Peterbilt 357/378 Exterior Parts
Maximize the performance of your Peterbilt 357/378 with our assortment of cab panels, fairings, replacement mirrors, and sleeper options
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On Sale
Peterbilt 378, 379, 386, 388, & 389 Day Cab Extended Basic Conversion Kit
FIBERTECH
Now: $1,804.54Was: $2,122.99Peterbilt 378, 379, 386, 388, & 389 Day Cab Extended Basic Conversion KitThis Day Cab Extended Basic Conversion Kit is for Peterbilt trucks and adds 4 inches of legroom with a 6-inch fiberglass extension. It has a strong aluminum sub-structure and is...Now: $1,804.54Was: $2,122.99 -
On Sale
Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
FIBERTECH
Now: $2,076.69Was: $2,185.99Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...Now: $2,076.69Was: $2,185.99 -
On Sale
Day Cab Flat Panel Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
FIBERTECH
Now: $2,076.69Was: $2,185.99Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...Now: $2,076.69Was: $2,185.99 -
On Sale
Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
FIBERTECH
Now: $2,076.69Was: $2,185.99Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...Now: $2,076.69Was: $2,185.99 -
On Sale
Day Cab Flat Panel Complete Conversion Kit With Black Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
FIBERTECH
Now: $2,076.69Was: $2,185.99Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...Now: $2,076.69Was: $2,185.99 -
On Sale
Peterbilt 378, 379, 386, 388, & 389 Day Cab Flat Panel Basic Conversion Kit
FIBERTECH
Now: $999.59Was: $1,175.99Peterbilt 378, 379, 386, 388 & 389 Day Cab Flat Panel Basic Conversion KitThis Day Cab Flat Panel Basic Conversion Kit allows you to convert the sleeper cab of your Peterbilt truck into a day cab. It's compatible with models 378, 379, 386, 388, 389, and...Now: $999.59Was: $1,175.99 -
On Sale
3 Inch Wide Sleeper Panel W/ 7 Amber/Clear M1 LEDs For Peterbilt 379 W/ 72 Inch Sleeper
PANELITE
Now: $697.84Was: $820.99Sleeper Panel W/ 7 Amber/Clear M1 LEDs Fits Peterbilt 379 W/ 72 Inch Sleeper * High Quality Sleeper Panel* 3 Inches Wide * 72 Inches Long* With 7 Amber/Clear M1 Style Lights Per Side * Sold Individually ** Warranty On Sleeper Panel Against Defects In...Now: $697.84Was: $820.99 -
On Sale
63 Inch Fiberglass Sleeper Panels 8 Inch Tall - Pair
FIBERTECH
Now: $262.64Was: $308.998 Inch Tall Fiberglass Sleeper Panels For 63 Inch Sleeper - Sleeper Panel - Fiberglass - 8 Inch - For 63 Inch Sleeper - Sold As Pair - Warranty On Sleeper Panels Against Defects In Workmanship & Material From Date Of...Now: $262.64Was: $308.99Qty in Cart: 0Quantity:Price:Now: $262.64Was: $308.99Subtotal: -
On Sale
5 Inch Aluminum Chop Top Window Panels, Door Mounted For Peterbilt 357, 378, 379
TRUX ACCESSORIES
Now: $55.60Was: $69.505 Inch Door-Mounted Paintable Aluminum Chop Top Window Panel Fits Peterbilt 357, 378 & 379 * High Quality Door Chops* Upper Door Trim* Made Of Aluminum* 5 Inch Drop* Door Mounted * Paintable * Sold As Pair* Warranty On Chop Top Window Panel Against...Now: $55.60Was: $69.50 -
On Sale
6 Wire Wiper Switch For Peterbilt 300 Series
BESTFIT TRUCK PARTS
Now: $81.69Was: $85.996 Wire Wiper Switch For Peterbilt * High Quality Wiper Switch* 4 And 2 Pin Connection* 6 Wire* 2 Plug* Includes Knob* Sold Individually* Warranty On Turn Signal Switches Against Defects In Workmanship & Material From Date Of Purchase** Please Verify OE...Now: $81.69Was: $85.99 -
On Sale
Stainless Steel Mirror Turn Signal Bracket W/ Holes To Mount A Single Watermelon Light
SHIFT PRODUCTS
Now: $113.04Was: $132.99SS Mirror Turn Signal Bracket With Holes To Mount Single Watermelon Light * High Quality Mirror Turn Signal Bracket* Made Of Stainless Steel* Bracket With Holes To Mount* With Holes To Mount A Single Watermelon Light* Sold As Pair* Warranty On Mirror...Now: $113.04Was: $132.99 -
On Sale
Bulldog HD Cab Shock Absorber For Peterbilt 357, 367, 375, 377, 378, 379, 386, 389
BULLDOG HD SHOCKS
Now: $56.04Was: $58.99Bulldog Heavy Duty Cab Shock Absorber Replaces 29-02455, 654782, R71-6007Bulldog HD Cab Shock Absorbers is a premium replacement part, isolating the cab from the frame to prevent road induced noise, vibration and harshness from reaching the driver...Now: $56.04Was: $58.99