Peterbilt Parts

Peterbilt Parts

Need some primo Peterbilt parts? Well, you just hit the jackpot. Here at 4 State Trucks, we're not messing around - we've got a treasure trove of both genuine and aftermarket Peterbilt parts and goodies that'll make your rig purr. Listen, we get it. Maybe you're babying your trusty workhorse, or perhaps you're shining up that show-stopper for the next big event. Either way, we've got your Peterbilt parts and your back. Our crew knows Petes inside and out, and they're itching to help you find that perfect part. Got a classic 379 that needs some love? We've got your parts. Rolling in a spanking new 579? No sweat, we've got those cutting-edge parts too.
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  • On Sale
    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe Peterbilt 378, 379 BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe Peterbilt 378, 379
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    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe Peterbilt 378, 379

    BESTFIT TRUCK PARTS

    Now: $3,612.59
    Was: $4,013.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 108 Inches* Long Drop Elbows* 52 Inch Quiet Spools* Kit Includes:- Miter Top...
    Now: $3,612.59
    Was: $4,013.99
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    Now: $3,612.59
    Was: $4,013.99
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  • BESTfit AC Condenser For Peterbilt 357, 359, 362, 375, 377, 378 & 379 BESTfit AC Condenser For Peterbilt 357, 359, 362, 375, 377, 378 & 379
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    BESTfit AC Condenser For Peterbilt 357, 359, 362, 375, 377, 378 & 379

    BESTFIT TRUCK PARTS

    $128.99
    BESTfit AC Condenser For Peterbilt Replaces 18-03554 * High Quality AC Condenser* Inches Core Size- 29.50 Height - 9.75 Width - 1.000 Core Thickness * Sold Individually** Please Verify OE Numbers, Core Dimensions, Hose Fitting Sizes, Styles And Locations...
    $128.99
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    $128.99
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  • BESTfit Complete Caterpillar 3406A, 3406B & 3406C Exhaust Manifold  - 3 Piece
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    BESTfit Complete Caterpillar 3406A, 3406B & 3406C Exhaust Manifold - 3 Piece

    BESTFIT TRUCK PARTS

    $413.99
    BESTfit Complete Exhaust Manifold Fits CaterpillarEnhance your Caterpillar 3406A, B, or C engine with our premium aftermarket replacement manifold, meticulously crafted from a combination of cast iron and stainless steel. This three-piece manifold is...
    $413.99
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    $413.99
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  • Peterbilt BESTfit Stainless Steel Door Hinge  For Driver Side
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    Peterbilt BESTfit Stainless Steel Door Hinge For Driver Side

    BESTFIT TRUCK PARTS

    $203.99
    BESTfit Peterbilt 359 Driver Side Door HingeUpgrade your vehicle's door hinge with our premium stainless steel aftermarket replacement part, proudly made in the USA. Specifically designed for the driver's side, this hinge measures 25.5 inches long and 2...
    $203.99
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    $203.99
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  • On Sale
    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
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    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe

    BESTFIT TRUCK PARTS

    Now: $3,746.69
    Was: $4,162.99
    BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...
    Now: $3,746.69
    Was: $4,162.99
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    Now: $3,746.69
    Was: $4,162.99
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  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe
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    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe

    BESTFIT TRUCK PARTS

    Now: $3,230.99
    Was: $3,589.99
    BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits PeterbiltIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A...
    Now: $3,230.99
    Was: $3,589.99
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    Now: $3,230.99
    Was: $3,589.99
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  • On Sale
    BESTfit 6-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks & OE Style Elbows BESTfit 6-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks & OE Style Elbows
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    BESTfit 6-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks & OE Style Elbows

    BESTFIT TRUCK PARTS

    Now: $2,510.99
    Was: $2,789.99
    BESTfit Chrome 6 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 359Introducing BESTFIT CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A...
    Now: $2,510.99
    Was: $2,789.99
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    Now: $2,510.99
    Was: $2,789.99
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  • BESTfit Chrome 6 Inch O.D. Flat Top Exhaust Stack - 44 Inch Length
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    BESTfit Chrome 6 Inch O.D. Flat Top Exhaust Stack - 44 Inch Length

    BESTFIT TRUCK PARTS

    $209.99
    BESTfit 6 Inch Chrome 44 Inch Flat Top Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * Flat Top Style - Straight Cut* Made Of Chrome-Plated Steel* 6 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 44 Inch Length* Sold...
    $209.99
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    $209.99
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  • BESTfit 9 X 12 Inch Short Galvanized Exhaust Muffler
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    BESTfit 9 X 12 Inch Short Galvanized Exhaust Muffler

    BESTFIT TRUCK PARTS

    $84.99
    BESTfit Short Galvanized Muffler W/ 5 Inch ID Inlet & Outlet * High Quality Muffler* Made Of Galvanized Steel* 9 Inch Diameter Body* 12 Inch Body Length* Inlet 5 Inch Inside Diameter* Outlet 5 Inch Inside Diameter* Sold Individually* Warranty On Muffler...
    $84.99
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    $84.99
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  • BESTfit Oil Pan Cast Aluminum For Caterpillar 3406 Pre-1985
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    BESTfit Oil Pan Cast Aluminum For Caterpillar 3406 Pre-1985

    BESTFIT TRUCK PARTS

    $805.99
    BESTfit Oil Pan For CAT 3406A & 3406BThe "Aluminum Oil Pan" is designed to fit CAT 3406 A or B engines manufactured in June 1986 and earlier. It has a universal fit for both front and rear sump applications and can hold up to 7 gallons of oil. Please...
    $805.99
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    $805.99
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  • BESTfit Chrome 5 Inch Curve Turn Out Exhaust Stack - 96 Inch Length W/ Inside Diameter Inlet-Expanded
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    BESTfit Chrome 5 Inch Curve Turn Out Exhaust Stack - 96 Inch Length W/ Inside Diameter Inlet-Expanded

    BESTFIT TRUCK PARTS

    $279.99
    BESTfit 5 Inch Chrome 96 Inch Curve Turn Out Exhaust Stack With Expanded Inlet - ID * High Quality Exhaust Stack* Curve Style Turn Out* Made Of Chrome-Plated Steel* 5 Inch I.D. Inlet - Expanded Inlet To Fit Over 5 Inch Elbows And Pipes* 96 Inch Length*...
    $279.99
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    $279.99
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  • Peterbilt BESTfit Black Poly Exhaust Mount Grommets - Pack Of 4
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    Peterbilt BESTfit Black Poly Exhaust Mount Grommets - Pack Of 4

    BESTFIT TRUCK PARTS

    $26.89
    BESTfit Polyurethane Exhaust Mount GrommetsThe exhaust mount grommets are crafted from durable polyurethane material and come in a sleek black color. Designed to be easy to use, these grommets effectively isolate exhaust vibrations, enhancing overall...
    $26.89
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    $26.89
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