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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Stainless Steel L Bracket For Mirrors
UNITED PACIFIC
$6.21Polished 304 Stainless Steel L Bracket Light MountEnhance your vehicle's lighting setup with our 12 Gauge Polished 304 Stainless Steel L Bracket. Crafted for durability and style, this bracket measures 3-1/4 inches by 1-1/2 inches by 1-3/16 inches wide...$6.21 -
BESTfit Washer Reservoir W/ Cap & Pump Replaces OE N5355001
BESTFIT TRUCK PARTS
$89.75BESTfit Washer Reservoir W/ Cap & Pump Fits Paccar W Cummins, Caterpillar Engine W/ BEHR Cooking ModuleEnhance your vehicle's washer system with our Washer Reservoir, complete with a cap and washer pump for added convenience. Designed as an aftermarket...$89.75 -
On Sale
BESTfit Aluminum 135 Gallon Hydraulic Split Tank, 26 X 66 Inch OAL , Passenger Side For Peterbilt
BESTFIT TRUCK PARTS
Now: $1,028.49Was: $1,209.99BESTfit Peterbilt Split Fuel Hydraulic TankOpt for efficiency with our Aluminum Split Tank ? an aftermarket replacement part, not OEM ? designed for dual. Featuring a practical Sight Glass and Vented Filler Cap, this tank ensures user-friendly operation...Now: $1,028.49Was: $1,209.99 -
BESTfit 430 Stainless Steel Hood Latch Guard For Peterbilt 377, 379 Short Hood
BESTFIT TRUCK PARTS
$16.41BESTfit 430 Stainless Steel Hood Latch Guard Fits Peterbilt 377 & 379 Short Hood * High Quality Hood Latch Guard* Made Stainless Steel* Sold Individually* Made In USA*Warranty On Hood Latch Guard Against Defects In Workmanship & Material From Date Of...$16.41 -
BESTfit 2.0625 Inch Fuel Level Gauge W/ Black Face, Chrome Bezel For Peterbilt 359, 378, 379
BESTFIT TRUCK PARTS
$92.97BESTfit 2.0625 Inch Fuel Level Gauge Fits Peterbilt 359, 378 & 379 * High Quality Fuel Level Gauge* 2-1/16 Inch * Compatible With Fuel Level Sender 240-33 OHMS * Black Face With Chrome Bezels * Comes With Mounting Bracket And Light Socket With Pigtail*...$92.97 -
BESTfit 3.5 Inch Diameter X 4 Inch Type A Turbo/Manifold Outlet For 7.3L Powerstroke Engines
BESTFIT TRUCK PARTS
$21.51BESTfit 3.5 X 4 Inch Type A Turbo Manifold Outlet With 4.25 Inch Flange Fits 7.3L Powerstroke EnginesOur Turbo Outlet is engineered with durable aluminized steel, offering resilience against rust and corrosion. With a length of 4 inches, an outer...$21.51 -
On Sale
BESTfit 75 Gallon 24.5 Inch Diameter Center Fill Aluminum Hydraulic Tank Kit With Filler Breather Cap, Strainer
BESTFIT TRUCK PARTS
Now: $849.99Was: $999.99BESTfit Hydraulic Tank Kit With Independent Vent On Top, Sight Level Gauge & Temperature IndicatorUpgrade your hydraulic system with our cutting-edge Hydraulic Tank Kit. Crafted from durable Aluminum, this aftermarket replacement part, not OEM, features...Now: $849.99Was: $999.99 -
BESTfit Steel Spring Hanger Replaces 01-46785M001 & 01-49563M001 For Peterbilt Low Air Leaf Suspension
BESTFIT TRUCK PARTS
$614.99BESTfit Steel Spring Hanger Fits Peterbilt Low Air Leaf Suspension * High Quality Spring Hanger* Cast Steel* Low Mount Air Leaf* Front Of Rear* 3.930 Inch Center To Center* 3.143 Inch* 0.645 Inch* 2.623 Inch* 0.500 Inch* 3.790 Inch* Sold Individually*...$614.99 -
BESTfit 3/4 X 4 X 10.25 Inch U-Bolt Kit For Peterbilt
BESTFIT TRUCK PARTS
$39.77BESTfit U Bolt Kit - Replaces 15983092, 15983095, 15983097, 453895C1, 465916C1, 465916C91 & 201375100 * High Quality U Bolt Kit* U Bolt Type Semi-Round Bend* Grade 8* U Bolt Diameter 3/4 Inch* Width 4.000 Inch* Length 10.250 Inch* Sold As Kit* Warranty...$39.77 -
BESTfit 3/4 X 4 X 6.75 Inch Square U-Bolt Kit For Peterbilt Rear Air Leaf Suspension
BESTFIT TRUCK PARTS
$34.87BESTfit Square U-Bolt Kit Fits Peterbilt Rear Air Leaf - Includes 4 Washers & 4 Deep Nuts * High Quality U Bolt Kit* Square U-Bolt* 3/4 X 4 X 6.75 Inch* Kit Includes:- 2 U-Bolts- 4 - 3/4 Inch Washers- 4 - 3/4 Inch Deep Nuts* Sold As Kit* Warranty On U...$34.87 -
BESTfit 6.32 Inch OAL X 1.9 Inch Wide Steel Side Bar Replaces B2-1007 For Peterbilt COE & Conventional
BESTFIT TRUCK PARTS
$49.36BESTfit 4 Inch Center To Center Side Bar With 1 Inch Pin Hole Fits Peterbilt COE & Conventional 1982-Current * High Quality Side Bar* 6.32 Inch Overall Length* 1.9 Inch Width* 1 Inch Pin Hole* 4 Inch Center To Center* 1.262 Inch Thick* Sold Individually*...$49.36 -
BESTfit AC Evaporator 6.75 X 8.75 X 2.875 Inch For Peterbilt 357, 377, 378, 379 & 385
BESTFIT TRUCK PARTS
$139.99BESTfit AC Evaporator Fits Peterbilt * High Quality Evaporator* 6.75 Inch X 8.75 Inch X 2.875 Inch* Sold Individually* Warranty On Evaporators Against Defects In Workmanship & Material From Date Of Purchase** Please Verify OE Numbers, Core Dimensions,...$139.99