Peterbilt 388 Exterior Parts
Upgrade your Peterbilt 388 with our premium exterior parts selection, including day cab conversion kits, sleeper accessories, replacement windshield wipers, and cowl panels
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On Sale
Peterbilt 378, 379, 386, 388, 389 Extended Basic Flat Panel Day Cab Conversion Kit
FIBERTECH
Now: $1,880.09Was: $2,088.99Peterbilt Ext. Cab Basic Flat Panel Day Cab Conversion KitGet a comfy ride with this 6-inch fiberglass cab extension for your Peterbilt 378, 379, 386, 388, 389, or 389 Glider. It adds 4 inches of legroom and features a rugged aluminum sub-structure for...Now: $1,880.09Was: $2,088.99 -
On Sale
Peterbilt 378, 379, 386, 388, & 389 Day Cab Extended Basic Conversion Kit
FIBERTECH
Now: $1,910.69Was: $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: $1,910.69Was: $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: $1,967.39Was: $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: $1,967.39Was: $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: $1,967.39Was: $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: $1,967.39Was: $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: $1,967.39Was: $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: $1,967.39Was: $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: $1,967.39Was: $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: $1,967.39Was: $2,185.99 -
On Sale
48 Inch Flat Top Sleeper Cap For Peterbilt 377, 378, 379 Ultra Cab Models
FIBERTECH
Now: $1,525.49Was: $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: $1,525.49Was: $1,694.99 -
On Sale
Flat Top Roof Cap, 63 Inch For Peterbilt Flat Top Models Only
FIBERTECH
Now: $1,919.69Was: $2,132.9963 Inch Flat Top Replacement Roof Cap * High Quality Roof Cap* 63 Inch* Flat Top Factory* Sold Individually* Warranty On Roof Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)****...Now: $1,919.69Was: $2,132.99 -
On Sale
Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap For 63 Inch Peterbilt Ultra Cabs
FIBERTECH
Now: $1,919.69Was: $2,132.99Conversion Sleeper Cap Fits Peterbilt 377, 378, 379, 388, 389, & 389 Gliders.The Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap is perfect if you want to give your truck that sleek flat top look while keeping your ultra cab comfortable. This sleeper...Now: $1,919.69Was: $2,132.99 -
On Sale
Ultra Cab Deluxe Day Cab Conversion Kit For Peterbilt
FIBERTECH
Now: $1,443.59Was: $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: $1,443.59Was: $1,603.99 -
On Sale
Flat Top Deluxe Day Cab Conversion Kit For Peterbilt Unibilt
FIBERTECH
Now: $1,562.39Was: $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: $1,562.39Was: $1,735.99