Peterbilt 357/378 Parts

Peterbilt 357/378 Parts

Peterbilt 357/378 Parts

Find the best Peterbilt 378 aftermarket parts in the business here at 4 State. The Peterbilt 378 semi truck represents all of the characteristics of the Peterbilt brand, and was a popular model with similar features to the Peterbilt 379. Pete truck models are a brand of choice for experienced truckers who need dependable semi trucks. 4 State Trucks has all the semi truck parts and accessories you need to make your Pete 378 stand out to showcase your unique personality. Whether you need aftermarket bumpers, exhaust, or fuel tanks, we've got you covered. Hit the open road in style and comfort with the best custom gear for your Peterbilt heavy duty truck or 18 wheeler.
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  • Offset Top Market For Loadshare Air Ride
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    Offset Top Market For Loadshare Air Ride

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    $88.73
    Offset Top Bracket * High Quality Top Bracket* Sold Individually* Warranty On Bracket Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM Part)***
    $88.73
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    Bottom Mounting Bracket For 4 Inch Round Ubolt
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    Bottom Mounting Bracket For 4 Inch Round Ubolt

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    Now: $28.32
    Was: $117.99
    Bottom Mounting Bracket For 4 Inch Round Ubolt * High Quality Bottom Mounting Bracket* For 4 Inch Round Ubolt* Sold Individually* Warranty On Bottom Mounting Brackets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    Now: $28.32
    Was: $117.99
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    Now: $28.32
    Was: $117.99
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  • Single Side Air Ride Kit W 11.5 Inch Offset For Freightliner, International, Kenworth, Mack, Peterbilt, Sterling LT, Volvo, Western Star
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    Single Side Air Ride Kit W 11.5 Inch Offset For Freightliner, International, Kenworth, Mack, Peterbilt, Sterling LT, Volvo, Western Star

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    $784.99
    Single Side Air Ride Kit W 11.5 Inch Offset * High Quality Air Ride Kit* With 11.5 Offset* Sold Individually* Warranty On Air Ride Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...
    $784.99
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  • Stainless Steel 14 Inch Under Frame Filler Panel Fits Between Fuel Tanks For Peterbilt
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    Stainless Steel 14 Inch Under Frame Filler Panel Fits Between Fuel Tanks For Peterbilt

    VALLEY CHROME PLATING

    $654.99
    Wingmaster Peterbilt Blank 18 Gauge SS Lower Rear Frame Tank Filler PanelThis plain stainless steel panel fits under the rear frame of your Peterbilt, right behind the two fuel tanks. It is 14 inches tall and has a 6.5-inch deep cutout to accommodate a...
    $654.99
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  • 30 Inch SS Wicked Style Tool & Battery Box Step Protector For Peterbilt 378, 379, 388 & 389
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    30 Inch SS Wicked Style Tool & Battery Box Step Protector For Peterbilt 378, 379, 388 & 389

    VALLEY CHROME PLATING

    $246.99
    Wingmaster Stainless Steel Tool And Battery Box Step Protector Fits Peterbilt * High Quality Tool And Battery Box Step Protector* Made Of 10 Gauge Stainless Steel* 30 Inch Length* Wicked Style* Tape Mount * Made In USA* Sold As Pairs* Warranty On Tool...
    $246.99
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  • 18 Inch SS Wicked Style Tool & Battery Box Step Protector For Peterbilt 378, 379, 388 & 389
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    18 Inch SS Wicked Style Tool & Battery Box Step Protector For Peterbilt 378, 379, 388 & 389

    VALLEY CHROME PLATING

    $171.99
    Wingmaster Stainless Steel Tool And Battery Box Step Protector Fits Peterbilt * High Quality Tool And Battery Box Step Protector* Made Of Stainless Steel* 10 Gauge* 18 inch Length* Wicked Style* Made In USA* Sold Individually* Warranty On Tool And...
    $171.99
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    $171.99
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  • Shock Bolt With Shoulder Used In Front Air Ride Kits
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    Shock Bolt With Shoulder Used In Front Air Ride Kits

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    $59.15
    Shock Bolt * High Quality Shock Bolt* With Shoulder Used In Front Air Ride Kits* 3/4 Inch* Sold Individually***High Quality Aftermarket Replacement Part (Not OEM Part)***
    $59.15
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    $59.15
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  • 8 X 4 Inch U Bolt Kit For Peterbilt 378 & 379
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    8 X 4 Inch U Bolt Kit For Peterbilt 378 & 379

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    $66.29
    U Bolt Kit * High Quality U Bolt Kit* 8 x 4 Inches* With Nuts And Washers* Sold As Pair* Warranty On U Bolt Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***
    $66.29
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    $66.29
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  • 7 X 4 Inch U Bolt Kit 7 X 4 Inch U Bolt Kit
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    7 X 4 Inch U Bolt Kit

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    $60.99
    Round Top U Bolt Kit * High Quality U Bolt Kit* 7 x 4 Inches* With Nuts And Washers* Sold As Pair* Warranty On U Bolts Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM Part)**** This...
    $60.99
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    $60.99
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  • Controller For Canadian Load Share Air Ride Kits
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    Controller For Canadian Load Share Air Ride Kits

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    $162.99
    Air Ride Controller * High Quality Controller* Canadian Load Share Air Ride Kits* Sold Individually* Warranty On Controller Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM Part)***
    $162.99
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    $162.99
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  • On Sale
    Offset Top Bellow Mounting Plates For Canadian Loadshare Air Ride Kit Offset Top Bellow Mounting Plates For Canadian Loadshare Air Ride Kit
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    Offset Top Bellow Mounting Plates For Canadian Loadshare Air Ride Kit

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    Now: $10.00
    Was: $99.99
    Offset Top Bellow Mounting Plates * High Quality Mounting Plates * Offset * For Air Ride Kit* Sold Individually* Warranty On Mounting Plates Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...
    Now: $10.00
    Was: $99.99
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    Now: $10.00
    Was: $99.99
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  • Shock Bushing 1.5 Inch Od X 3/4 Inch ID
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    Shock Bushing 1.5 Inch Od X 3/4 Inch ID

    ENERGY SUSPENSION

    $4.99
    Shock Bushing * High Quality Shock Bushing* Made Of Polyurethane* 1/2 Hour Glass, 1-1/2 Inch O.D. X 3/4 Inch I.D. * 4 Pieces* Pack Of 4, One Package Per Shock* Sold Individually* Made In USA* Warranty On Shock Bushing Against Defects In Workmanship &...
    $4.99
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    $4.99
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