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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Commercial Vehicle Catalytic Converter Security
AFTERMARKET
$167.99Security Shield For Your Catalytic Converter * High Quality Catalytic Converter* Designed With All Stainless Steel Components* Resists Corrosion Despite Being Exposed To The Harshest Of Vehicle Environments* Compatible With Many Vehicle Platforms * The...$167.99 -
5 OD X 108 Inch West Coast Turn Chrome Exhaust Stack
LINCOLN CHROME
$615.99West Coast Turn Chrome Exhaust Stack * High Quality Stack* Made Of Chrome Plated Steel* Dimensions - 5 OD- 108 Inch* West Coast Turn Style* Made In USA* Sold Individually* Warranty On Stacks Against Defects In Workmanship & Material From Date Of...$615.99 -
Aluminized Pipe, 8 Inch OD x 60 Inch
BESTFIT TRUCK PARTS
$580.998 Inch OD Aluminized Pipe, 5 Foot Length * High Quality Exhaust Pipe* Aluminized* 8 Inch OD X 5 Foot Length* Sold Individually* Warranty On Exhaust Pipes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$580.99 -
5 Inch OD Chrome Elbow 90 Degree W/ 12 Inch Top Leg & 14 Inch Lower Leg
LINCOLN CHROME
$237.99Chrome Steel Exhaust Elbow W 12 Inch Top & 12 Inch Lower Leg * High Quality Elbow* Made Of Chrome Plated Steel* 5 Inch OD* Top Leg 12 Inches / Lower Leg 14 Inches.* 90 Degree* Made In USA* Sold Individually* Warranty On Elbows Against Defects In...$237.99 -
Chrome Straight Stack, 5 Inch ID x 51 Inch
BESTFIT TRUCK PARTS
$264.9951 Inch Chrome Straight Stack With 5 Inch ID Belled Ends * High Quality Stack* Chrome-Plated * 5 Inch ID-ID Ends * 51 Inch Length* Belled On Both Ends* Sold Individually* Warranty On Stacks Against Defects In Workmanship & Material From Date Of...$264.99 -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965304NX, 2888247NX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,141.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine * High Quality Diesel Particulate Filter* Made Of 304 Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually...$2,141.99 -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 1827310PEX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,021.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine * High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...$2,021.99 -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 2871578 For Cummins ISX Engine
GLOBAL EMISSIONS
$2,029.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine * High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...$2,029.99 -
Stainless Steel Diesel Particulate Filter Replaces 290-0045, 301-7856, 10R-6088 For Caterpillar C13, C15 Engines
GLOBAL EMISSIONS
$4,114.99Stainless Steel Diesel Particulate Filter Fits Caterpillar C13 & C15 Engines * High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually * Warranty On Diesel Particulate Filter Against...$4,114.99 -
On Sale
6-5 Inch 90 Degree 20 Inch Medium Length Exhaust Elbow
LINCOLN CHROME
Now: $382.89Was: $546.996 To 5 Inch Tapered 90 Degree 20 Inch Medium Length Exhaust Elbow * Made Of High Quality Chrome-Plated Steel* 6 Inch Reduces to 5 Inch OD* 90 Degree Universal Elbow* Tapers To 5 Inch* 20 Inch Bottom Leg Length * Tapered Top For OD Stacks* Sold...Now: $382.89Was: $546.99 -
Heavy Duty Diesel Oxidation Catalyst, Replaces 2888263NX For Cummins ISX 15.0L
DAYTON / DORMAN
$4,365.99Heavy Duty Diesel Oxidation Catalyst * High Quality Diesel Oxidation Catalyst* Includes:- 1 Diesel Oxidation Filter- 2 Gaskets* Natural Color* Regular Grade * 1 Package Quantity* Piece Selling Package Quantity Uom* Standard Replacement* Not For Sale In...$4,365.99 -
Heavy Duty Diesel Oxidation Catalyst Replaces 2888250NX For Cummins ISX 15.0L
DAYTON / DORMAN
$3,472.99Heavy Duty Diesel Oxidation Catalyst * High Quality Diesel Oxidation Catalyst* Includes:- 1 Diesel Oxidation Filter- 2 Gaskets* Natural Color* Regular Grade* Not For Sale In California* Sold Individually* Warranty On Diesel Oxidation Catalyst Against...$3,472.99