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
Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider
FIBERTECH
Now: $1,136.44Was: $1,336.99Peterbilt Flat Panel Day Cab Conversion Kit - Flat Panel Conversion Kit - Includes: - One-piece Fiberglass Panel - Mounting Hardware - 3-Piece 6 Inch Fiberglass Cab Extension - Bonded 1 Inch X 2 Inch Aluminum...Now: $1,136.44Was: $1,336.99 -
On Sale
Fibertech Cab Flat Panel Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389
FIBERTECH
Now: $1,173.84Was: $1,380.99Peterbilt Day Cab Flat Panel Basic Conversion Kit - Flat Panel Basic Conversion Kit - Includes: - 1 Piece Fiberglass Panel - Bonded 1 Inch X 2 Inch Aluminum Bracing - Fiberglass Interior Window Trim - Mounting...Now: $1,173.84Was: $1,380.99 -
On Sale
Peterbilt 378, 379, 386, 388, 389 Basic Flat Panel Day Cab Conversion Kit
FIBERTECH
Now: $973.24Was: $1,144.99Peterbilt Ultra Cab Basic Flat Panel Day Cab Conversion KitThis Day Cab Flat Panel Basic Conversion Kit is a convenient solution for converting select Peterbilt 378, 379, 386, 388, 389 models into day cabs. This aftermarket kit includes a one-piece...Now: $973.24Was: $1,144.99 -
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
Moto Mirror Traditional Mirror Kit With Heat, Light Options,Harness And Switches
AFTERMARKET
Now: $797.04Was: $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...Now: $797.04Was: $838.99 -
On Sale
Stainless Steel 76 X 26 X 20 Inch Medium Size Wing For Standup Sleepers
VALLEY CHROME PLATING
Now: $1,139.99Was: $1,199.99Wingmaster Medium Size Wing Ideal Size For Standup Sleepers * High Quality Wing* Made Of Stainless Steel* Wing Measures - 76 Inch Length- 26 Inch Width - 20 Inch Height* Medium Size Turbo Wing For Standup Sleepers* Its Proven Efficiency Saves Truckers...Now: $1,139.99Was: $1,199.99 -
On Sale
Full Size Turbo Wing For International Standard Flat Top and Lo Roof Sleepers
VALLEY CHROME PLATING
Now: $1,282.49Was: $1,349.99900 Series Stainless Steel Flat Top Sleeper Turbo Wing"The Original Turbowing" is not only a smart investment for enhancing your truck's appearance but also for improving fuel efficiency. Owner operators have reported consistent fuel savings of 10% to...Now: $1,282.49Was: $1,349.99 -
On Sale
Stainless Steel 72 X 18 Inch Whale Tail For Standup Sleepers With Flat Top
VALLEY CHROME PLATING
Now: $800.80Was: $842.95Wingmaster Stainless Steel High Roof Whale TailTurbo wings or whale tails mount to the roof of your truck to redirect wind across the roof of your cab, then up, and over your trailer at high way speeds or in heavy weather. This can help a driver who...Now: $800.80Was: $842.95 -
On Sale
Light Gray Premium Interior Kit For Peterbilt UltraCab Conversion
FIBERTECH
Now: $952.84Was: $1,002.99Light Gray Interior Kit * High Quality Interior Kit* Light Gray* Will Not Fit Factory Day Cabs* Sold As Set* Warranty On Interior Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...Now: $952.84Was: $1,002.99 -
On Sale
48 Inch Flat Top Sleeper Cap For Peterbilt 377, 378, 379 Ultra Cab Models
FIBERTECH
Now: $1,440.74Was: $1,694.99Sleeper Roof Cap Conversion Fits Peterbilt * High Quality Roof Cap For 48 Inch Sleeper* Get That Cool Flat Top Look And Keep Your Ultra Cab Sleeper Comfort * Ready To Install, Comes Complete With Aluminum Roof Support Bracing * Sold Individually* Made In...Now: $1,440.74Was: $1,694.99 -
On Sale
Stainless Steel Mirror Brackets For Peterbilt
TWELVE GAUGE
Now: $849.99Was: $999.9912 Gauge Mirror Bracket Fits PeterbiltImprove your visual range around pipes and wide trailers with this pair of quality custom mirror brackets. Fit for Peterbilt 378 through 389 models, they use the factory mirror head and factory mounting location on...Now: $849.99Was: $999.99 -
On Sale
Paintable SS Mirror Brackets, For Peterbilt
TWELVE GAUGE
Now: $781.99Was: $919.9912 Gauge Custom Mirror Brackets Fits Peterbilt * High Quality Mirror Brackets* Made Of Brushed Stainless Steel * Paintable* Cab Mount Brackets 1 1/2 Inch Diameter Tube* Mirror Brackets Extended* Cab To Center Of Mirror Tab 22 7/8 Inch* Cab To End Of...Now: $781.99Was: $919.99