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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Rockwood Chrome Electronic Display Module Cover For CAT Engines For Peterbilt 378, 379
ROCKWOOD
$14.99Chrome Steel Electronic Display Module Face PlateRenew the look of your electric display module with this chrome plated face plate. It is sold individually and fits various Peterbilt models with a cat engine. Rockwood takes pride in crafting all their...$14.99 -
Stainless Steel 7 Inch Round Headlight Retaining Ring
UNITED PACIFIC
$9.27SS 7 Inch Headlight Retaining Ring W/ 3 Screw Tabs * High Quality Headlight Retaining Ring* Made Of Polished 304 Stainless Steel * 7 Inch* Direct-Fit Replacement Without Trimming* Sold Individually* Warranty On Headlight Retaining Ring Against Defects In...$9.27 -
BESTfit 2.0625 Inch Mechanical 10-150 PSI Single Air Pressure Gauge W/ Black Face, Chrome Bezel For Peterbilt 359, 378, 379
BESTFIT TRUCK PARTS
$111.99BESTfit 2.0625 Inch Mechanical 10-150 PSI Single Air Pressure Gauge Fits Peterbilt 359, 378 & 379 * High Quality Mechanical Single Air Pressure Gauge* Round* 2 1/16 Inch * 10-150 PSI* Black Face With Chrome Bezel * Comes With Mounting Bracket And Light...$111.99 -
BESTfit 3.25 X 5.75 Inch Steel Blower Motor Wheel Replaces HC0400-01S, P93CAB0400-01S For Peterbilt
BESTFIT TRUCK PARTS
$35.69BESTfit Clockwise Rotating, Blower Wheel With 5/16 Inch Hub Bore Diameter & Hub InsetLooking to replace your blower wheel? Our aftermarket replacement part is exactly what you need. With a hub bore diameter of 5/16 inch and a hub inset of 5/16 inch, this...$35.69 -
BESTfit 1/2-13 & 1/2-20 X 6 Inch Air Spring Stud Replaces 27-00972 For Peterbilt Low Mount Air Leaf Suspension
BESTFIT TRUCK PARTS
$7.18BESTfit Air Spring Stud For Peterbilt Low Air Leaf Suspension * High Quality Air Spring Stud* 1/2-13 Inch And 1/2-20 Inch X 6.0 Inch Length* Low Mount Air Leaf* Sold Individually* Warranty On Air Spring Studs Against Defects In Workmanship & Material...$7.18 -
BESTfit Poly Torque Rod Bushing For Peterbilt With Rear Air Trac Suspension
BESTFIT TRUCK PARTS
$82.61BESTfit Torque Rod Bushing For Peterbilt Rear Air Trac * High Quality Torque Rod Bushing* Air Trac Models* Poly* 2.750 Inch* 4.375 Inch Center To Center* .625 Inch* Sold Individually* Warranty On Torque Rod Bushings Against Defects In Workmanship &...$82.61 -
BESTfit 6 Inch Chrome-Plated SS Wide Straight Clamp Replaces 50BJ-PB600SCP For Peterbilt 377, 378, 379, 386, 388 & 389
BESTFIT TRUCK PARTS
$96.99BESTfit Chrome Stainless Steel Wide Straight ClampEnhance your exhaust system with our top-of-the-line chrome-plated stainless steel exhaust clamp. Measuring 6 inches in diameter, this versatile clamp can be used on either the driver or passenger side of...$96.99 -
BESTfit 4 X 6 Inch 4 Degree Spring Shim
BESTFIT TRUCK PARTS
$26.51BESTfit Spring Wedge 4 Degree 4 Inch W X 6 Inch LIntroducing our Shim Wedge, designed to enhance the performance of your vehicle's steer axle spring. Measuring 4 inches in width and 6 inches in length, this shim wedge is sold individually. Crafted as an...$26.51 -
BESTfit Spring Bushing Kit For Peterbilt Air Leaf Suspension
BESTFIT TRUCK PARTS
$59.99BESTfit Front Spring Bushing Kit Fits PeterbiltThis bushing kit is designed specifically for Peterbilt air leaf suspensions, offering essential components for maintenance. The kit comprises one bushing, one spring eye sleeve, one spring bushing bolt, one...$59.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 5 Inch Tapered Y-Pipe
BESTFIT TRUCK PARTS
$368.99BESTfit 5 Inch Taper Lock Y Exhaust PipeEnhance your truck's exhaust system with this aftermarket replacement Y-pipe, designed for optimal performance and durability. Crafted from chrome-plated steel, this Y-pipe offers excellent corrosion resistance and...$368.99 -
BESTfit 80 Gallon Center Fill Fuel Tank 26 X 38 Inch For Peterbilt Old Style Manifold
BESTFIT TRUCK PARTS
$597.99BESTfit 26 Inch 80 Gallon Fuel Tank Fits Peterbilt * High Quality Fuel Tank* Made Of Aluminum* Dimensions:- Diameter - 26 Inches- Length Seam To Seam - 33 Inches- Length Over All - 38 Inches * Gallons U.S. - 80* Center Fill* Filler Neck- 16.50 Inches...$597.99 -
BESTfit 2 Inch Rubber Fuel Tank Strap Liner With Lip For 19 Inch Auxiliary Tanks
BESTFIT TRUCK PARTS
$28.96BESTfit 2 Inch Rubber Fuel Tank Strap Liner For 19 Inch Auxiliary Tanks * High Quality Fuel Tank Rubber* 2 Inch Rubber With Lip For 1 Strap* For 19 Inch Auxiliary Tank* Sold As Individually* Warranty On Fuel Tank Rubber Against Defects In Workmanship &...$28.96