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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Black Rubber Mud Flap W/ Splash Guard - 24 x 30 x 1/2 Inch
AFTERMARKET
$30.59Black 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 -
Black Rubber Mud Flap W/ Splash Guard - 24 x 36 x 1/2 Inch
AFTERMARKET
$33.65Black 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 -
Dont Tread On Me Rubber Mud Flap - 24 X 30
AFTERMARKET
$18.35Black 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 -
CSM Stainless Steel Blank Trough Air Line Box
CHROME SHOP MAFIA
$193.99Blank 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 -
Iowa Customs Recessed Airline Box W/ Hydro-Air 7 Way Configuration
IOWA CUSTOMS
$478.99Smooth 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...$478.99 -
Iowa Customs Aluminum Deck Plate, 55 x 33.5 Inch W/ Extra Large Storage Box For Freightliner
IOWA CUSTOMS
$2,817.9955 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 -
Hex Bolt 1/2-6 X 7 Inch - Grade 8 For Ridewell
AUTOMANN USA
$48.957 Inch Hex Bolt W/ 1-1/2 Inch -6 Thread Replaces E9445, R309445, And 1130670B105 * High Quality Bolt* 1-1/2 Inch -6 * 7.0 Inch Length* Note Shoulder Is 3.0In* Hex Bolt* Pitch- Coarse* Made In USA* Sold Individually* Warranty On Bolts Against Defects In...$48.95 -
Torque Rod Bolt Kit 5/8 Inch - Sa2206
AUTOMANN USA
$6.11Torque Rod Bolt Kit Replaces SA2206 * High Quality Torque Rod Bolt Kit * Consists Of - (1) Shackle Bolt- (1) U Bolt Washer 5/8 Inch - (1) Lock Nut 5/8 Inch* Sold Individually* Warranty On Torque Rod Bolt Kits Against Defects In Workmanship & Material...$6.11 -
Camshaft Tube Bushing 17.75 Inch - E4737A
AUTOMANN USA
$70.67Replacement Camshaft Tube Bushing For Support End 112.11624, Spider End 112.11623 * High Quality Camshaft Tube* Dimensions:- 17.75 Inch Length- 1.875 Inch Support End ID* Made In USA* Sold Individually* Warranty On Camshaft Tubes Against Defects In...$70.67 -
Spring Equalizer Hex Bolt 1.0in -14 x 6-1/2 Inch Grade 8 For Chevrolet, GM
AUTOMANN USA
$11.21Grade 8 Hex Spring Bolt W/ Fine Pitch Replaces FSP00503028, 3822130, 70002002, And ST1004 * High Quality Spring Bolt * Dimensions:- 1 Inch Bolt Diameter- 6-1/2 Inch Bolt Length* Bolt Type- Hex Bolts* Thread- 14* Fine- Pitch* Grade-8* Sold Individually *...$11.21 -
On Sale
Deep Nut 7/8 - 14 X 1.156 Grade 8
AUTOMANN USA
Now: $0.82Was: $1.17Grade 8 Deep Nut 7/8 - 14 X 1.156 * High Quality Deep Nut* Dimensions:- Diameter- 1.25 Inch - Height- 1.156 Inch* Threads: 0.875 Inch- 14 TPI* Sold As Pack* Warranty On Deep Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High...Now: $0.82Was: $1.17 -
Deep Nut 3/4- 16 X 1-1/16 Inch Grade 8
AUTOMANN USA
$21.59Grade 8 Deep Nut 3/4- 16 X 1-1/16 Inch * High Quality Deep Nut* Dimensions:- Diameter- 1.062 Inch- Height- 1.00 Inch* Threads: 0.75 Inch- 16 TPI * Sold As Pack* Warranty On Deep Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High...$21.59