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
Ultra Cab To Flat Top Conversion Roof Cap, 36 Inch For Peterbilt 378, 379, 388, 389
FIBERTECH
Now: $1,026.79Was: $1,207.9936 Inch Ultra Cab Flat Top Roof Cap With Aluminum ReinforcementThe 36-inch Ultra Flat Top Sleeper Roof Cap enhances the look of your Ultra Flat Top Conversion while providing comfort. It features bonded aluminum reinforcement for easy headliner...Now: $1,026.79Was: $1,207.99 -
On Sale
Ultra Cab Deluxe Day Cab Conversion Kit For Peterbilt
FIBERTECH
Now: $1,363.39Was: $1,603.99Ultra Cab Deluxe Day Cab Conversions Kit Fits Peterbilt * High Quality Conversion Kit* Made Of Fiberglass* Comes Complete with Bonded, Internal Aluminum Bracing and Mounting Hardware* Kit Includes: - One-Piece Fiberglass Panel- Bonded 1 X 2 Inch Aluminum...Now: $1,363.39Was: $1,603.99 -
On Sale
Flat Top Deluxe Day Cab Conversion Kit For Peterbilt Unibilt
FIBERTECH
Now: $1,475.59Was: $1,735.99Flat Top Deluxe Day Cab Conversions Kit Fits PeterbiltThe Peterbilt Deluxe Ultra Cab Flat Panel Day Cab Kit enhances your truck with a 3-Piece 6-inch Cab Extension for added space and comfort. It has bonded Aluminum Bracing for enhanced durability and...Now: $1,475.59Was: $1,735.99 -
On Sale
4 Inch S.S. 1-Piece Cab/Cowl Panels W/ 42 - 3/4 Inch Amber/Clear LEDs For Peterbilt 378, 379
PHOENIX DESIGN
Now: $783.89Was: $870.994 Inch S.S. 1-Piece Cab & Cowl Panels W/ 42 - 3/4 Inch Amber LED Clear Lens Lights Fits Peterbilt 378 & 379 * High Quality Cab/Cowl Panels * Made Of 430 Stainless Steel* 21 - 3/4 Inch Lights Per Side* Amber LED/Clear Lens* 6 Inch Spacing* 3 Inch* Sold As...Now: $783.89Was: $870.99 -
On Sale
4 Inch S.S. 1-Piece Cab/Cowl Panels W/ 42 - 3/4 Inch Amber/Amber LEDs For Peterbilt 378, 379
PHOENIX DESIGN
Now: $783.89Was: $870.994 Inch S.S. 1-Piece Cab & Cowl Panels W/ 42 - 3/4 Inch Amber LED Amber Lens Lights Fits Peterbilt 378 & 379 * High Quality Cab/Cowl Panels * Made Of 430 Stainless Steel* 21 - 3/4 Inch Lights Per Side* Amber LED/Amber Lens* 6 Inch Spacing* 3 Inch* Sold As...Now: $783.89Was: $870.99 -
On Sale
6.5 Inch S.S. 1-Piece Cab/Cowl Panels W/ 20 P1 Amber/Smoked LEDs For Peterbilt 378, 379
PHOENIX DESIGN
Now: $848.69Was: $942.996.5 Inch S.S. 1-Piece Cab & Cowl Panels W/ 20 P1 Amber LED Smoked Lens Lights Fits Peterbilt 378 & 379 * High Quality Cab/Cowl Panels * Made Of 430 Stainless Steel* 10 P1 Lights Per Side* Amber LED/Smoked Lens* 8 Inch Spacing * Sold As Pair* Made In USA*...Now: $848.69Was: $942.99 -
On Sale
6.5 Inch S.S. 1-Piece Cab/Cowl Panels W/ 20 P1 Amber/Clear LEDs For Peterbilt 378, 379
PHOENIX DESIGN
Now: $804.59Was: $893.996.5 Inch S.S. 1-Piece Cab & Cowl Panels W/ 20 P1 Amber LED Clear Lens Lights Fits Peterbilt 378 & 379 * High Quality Cab/Cowl Panels * Made Of 430 Stainless Steel* 10 P1 Lights Per Side* Amber LED/Clear Lens* 8 Inch Spacing * Sold As Pair* Made In USA*...Now: $804.59Was: $893.99 -
On Sale
6.5 Inch S.S. 1-Piece Cab/Cowl Panels W/ 20 P1 Amber/Amber LEDs For Peterbilt 378, 379
PHOENIX DESIGN
Now: $804.59Was: $893.996.5 Inch S.S. 1-Piece Cab & Cowl Panels W/ 20 P1 Amber LED Amber Lens Lights Fits Peterbilt 378 & 379 * High Quality Cab/Cowl Panels * Made Of 430 Stainless Steel* 10 P1 Lights Per Side* Amber LED/Amber Lens* 8 Inch Spacing * Sold As Pair* Made In USA*...Now: $804.59Was: $893.99 -
On Sale
3 Inch Stainless Cab-Cowl & Sleeper Panels W/ 38 - 2 Inch Round Amber/Amber Lights For Peterbilt 378, 379
PHOENIX DESIGN
Now: $1,330.19Was: $1,477.99Standard Cab Bar, Wide Cowl Panel & 63/72 Inch Sleeper Panels W/ Extenders Fit Peterbilt 378 & 379 * High Quality Cab/Cowl Sleeper Panels* Made Of 430 Stainless Steel * Standard Cab Panels- 43.125 X 3 Inch Driver Side Mounts Below Cab- 43.125 X 3 Inch...Now: $1,330.19Was: $1,477.99 -
On Sale
3 In. Extd Cab Panels W/ 38 - 3/4 Inch Amber/Clear Lights For Peterbilt 378/379 W/ 70/78 In. Sleeper No Extenders
PHOENIX DESIGN
Now: $830.69Was: $922.99Cab Panels W/ 38 - 3/4 Inch Amber/Clear Lights Fits Peterbilt 378/379 W/ 70/78 In. Sleeper, Std End Caps * High Quality Cab/Sleeper Panel* Made Of 430 Stainless Steel* Includes Cab, Sleeper, And Extension Panels With Lights** Extended Cab Panels- 3 Inch...Now: $830.69Was: $922.99 -
On Sale
3 In. Extd Cab Panels W/ 34 - 2 Inch Amber/Clear Lights For Peterbilt 378/379 W/ 63/72 In. Sleeper No Extenders
PHOENIX DESIGN
Now: $984.59Was: $1,093.99Cab Panels W/ 34 - 2 Inch Amber/Clear Lights Fits Peterbilt 378/379 W/ 63/72 In. Sleeper No Extenders * High Quality Cab/Sleeper Panel* Made Of 430 Stainless Steel* Includes Cab and Sleeper Panels With Lights** Extended Cab Panels- 3 Inch Height- 2 Inch...Now: $984.59Was: $1,093.99 -
On Sale
3 In. Extd Cab Panels W/ 34 - 2 Inch Amber/Amber Lights For Peterbilt 378/379 W/ 63/72 In. Sleeper No Extenders
PHOENIX DESIGN
Now: $848.69Was: $942.99Cab Panels W/ 34 - 2 Inch Amber/Amber Lights Fits Peterbilt 378/379 W/ 63/72 In. Sleeper No Extenders * High Quality Cab/Sleeper Panel* Made Of 430 Stainless Steel* Includes Cab and Sleeper Panels With Lights** Extended Cab Panels- 3 Inch Height- 2 Inch...Now: $848.69Was: $942.99