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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25.375 Inch Torque Rod, 1-1/4 Inch Shaft Dia.
AUTOMANN USA
$205.9925.375 Inch Torque Rod W/ Side A And B- Straddle * High Quality Torque Rod* 25.375 Inch * 1-1/4 Inch Shaft Diameter* Side A And B- Straddle* Made In USA* Sold Individually* Warranty On Torque Rods Against Defects In Workmanship & Material From Date Of...$205.99 -
Frame Hanger, Passenger Side For Watson & Chalin
AUTOMANN USA
$662.99Passenger Side Frame Hanger, Replaces 92036920Z & 92039720Z * High Quality Frame Hanger* Passenger Side* Made In USA* Sold Individually* Warranty On Frame Hangers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$662.99 -
Frame Hanger, Driver Side For Watson & Chalin
AUTOMANN USA
$662.99Driver Side Frame Hanger, Replaces 90236910Z & 92039710Z * High Quality Frame Hanger* Driver Side* Made In USA* Sold Individually* Warranty On Frame Hangers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$662.99 -
7/16 Inch HD Lock Washer
AUTOMANN USA
$1.01HD Lock Washer For 7/16 Inch Bolt * High Quality Lock Washer* 5/32 Inch Width* 1/8 Inch Thickness* 7/16 Inch Size* Sold Individually * Warranty On Lock Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1.01 -
5/16 HD Lock Washer
AUTOMANN USA
$1.01HD Lock Washer For 5/16 Inch Bolt * High Quality Lock Washer* 1/8 Inch Width* 3/32 Inch Thickness* 5/16 Inch Size* Sold Individually * Warranty On Lock Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1.01 -
5/8 Inch HD Lock Washer
AUTOMANN USA
$2.02HD Lock Washer For 5/8 Inch Bolt * High Quality Lock Washer* 7/32 Inch Width* 3/16 Inch Thickness* 5/8 Inch Size* Sold Individually * Warranty On Lock Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$2.02 -
1 Inch HD Lock Washer
AUTOMANN USA
$1.01HD Lock Washer For 1 Inch Bolt * High Quality Lock Washer* 5/16 Inch Width* 5/16 Inch Thickness* 1 Inch Size* Sold Individually * Warranty On Lock Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1.01 -
3/4 Inch HD Lock Washer
AUTOMANN USA
$1.01HD Lock Washer For 3/4 Inch Bolt * High Quality Lock Washer* 1/4 Inch Width* 7/32 Inch Thickness* 3/4 Inch Size* Sold Individually * Warranty On Lock Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1.01 -
12 MM Flange Lock Nut W/ 1.25 Pitch
AUTOMANN USA
$2.0312 MM Flange Lock Nut * High Quality Flanged Lock Nut* 1.25 Pitch* Sold Individually * Warranty On Flanged Lock Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** This Item Is...$2.03 -
Wear Pad Washer - 4.50 OD X 2.12 ID X 0.156 Inch Thick
AUTOMANN USA
$14.99Wear Pad Washer Replaces E9441, E9441A, 1160519B301 * High Quality Wear Pad Washer* 4.50 Inch O.D.* 2.12 Inch I.D.* 0.156 Inch Thickness* Plastic/Nylon* Sold Individually * Warranty On Wear Pad Washers Against Defects In Workmanship & Material From Date...$14.99 -
Center Bolt Sleeve Lengthener, 7/16 ID X 5/8 OD X 0.196 Inch
AUTOMANN USA
$1.017/16 Inch ID X 5/8 Inch OD X 0.196 Inch Leaf Spring Center Bolt Lengthener SleeveUse this bolt sleeve to lengthen your leaf spring center bolt head by an extra 0.196 inch when using tapered shims. Leaf spring center bolt lengthener sleeves are the...$1.01 -
Bolt Kit W/ 8 Washers And 8 Nuts For Hendrickson Rear AR 340/380 Series
AUTOMANN USA
$121.99Bolt Kit Replaces 56659-1 * High Quality Bolt Kit* Set Of 8* 8 Bolts* 8 Nuts* 16 Washers* Used On Hendrickson Rear AR 340/380 Series* Sold Individually * Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High...$121.99