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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups
    Add to Cart

    Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $498.99
    Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a radius bottom and a flange. The air line...
    $498.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $498.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 2 7-Way Hookups
    Add to Cart

    Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $411.99
    Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a radius bottom and a flange. The air line box has...
    $411.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $411.99
    Subtotal:
  • Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 2 7-Way Hookups
    Add to Cart

    Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $498.99
    Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a radius bottom and a flange. The air line box has...
    $498.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $498.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way Hookup
    Add to Cart

    Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way Hookup

    IOWA CUSTOMS

    $382.99
    Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 7-Way HookupThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a radius bottom and a flange. The air line box has pre-cut...
    $382.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $382.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups
    Add to Cart

    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups

    IOWA CUSTOMS

    $411.99
    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & Hydraulic HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a 45-degree front and a flange. The air line...
    $411.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $411.99
    Subtotal:
  • Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups
    Add to Cart

    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups

    IOWA CUSTOMS

    $499.99
    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & Hydraulic HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a 45-degree front and a flange. The air...
    $499.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $499.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups
    Add to Cart

    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $411.99
    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a 45-degree front and a flange. The air line...
    $411.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $411.99
    Subtotal:
  • Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups
    Add to Cart

    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $498.99
    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a 45-degree front and a flange. The air...
    $498.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $498.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 2 7-Way Hookups
    Add to Cart

    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $411.99
    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight smooth aluminum with a 45-degree front and a flange. The air line...
    $411.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $411.99
    Subtotal:
  • Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes
    Add to Cart

    Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $385.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups & 2 - 4 Inch Light Holes * High Quality Deck Plate Accessories* Made Of Smooth Aluminum* On-Top Airline Box * With Trailer Air Two 7-Way Hook Up And Two 4 Inch Light Holes * Made In USA* Sold...
    $385.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $385.99
    Subtotal:
  • 304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes
    Add to Cart

    304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $429.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups & 2 - 4 Inch Light Holes * High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air Two 7-Way And Two 4 Inch Light Holes* Made In USA* Sold...
    $429.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $429.99
    Subtotal:
  • 304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup, 2 - 4 Inch Light Holes
    Add to Cart

    304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $429.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup & 2 - 4 Inch Light Holes * High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air One 7-Way And Two 4 Inch Light Holes * Made In USA* Sold...
    $429.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $429.99
    Subtotal:
  • Total: items /

Adding your products to cart