly For Freightliner FL70, FL80

    BESTFIT TRUCK PARTS

    $94.99
    Driver Side Black Mirror Assembly By BESTfit  - Mirror Assembly - Black - Driver Side - Sold Individually - Warranty On Mirror Assemblies Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket...
    $94.99
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  • BESTfit Passenger Side Blackout Headlight Replaces A66-01512-003 For Freightliner Cascadia
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    BESTfit Passenger Side Blackout Headlight Replaces A66-01512-003 For Freightliner Cascadia

    BESTFIT TRUCK PARTS

    $249.99
    Passenger Side Blackout Headlight  - Headlight - Blackout Full Halogen - Uses H11 Bulb For Low/High-Beam Functions - Passenger Side - Sold Individually - Warranty On Headlights Against Defects In Workmanship & Material From...
    $249.99
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    $249.99
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  • BESTfit Freightliner Heavy Duty Radiator Core 37? X 31-3/4? X 2-1/16?
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    BESTfit Freightliner Heavy Duty Radiator Core 37? X 31-3/4? X 2-1/16?

    BESTFIT TRUCK PARTS

    $779.58
    Heavy Duty Radiator Core  - Radiator Core - Features 4 Rows - Gasket Not Included - 37 Inch Height - 31-3/4 Inch Width - 2-1/16 Inch Depth - Sold Individually - Warranty On Radiator Cores Against Defects In...
    $779.58
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    $779.58
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  • BESTfit Passenger Side Black Mirror Assembly For Freightliner FL70, FL80
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    BESTfit Passenger Side Black Mirror Assembly For Freightliner FL70, FL80

    BESTFIT TRUCK PARTS

    $94.99
    Passenger Side Black Mirror Assembly By BESTfit  - Mirror Assembly - Black - Passenger Side - Sold Individually - Warranty On Mirror Assemblies Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket...
    $94.99
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    $94.99
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  • BESTfit Top Surge Tank - Steel - W/ Gasket - 40 Bolt Holes - 2.5? Straight Inlet For Kenworth
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    BESTfit Top Surge Tank - Steel - W/ Gasket - 40 Bolt Holes - 2.5? Straight Inlet For Kenworth

    BESTFIT TRUCK PARTS

    $334.68
    Top Surge Tank  - Top Surge Tank - Black Finish - Sold Individually - Warranty On Top Surge Tanks Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket Replacement Part (Not OEM)
    $334.68
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    $334.68
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