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 With Red Spider Pattern 24 X 30 Inch
AFTERMARKET
$75.0624 X 30 Inch Black And Red Mud FlapThis pair of black rubber mud flaps with red edges and a spider design mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed of...$75.06 -
Black Rubber Mud Flap With Yellow Spider Pattern 24 X 30 Inch
AFTERMARKET
$76.1824 X 30 Inch Black And Yellow Mud FlapThis pair of rubber mud flaps with a yellow edge pattern mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed of a heat...$76.18 -
Black Rubber Mud Flap With Black Helix Pattern 24 X 30 Inch
AFTERMARKET
$73.7424 X 30 Inch Black And Black Mud FlapThis pair of black rubber mud flaps with a Black Helix pattern mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed of a heat...$73.74 -
Black Rubber Mud Flap With Yellow Helix Pattern 24 X 30 Inch
AFTERMARKET
$75.0624 X 30 Inch Black And Yellow Mud FlapThis pair of black rubber mud flaps with a yellow Helix pattern mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed of a...$75.06 -
Black Rubber Mud Flap With Blue Helix Pattern 24 X 30 Inch
AFTERMARKET
$77.8224 X 30 Inch Black And Blue Mud FlapThis pair of rubber mud flaps with a blue helix pattern mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed of a heat...$77.82 -
Black Rubber Mud Flap With Black X Pattern 24 X 30 Inch
AFTERMARKET
$77.2024 X 30 Inch Black Mud Flap With Black ?X? PatternThis pair of black rubber mud flaps with a black X pattern mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed...$77.20 -
Black Rubber Mud Flap With Yellow X Pattern 24 X 30 Inch
AFTERMARKET
$72.9224 X 30 Inch Black With Yellow ?X? Fiberglass Mud FlapThis pair of black rubber mud flaps with a yellow X pattern mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are...$72.92 -
Black Rubber Mud Flaps With Red X Pattern 24 X 30 Inch
AFTERMARKET
$77.2024 X 30 Inch Black Rubber With Red "X? Pattern Mud FlapThis Red X pair of black rubber mud flaps mount behind your tires to prevent small debris from flying up into the air caused by them rotating. Made by M&C Mud Flaps, they are constructed of a heat...$77.20 -
On Sale
Bottom Mounting Bracket For 4 Inch Round Ubolt
LOAD-SHARE SUSPENSIONS
Now: $28.32Was: $117.99Bottom Mounting Bracket For 4 Inch Round Ubolt * High Quality Bottom Mounting Bracket* For 4 Inch Round Ubolt* Sold Individually* Warranty On Bottom Mounting Brackets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...Now: $28.32Was: $117.99 -
Single Side Air Ride Kit W 11.5 Inch Offset For Freightliner, International, Kenworth, Mack, Peterbilt, Sterling LT, Volvo, Western Star
LOAD-SHARE SUSPENSIONS
$784.99Single Side Air Ride Kit W 11.5 Inch Offset * High Quality Air Ride Kit* With 11.5 Offset* Sold Individually* Warranty On Air Ride Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$784.99 -
Stainless Steel 14 Inch Under Frame Filler Panel Fits Between Fuel Tanks For Peterbilt
VALLEY CHROME PLATING
$654.99Wingmaster Peterbilt Blank 18 Gauge SS Lower Rear Frame Tank Filler PanelThis plain stainless steel panel fits under the rear frame of your Peterbilt, right behind the two fuel tanks. It is 14 inches tall and has a 6.5-inch deep cutout to accommodate a...$654.99 -
30 Inch SS Wicked Style Tool & Battery Box Step Protector For Peterbilt 378, 379, 388 & 389
VALLEY CHROME PLATING
$246.99Wingmaster Stainless Steel Tool And Battery Box Step Protector Fits Peterbilt * High Quality Tool And Battery Box Step Protector* Made Of 10 Gauge Stainless Steel* 30 Inch Length* Wicked Style* Tape Mount * Made In USA* Sold As Pairs* Warranty On Tool...$246.99