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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Exhaust Heat Shield Mounting Clamp Replaces 14-14695 For Peterbilt 377, 378, 379 & 386
AUTOMANN USA
$46.22Mount Clamp For Exhaust Shield Fits Peterbilt 377, 378, 379 & 386 * High Quality Mounting Clamp* Position - Driver Or Passenger Side ? Center Or Upper* Fits 10 Inch Diameter Muffler * Clamp For Mounting Exhaust Heat Shield To Muffler* Sold Individually**...$46.22 -
BESTfit Door Wedge Replaces 20-10831 For Peterbilt 375, 377, 378 & 379
BESTFIT TRUCK PARTS
$10.19BESTfit Door Wedge Fits Peterbilt * High Quality Door Wedge* 2.375 Inches Long* .75 Inches Wide* .313 Inches Thick* Sold Individually* Warranty On Door Wedge Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...$10.19 -
Wear Washer - 2 Inch ID For Peterbilt Rear Air Leaf
AUTOMANN USA
$13.19Peterbilt Rear Air Leaf 0.10 Inch Thick Wear Washer * High Quality Wear Washer* 0.10 Inch Thickness* 2.00 Inch I.D.* Sold Individually* Warranty On Wear Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$13.19 -
Stainless Steel Air Tank U-Bolt Replaces K241-576 & G34-6006 For Paccar 10 Inch Diameter Tank
BESTFIT TRUCK PARTS
$20.29Air Tank U-Bolt * High Quality Air Tank U-Bolt * Stainless Steel* For 10 Inch Diameter Air Tank* Includes 2 Washer And Lock Nuts* 11.250 Inches Overall Height* 10.000 Inches Between Sides* 5/16 Inch Material Diameter* 5/16-24 Thread Size* 3.000 Inches...$20.29 -
Peterbilt BESTfit Aluminum Lower Step With Early Style Tread & Brackets
BESTFIT TRUCK PARTS
$98.99BESTfit Aluminum Replacement Lower Step With Angles For PeterbiltUpgrade your vehicle's accessibility with our premium aftermarket Lower Step. Crafted from durable aluminum, this step boasts a 30.50-inch length, 7-inch width, and 2-inch height, providing...$98.99 -
Peterbilt 378, 379, 386 BESTfit Large Upper Hood Roller Replaces 13-04391
BESTFIT TRUCK PARTS
$11.62BESTfit Replacement Large Upper Hood Roller Fits PeterbiltThis upper hood roller comes with a tube and is made of polyurethane for the roller part and steel for the tube. It features a black color, with dimensions of 1.125 inches in outer diameter, 1.5...$11.62 -
On Sale
Frame Clamp For Mounting Under Body Glow Light Brackets
IOWA CUSTOMS
Now: $36.27Was: $45.34Frame Clamp For Mounting Under Body Glow Light Brackets * Made Of High Quality Billet Aluminum* Recommended 2 Brackets Per 12 Or 24 Inch Sections* No Drilling Required - Installs With Basic Hand Tools* Sold As Pairs* Warranty On Mounting Clamps Against...Now: $36.27Was: $45.34 -
Under Body Glow Light Bracket 12 Inch W/ 3 Light Holes
IOWA CUSTOMS
$42.92Under Body Glow Light Bracket * Made Of High Quality Black Powdered Coated Steel* Bracket Length - 12 Inches* Has Three 3/4 Inch Diameter Holes For Bulkhead Style Lights* This Is The Light Mounting Bracket Only - Lights And Harness Are Not Included -...$42.92 -
Stainless Steel Visor For 7 Inch & 5.75 Inch Round Headlights
UNITED PACIFIC
$5.79Visor Fits 7 Inch And 5.75 Inch Round HeadlightsIntroducing our Stainless Steel Headlight Visor, a versatile accessory designed to fit both 7-inch and 5.75-inch single round headlights. This visor offers a universal fit for 7-inch headlights and can be...$5.79 -
Double Ring Mounting for 5.75" LED Headlight Model 8630 (Dual)
AFTERMARKET
$257.99JW Speaker 5.75" Double Ring Kit Mounting Assembly for LED Headlight Model 8630 used in Dual 5.75" Headlight Configurations.- Sold Each (One required for Harley Roadglide. Two required for Automotive Application - Left & Right) Double JJ Headlight...$257.99 -
3 Inch Rubber Headlight Cap
AFTERMARKET
$21.413 Inch Rubber Headlight Cap * Made Of High Quality Rubber* 3 Inch * Fits Back Of Crystal And Projection Style Headlights* Includes Clamp To Headlight* Sold Individually***High Quality Aftermarket Replacement Part (Not OEM)***$21.41 -
BESTfit Stainless Steel Hydraulic Fuel Tanks Strap For 24 Inch Diameter Tank
BESTFIT TRUCK PARTS
$49.99BESTfit 1 7/8 Inch X 56 Inch Eye To Eye Hydraulic Tank Strap * High Quality Tank Strap* Stainless Steel* Width 1-7/8 Inch* Length 56 Inch Eye To Eye / Does Not Include Stud Length* Has Eye Bolt On Each End* For 24 Inch Round Hydraulic Tank* Use With...$49.99