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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3 X 63 Inch Sleeper Extension Panels W/ 4 Amber/Clear M1 Millennium Lights
PHOENIX DESIGN
$174.99Sleeper Extension LED Lights * Made of high quality 304 stainless steel* 63 inch sleeper* 3 Inch Height Panels* 4 M-1 Millennium Lights- Amber Diodes/ Clear Lens- 2 Lights per Side* Sold as pairs* Warranty on panel against defects in workmanship &...$174.99 -
3 X 63 Inch Sleeper Extension Panels W/ 4 Amber/Amber M1 Millennium Lights
PHOENIX DESIGN
$174.99Sleeper Extension LED Lights * Made of high quality stainless steel* Amber LED/Lens* 63 Inch Sleepers* Sold As Pairs* Warranty On Panel Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$174.99 -
70 Inch Ultra Sleeper Side Window Louvers For Peterbilt
ROADWORKS
$721.99Sleeper Side Window Louvers * High Quality Sleeper Side Window Louvers* Made Of Stainless Steel * 70 Inch * Parts For Both Sides Included * Made In USA * Sold As Pair * Warranty On Sleeper Side Window Louvers Against Defects In Workmanship & Material...$721.99 -
8.5 X 5.5 Inch Chrome Plated Steel Black Rectangular Spot Mirror W/ Flat Face
GRAND GENERAL
$28.18Rectangular Flat Face Mirror Center Mount W/O Mount Bracket Chrome * High Quality Spot Mirror* Made Of Chrome-Plated Steel* 8-1/2 Inch Length x 5-1/2 Inch Width* Rectangular With Flat Face* Ball Socket On Rear* Sold Individually * Warranty On Spot...$28.18 -
Chrome 2 Inch Side Mirror Extension Kit For Kenworth And 2004-Older Peterbilts
LIFETIME NUT COVERS
$328.99Chrome Plated Billet Aluminum Bolt On Mirror Extension KitExtend your side view mirrors with this quality extension kit. If you have upgraded to seven or eight-inch exhaust stacks on your Kenworth or Peterbilt, your view from your side mirror may be...$328.99 -
Chrome Steel Rectangle Flat Spot Mirror W/ Center Mount
GRAND GENERAL
$29.21Rectangle Flat Spot Mirror * High Quality Spot Mirror* Made Of Chrome-Plated Stainless Steel * Center Mount * Rectangle* 5/16 Inch Female Adjustable Ball Stud* Made In USA* Sold Individually* Warranty On Spot Mirrors Against Defects In Workmanship &...$29.21 -
On Sale
Front Axle Air Ride Kit Without Air Springs
LOAD-SHARE SUSPENSIONS
Now: $87.68Was: $547.99Front Axle Air Ride Kit Without Air Springs * High Quality Air Ride Kit* Without Air Springs * Fits Various Models* Note-Some Models Need Shock Mount Kit* Sold Individually* Warranty On Air Ride Kits Against Defects In Workmanship & Material From Date Of...Now: $87.68Was: $547.99 -
Stainless Steel Motorized Dual Vision Heated, Lighted West Coast Mirror
LUVERNE
$414.99Stainless Steel Dual Vision Powered, Heated & Lighted West Coast MirrorMount this dual vision motorized side mirror on your cab to get maximum coverage of the passing lane and blind spots. With the simple use of a 4-way actuator, the mirrors move...$414.99 -
Moto Mirror Traditional Mirror Kit With Heat, Light Options,Harness And Switches
AFTERMARKET
$838.99Traditional West Coast Style Heated And Lighted Power Mirror Kit With Harnesses & Switch * High Quality Motorized Mirror Kit* With Heated Glass And Lighted Backs * Mirror Kit Includes:- 2 Traditional Style West Coast Moto Mirrors- 2 Wire Harnesses- 2...$838.99 -
Stainless Steel Mirror Light Boxes W/ 6 - 3/4 Inch Light Holes On Each Side
VALLEY CHROME PLATING
$85.12Valley Chrome Mirror Light Box W/ 12 - 3/4 Inch Light Holes * High Quality Mirror Light Box* Made Of Stainless Steel* 6 - 3/4 Inch Light Holes* 12 Total Light Holes* Only Fits Trucks With Cab Mounted Mirrors * Sold As Pair* Warranty On Mirror Light Boxes...$85.12 -
8 X 16 Inch West Coast Mirror Heated Mirror Glass
VELVAC
$63.23Replacement Heated Mirror Glass For 8 X 16 Inch West Coast Mirror * High Quality Replacement Mirror Glass* Heated* 8 X 16 Inch West Coast Mirror* Sold Individually* Warranty On Mirror Glass Against Defects In Workmanship & Material From Date Of...$63.23 -
On Sale
18 Inch Heated J-Hook Style Wiper Blades For Kenworth, Peterbilt, International, Mack, Western Star, Ford, GMC
AFTERMARKET
Now: $142.79Was: $203.9918 Inch Heated J-Hook Style Wiper Blades * High Quality Heated Wiper Blade* 18 Inch J-Hook Style* Heated Blade And Frame* Radiates Heat (230 Degrees Fahrenheit) Throughout The Silicone Blade And Metal Frame* Wiring Harness Will Run To Your Cab * Mounted...Now: $142.79Was: $203.99