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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  • 23 X 9 Inch Quilted Blue Vinyl Fuel Tank End Cover
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    23 X 9 Inch Quilted Blue Vinyl Fuel Tank End Cover

    ROBERT JAMES ENTERPRISES

    $199.99
    Quilted Blue Vinyl 23 Inch Diameter Tank Covers With 9 Inch Sleeves - Fits Freightliner & Peterbilt ApplicationsProtect the ends of your Peterbilt or Freightliner fuel tank from road debris, stones, snow, and dirt with this pair of high performance blue...
    $199.99
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  • 23 X 9 Inch Quilted Light Blue Vinyl Fuel Tank End Cover
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    23 X 9 Inch Quilted Light Blue Vinyl Fuel Tank End Cover

    ROBERT JAMES ENTERPRISES

    $199.99
    Quilted Light Blue Vinyl 23 Inch Diameter Tank Covers W/ 9 Inch Sleeves - Fits Freightliner & Peterbilt ApplicationsProtect the ends of your Peterbilt or Freightliner fuel tank from road debris, stones, snow, and dirt with this pair of high performance...
    $199.99
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  • 23 X 9 Inch Quilted Red Vinyl Fuel Tank End Cover
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    23 X 9 Inch Quilted Red Vinyl Fuel Tank End Cover

    ROBERT JAMES ENTERPRISES

    $205.99
    Quilted Red Vinyl 23 Inch Diameter Tank Covers With 9 Inch Sleeves - Fits Freightliner & Peterbilt ApplicationsProtect the ends of your Peterbilt or Freightliner fuel tank from road debris, stones, snow, and dirt with this pair of high performance red...
    $205.99
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  • 23 X 9 Inch Quilted Black Vinyl Fuel Tank End Cover
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    23 X 9 Inch Quilted Black Vinyl Fuel Tank End Cover

    ROBERT JAMES ENTERPRISES

    $199.99
    Quilted Black Vinyl 23 Inch Diameter Tank Covers With 9 Inch Sleeves - Fits Freightliner & Peterbilt ApplicationsProtect the ends of your Peterbilt or Freightliner fuel tank from road debris, stones, snow, and dirt with this pair of high performance...
    $199.99
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  • 22 X 9 Inch Quilted Teal Vinyl Fuel Tank Cover
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    22 X 9 Inch Quilted Teal Vinyl Fuel Tank Cover

    ROBERT JAMES ENTERPRISES

    $199.99
    Teal Quilted Tank Cover Fits Kenworth & Western StarProtect the ends of your Kenworth or Western Star fuel tank from road debris, stones, snow, and dirt with this pair of high performance teal colored covers by Robert James Enterprises. Made of...
    $199.99
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  • CSM SS Air Tank Straps W/ Welded In Studs For Peterbilt W/ 9 Inch Diameter Air Tanks
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    CSM SS Air Tank Straps W/ Welded In Studs For Peterbilt W/ 9 Inch Diameter Air Tanks

    CHROME SHOP MAFIA

    $96.89
    Stainless Steel Air Tank Straps, Flat Strap Design By Chrome Shop MafiaKeep your 9 inch CSM air tank in place with these 1.5 inch wide straps. They feature a wide flat design with welded studs to replace OE Style U-Bolts. The straps are made of stainless...
    $96.89
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  • Black Rubber Mud Flap W/ Splash Guard - 24 x 30 x 1/2 Inch Black Rubber Mud Flap W/ Splash Guard - 24 x 30 x 1/2 Inch
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    Black Rubber Mud Flap W/ Splash Guard - 24 x 30 x 1/2 Inch

    AFTERMARKET

    $30.59
    Black Rubber Mud Flap With Splash Guard * High Quality Mud Flap* Rubber* Black * 24 Inch x 30 Inch x 1/2 Inch * With Splash Guard* Provides The Best Combination Of Strength And Flexibility* Made In USA* Sold Individually* Warranty On Mud Flaps Against...
    $30.59
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  • Black Rubber Mud Flap W/ Splash Guard - 24 x 36 x 1/2 Inch Black Rubber Mud Flap W/ Splash Guard - 24 x 36 x 1/2 Inch
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    Black Rubber Mud Flap W/ Splash Guard - 24 x 36 x 1/2 Inch

    AFTERMARKET

    $33.65
    Black Rubber Mud Flap With Splash Guard * High Quality Mud Flap* Rubber* Black * 24 Inch x 36 Inch x 1/2 Inch * With Splash Guard* Provides The Best Combination Of Strength And Flexibility* Made In USA* Sold Individually* Warranty On Mud Flaps Against...
    $33.65
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  • Dont Tread On Me Rubber Mud Flap - 24 X 30 Dont Tread On Me Rubber Mud Flap - 24 X 30
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    Dont Tread On Me Rubber Mud Flap - 24 X 30

    AFTERMARKET

    $18.35
    Black Rubber Mud Flap W/ Dont Tread On Me * High Quality Mudflap* Made Of Rubber* Black * Made In USA* Sold Individually* Warranty On Mudflaps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...
    $18.35
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  • CSM Stainless Steel Blank Trough Air Line Box CSM Stainless Steel Blank Trough Air Line Box
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    CSM Stainless Steel Blank Trough Air Line Box

    CHROME SHOP MAFIA

    $193.99
    Blank SS Air Line Trough Box By Chrome Shop MafiaThis blank stainless steel air line trough box is durable, sleek, and can be easily customized to fit specific needs. Whether a simple or complex installation is desired, this box offers both functionality...
    $193.99
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  • Iowa Customs Recessed Airline Box W/ Hydro-Air 7 Way Configuration
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    Iowa Customs Recessed Airline Box W/ Hydro-Air 7 Way Configuration

    IOWA CUSTOMS

    $535.99
    Smooth Aluminum Recessed Airline Box With 7 Way Air Hook Ups * High Quality Airline Box* Smooth Aluminum* 7 Way Hook Ups* Recessed * Made To Be Used With Existing Slide In Rail Deck Plate* Sold Individually* Warranty On Airline Boxes Against Defects In...
    $535.99
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  • Iowa Customs Aluminum Deck Plate, 55 x 33.5 Inch W/ Extra Large Storage Box For Freightliner
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    Iowa Customs Aluminum Deck Plate, 55 x 33.5 Inch W/ Extra Large Storage Box For Freightliner

    IOWA CUSTOMS

    $2,817.99
    55 x 33.5 Inch Aluminum Deck Plate With 22 x 28 Inch Storage Box * High Quality Deck Plate* Aluminum* 55 Inch * 33.5 Inch Width* With 22 Inch x 28 Inch XLarge Storage Box* Sold Individually* Warranty On Deck Plates Against Defects In Workmanship &...
    $2,817.99
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