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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On Sale
SS Under Frame Light Bracket W/ Single Watermelon Light - Amber LED / Amber Lens
SHIFT PRODUCTS
Now: $70.25Was: $100.361 Piece Under Frame Light Bracket W/ Amber Watermelon Light * High Quality Light Bracket* Made Of 304 Grade 16 Stainless Steel* (1) Standard Watermelon LED* Amber LED/Amber Lens* Our Under Frame Light Brackets Use A Clamp-Style Installation On The Frame*...Now: $70.25Was: $100.36 -
SS Under Frame Light Bracket W/ Single GLO Watermelon Light - Amber LED / Clear Lens
SHIFT PRODUCTS
$100.361 Piece Under Frame Light Bracket W/ Amber GLO Watermelon Light * High Quality Light Bracket* Made Of 304 Grade 16 Stainless Steel* (1) Glo Watermelon LED* Amber LED/Clear Lens* Our Under Frame Light Brackets Use A Clamp-Style Installation On The Frame*...$100.36 -
SS Under Frame Light Bracket W/ Single GLO Watermelon Light - Amber LED / Amber Lens
SHIFT PRODUCTS
$100.361 Piece Under Frame Light Bracket W/ Amber GLO Watermelon Light * High Quality Light Bracket* Made Of 304 Grade 16 Stainless Steel* (1) Glo Watermelon LED* Amber LED / Amber Lens* Our Under Frame Light Brackets Use A Clamp-Style Installation On The...$100.36 -
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 -
4 Pack Of 4 X 6 Inch LED Headlights - 2 High Beam, 2 Low Beam 670 Lumen With H4 Extension Plug
TRUX ACCESSORIES
$587.992 High Beam & 2 Low Beam 670 Lumen Headlights With Black Aluminum Diecast HousingFit your truck with a full set of headlights with these of 4 x 6 inch LEDs with H4 extension plugs. The set includes 2 high beam and 2 low beam headlights with clear damage...$587.99 -
SS Fender Shields W/ 6 - 2 Inch Amber LED Lights For Peterbilt 379 & 378
ROADWORKS
$322.99Stainless 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...$322.99 -
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 -
4 X 6 Inch 2 Diode LED Headlight Low Beam With Black Aluminum Housing
TRUX ACCESSORIES
$158.89670 Lumen LED Low Beam Headlight * High Quality Headlight* Polycarbonate* Dimensions- 6.12 Inch Length- 3.51 Inch Width- 4.15 Inch Height* 2 Diodes* Aluminum Die Cast Back Housing* 1700 Raw Lumens- 670 Effective Lumens- 9 Watts* 9-24 Operating Voltage* 1...$158.89 -
4 X 6 Inch 2 Diode LED Headlight High Beam With Black Aluminum Housing
TRUX ACCESSORIES
$158.89670 Lumen LED High Beam Headlight * High Quality Headlight* 4 Inch X 6 Inch LED Beam * Aluminum Diecast Back Housing* Polycarbonate Lens* Dimensions- 6.12 Inch Length- 3.51 Inch Width- 4.15 Inch Height* 2 Diodes* 1700 Raw Lumens- 670 Effective Lumens- 9...$158.89 -
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