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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Watermelon Style W/ Chrome Die Cast Housing & SS Bezel - Amber
GRAND GENERAL
$103.99Cab Marker Light W/ Chrome Plastic Housing & Stainless Steel Bezel * High Quality Cab Light* Watermelon Style Lens* Amber Led* Incandescent * Chrome Die Cast Housing * With Stainless Steel Bezel * Sold Individually* Warranty On Cab Lights Against Defects...$103.99 -
Chrome Plated Billet Aluminum Sleeper Light Attachment Plate - 4 Hole
LIFETIME NUT COVERS
$116.99Chrome Plated Billet Aluminum Sleeper Light Attachment Plate- W/ 4 Holes By Lifetime Nut Covers * High Quality Sleeper Light Attachment Plate* Made Of Chrome Billet Aluminum* Replaces The Light In The Rear Of The Sleeper* 4 Hole* Uses 3/4 Inch Round...$116.99 -
Chrome Sleeper Bunk Light Attachment Plate - 3 Hole
LIFETIME NUT COVERS
$120.99Rear Sleeper Light Attachment Plate By Lifetime Nut CoversThe Sleeper Bunk Light Adapter is a versatile solution that enables you to easily replace the lights on the back of your sleeper with any three 3/4 inch round LED lights of your choice. Upgrade...$120.99 -
Amber Grakon 2000 Cab Light Lens 9.15 X 3.64 X 2.34 Inch
OPP - ORIGINAL PARTS PROGRAM
$18.89Grakon 2000 Replacement Amber Lens * High Quality Replacement Cab Light Lens* Dimensions- 9.15 Inch Length- 3.64 Inch Width- 2.34 Inch Thickness* Amber Lens* Sold Individually* Warranty On Replacement Cab Light Lens Against Defects In Workmanship &...$18.89 -
SS Fender Shields W/ 6 - 2 Inch Amber LED Lights For Peterbilt 379 & 378
ROADWORKS
$306.99Stainless Steel Fender Shield Stainless Steel For Peterbilt 379 & 378 W/ 6 - 2 Inch Round LED Lights * High Quality Fender Shield* Made Of Stainless Steel* Fits Peterbilt Models Listed In Fitment Tab With Dual Square Headlights* 6?2 Inch Round...$306.99 -
6.5 X 4.17 Inch Rectangular Halogen Headlight W/ H4 Bulb
GRAND GENERAL
$54.28Rectangular Halogen Headlight W/ H4 Bulb - Without Adapter * High Quality Headlight* Glass Lens* Dimensions:- 6.5 Inch Width - 4.17 Inch Height* With H4 Halogen Bulb* 55/60 Watt* Rectangular * Multi-Surface Aluminum Reflector Design* Without Adapter*...$54.28 -
7 Inch Round LED Headlamp With Complex Reflector Optics
OPP - ORIGINAL PARTS PROGRAM
$319.99Headlamp With Complex Reflector Optics Fits Peterbilt * Made Of High Quality Poly Carbonate (Lens) And Aluminum (Housing) * 7 Inch LED* Complex Reflector Optics* Mealized Reflector* Lumens Output: Raw: 1,350 Lumens; Effective: 500 Lumens (Low) Raw: 1,350...$319.99 -
5 X 7 Inch 2 Diode Hi / Low Beam LED Headlight W/ Complex Reflector Lens
OPP - ORIGINAL PARTS PROGRAM
$307.99Single Rectangular 600 Volt Headlamp W/ Aluminum Housing * High Quality Light* Lumens Output 1,350* 5 Inch X 7 Inch* When Properly Mounted, Exceeds FMVSS-108 And CMVSS-108 DOT Requirements For Low Beam And High Beam Performance* Excellent Option For...$307.99 -
5 X 7.5 Inch Single Rectangular Headlight Assembly W/ Bucket
AFTERMARKET
$144.99Headlight Assembly For Peterbilt Pod Style Headlights * High Quality Headlight Assembly* Rectangular - 7.5 Inch x 5 Inch* Replacement Head Lamp Number 29-160604* Sold Individually* Made In USA* Warranty On Headlight Assembly Against Defects In...$144.99 -
Philips 7 Inch Round Halogen Headlight
PHILIPS
$32.63Large Round Halogen Headlight * High Quality Large Round Halogen Headlight* 7 Inches In Diameter* Easy Installation As A Direct Replacement Bulb* Clear Lens / White Light* Hi-Lo Beam Function* 12V operation* DOT COMPLIANT* Sold Individually*** High...$32.63 -
Front Axle Bottom Shock Mounting
LOAD-SHARE SUSPENSIONS
$289.99Front Axle Air Ride Kit * High Quality Air Ride Kit* Sold Individually* Warranty On Axle Air Ride Kit Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***$289.99 -
3/8 MP X 1/2 Air Brake Fitting For Rubber Hose
AFTERMARKET
$16.31Air Brake Fitting For Rubber Hose * High Quality Hose End* Sold Individually* Warranty On Hose End Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***$16.31