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
6 Inch Extended Day Cab Conversion Kit W/ Fiberglass Interior, 19 X 36 Inch Rear Window For Peterbilt Ultracab
FIBERTECH
Now: $2,285.64Was: $2,688.993-Piece Day Cab Extension W/ Aluminum Bracing, Factory Rear Window Glass & Mounting Hardware * High Quality Day Cab Conversion Kit * Extended* Kit Includes: - 3-Piece 6 Inch Cab Extension- Bonded 1 Inch X 2 Inch Aluminum Bracing- Fiberglass Interior...Now: $2,285.64Was: $2,688.99 -
On Sale
Fibertech Day Cab Flat Panel Complete Conversion Kit W/ Black Interior For Peterbilt
FIBERTECH
Now: $2,334.14Was: $2,456.99Peterbilt Day Cab Flat Panel W/ Aluminum Bracing, Window Trim, Rear Window Glass, & HardwareThe Day Cab Flat Panel Complete Conversion Kit with Black Interior adds an impressive 4 inches of extra leg room to your Peterbilt 378, 379, 386, 388, 389, or 389...Now: $2,334.14Was: $2,456.99 -
On Sale
Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap For 63 Inch Peterbilt Ultra Cabs
FIBERTECH
Now: $1,813.04Was: $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: $1,813.04Was: $2,132.99 -
On Sale
Deluxe Flat Top Day Cab Conversion Kit For Peterbilt 365, 367, 378, 379, 386, 388, 389
FIBERTECH
Now: $2,282.24Was: $2,684.99Fiberglass Flat Top Day Cab Deluxe Kit * High Quality Day Cab Deluxe Kit* Includes: - 3 Piece 6 Inch Cab Extension- Bonded 1 Inch X 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch X 36 Inch Factory Rear Window Glass- Window Seal And...Now: $2,282.24Was: $2,684.99 -
On Sale
Flat Panel Day Cab Kit For Peterbilt 375, 377, 378, 379, 388, & 389
FIBERTECH
Now: $2,334.14Was: $2,456.99Flat Panel Day Cab Kit Fits Peterbilt * High Quality Flat Panel Day Cab Kit * Made Of Fiberglass* 1 Inch x 2 Inch Aluminum Bracing* Fiberglass Interior Window Trim* 19 Inch x 36 Inch Rear Window Glass* Window Seal And Hardware And Light Gray Interior...Now: $2,334.14Was: $2,456.99 -
On Sale
Peterbilt 377, 378, 379 BESTfit Fiberglass 63 Inch Roof Panel Flat For Ultracab
BESTFIT TRUCK PARTS
Now: $1,735.19Was: $1,927.99BESTfit Fiberglass Roof Panel For Ultra RoofUpgrade your vehicle with our aftermarket Roof Panel Flat, crafted from durable fiberglass. Easy to install with Huck Rivets (not included), this roof panel requires the original roof bow to be shortened for a...Now: $1,735.19Was: $1,927.99