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 6 Inch Day Cab Extended Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389
FIBERTECH
Now: $2,327.39Was: $2,585.99Peterbilt Day Cab Extended Basic Conversion Kit - Extended Basic Conversion Kit - Includes: - 3-Piece 6 Inch Fiberglass Cab Extension - Bonded 1 Inch X 2 Inch Aluminum Bracing - Fiberglass Interior Window Trim -...Now: $2,327.39Was: $2,585.99 -
On Sale
Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider Flat Top
FIBERTECH
Now: $2,311.19Was: $2,567.99Peterbilt Flat Panel 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 Bracing -...Now: $2,311.19Was: $2,567.99 -
On Sale
Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider
FIBERTECH
Now: $1,203.29Was: $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: $1,203.29Was: $1,336.99 -
On Sale
8 Inch Fiberglass Low Rider Cab And Cowl Panels - Pair
FIBERTECH
Now: $309.59Was: $343.998 Inch Fiberglass Low Rider Cab And Cowl Panels - Cab And Cowl Panel - Fiberglass - 8 Inch - Sold As Pair - Warranty On Cab And Cowl Panels Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket...Now: $309.59Was: $343.99 -
On Sale
Fibertech Cab Flat Panel Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389
FIBERTECH
Now: $1,242.89Was: $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: $1,242.89Was: $1,380.99 -
8.5" x 4.5" 304 Stainless Steel Exterior Under-Sleeper Corner Bracket with Watermelon Light Hole
JML KUSTOMS
$84.99Enhance Your Peterbilt's Exterior with a Durable Under-Sleeper Corner BracketUpgrade your Peterbilt truck's exterior lighting with our 8.5-inch by 4.5-inch under-sleeper corner bracket, crafted from premium 304 stainless steel. Designed to accommodate a...$84.99 -
Peterbilt Stainless Steel Rear Ingress Handles
REALWHEELS
$177.99Peterbilt SS Rear Ingress Handles - Rear Ingress Handle - Stainless Steel - Made In USA - Sold As Pair - Aftermarket Replacement Part (Not OEM)$177.99 -
Stainless Steel Indian Feather Style Keyhole Trim For Peterbilt 2005 and Earlier
ROADWORKS
$18.99Add Custom Flair with Indian Feather Style Keyhole TrimEnhance the look of your truck with this stainless steel Indian feather style keyhole trim. Designed to add a unique, custom touch, this trim features an intricate feather design that stands out on...$18.99 -
On Sale
Day Cab Extended Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
Now: $3,500.99Was: $3,889.99Day Cab Extended Complete Conversion Kit * High Quality Extended Conversion Kit* Includes:- 3 Piece 6 Inch Fiberglass Cab Extension- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window...Now: $3,500.99Was: $3,889.99 -
On Sale
Day Cab Extended Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
Now: $3,500.99Was: $3,889.99Day Cab Extended Complete Conversion Kit * High Quality Extended Conversion Kit* Includes:- 3 Piece 6 Inch Fiberglass Cab Extension- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window...Now: $3,500.99Was: $3,889.99 -
On Sale
Day Cab Extended Complete Conversion Kit With Black Interior For Peterbilt 378, 379, 386, 388, 389 Regular Cab
FIBERTECH
Now: $3,500.99Was: $3,889.99Day Cab Extended Complete Conversion Kit * High Quality Extended Conversion Kit* Includes:- 3 Piece 6 Inch Fiberglass Cab Extension- Bonded 1 Inch x 2 Inch Aluminum Bracing- Fiberglass Interior Window Trim- 19 Inch x 36 Inch Rear Window Glass- Window...Now: $3,500.99Was: $3,889.99 -
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